26th week of 2021 patent applcation highlights part 32 |
Patent application number | Title | Published |
20210198933 | DRIVE ARRANGEMENT FOR A FLAP OF A MOTOR VEHICLE - The disclosure relates to a drive arrangement for a flap of a motor vehicle, comprising a linear drive for producing drive movements and comprising a transmission arrangement, which is coupled to said linear drive, for transmitting the drive movements, a compensating arrangement being provided which couples two drive elements of the drive arrangement to each other in terms of drive, and, when a limit load between the two drive elements is exceeded, the compensating arrangement permitting a guided compensating movement between the two drive elements. It is proposed that the transmission arrangement provides the compensating arrangement. | 2021-07-01 |
20210198934 | Aerial Firefighting Dump Gate System - A gatebox system for delivering fire retardant fluid from a firefighting aircraft. A first and second gate opening are formed through a lower portion of a gatebox. The gates are hingedly connected along edges of the openings. One or two drive shafts in the gatebox are rotatable in gates-closing and gates-opening directions. Crank arms are fixed to the drive shafts and coupled to the gates by connecting links, which define an over-center geometry while the gates are at a closed position, such that weight of the fluid on the first gate induces torque on the drive shaft in the gates-closing direction. Rotation of the drive shafts in the gates-opening direction enables control of the fluid flow from the hopper according to an angular position of the drive shaft. | 2021-07-01 |
20210198935 | VEHICLE WITH A DEVICE FOR MANUALLY AND/OR ELECTROMOTIVELY ADJUSTING A VEHICLE DOOR RELATIVE TO A VEHICLE BODY - A vehicle door arranged on a vehicle body and a device for manually and/or electromotively adjusting the vehicle door relative to the vehicle body including an output element moved on adjustment of the vehicle door and a switching device configured to switch between a coupling state and a freewheeling state, and a control device. The switching device configured to couple the output element to a further assembly in the coupling state and to disengage it from the further assembly in the freewheeling state such that the output element is movable with respect to the further assembly. At least one sensor device configured to detect a signal indicating an occupant's wish to get out of the vehicle, and configured to evaluate the signal for detecting an exit wish and actuate the switching device to switch into the coupling state. | 2021-07-01 |
20210198936 | A COMPACT CABINET - The present invention relates to an innovative system and method of design in compact archive cabinets used to store valuable inventory, pieces of art, and other materials, items and documents that need preservation in museum, library or office-like environments, that provides passive humidity and fire control inside, which employs special dual-purpose insulating frames ( | 2021-07-01 |
20210198937 | WATER MANAGEMENT SYSTEMS FOR FENESTRATION PRODUCTS - A flashing includes a first edge, a second edge opposite from the first edge, a first surface, and a second surface on an opposite side of the flashing from the first surface. The first surface and the second surface extend between the first edge and the second edge. The first surface includes a hydrophobic region and a hydrophilic region. | 2021-07-01 |
20210198938 | GLAZING SUPPORT SYSTEM - A glazing assembly comprises a glazing support system for attaching a glazing unit to a frame element. The glazing support system comprises: a tension member for extending around a major portion of the periphery of the glazing unit | 2021-07-01 |
20210198939 | SEALS FOR ELECTROCHROMIC WINDOWS - Embodiments herein relate to methods and apparatus for preventing and mitigating the ingress of moisture into an interior region of an IGU. Various techniques are disclosed including, for example, the use of a strain relief structure around wires passing through a secondary seal, improved materials for coating the wires, and additional/improved layers for bonding the secondary seal to tape provided around a spacer. | 2021-07-01 |
20210198940 | CABINET DOOR ASSEMBLY AND MANUFACTURING THEREOF - A cabinet door having a first member with a first recess disposed along a top side of the center panel between a first stile and a second stile, a second recess disposed along a bottom side of the center panel between the first stile and the second stile, and a first veneer having a longitudinally extending grain pattern; a second member with a second veneer having a longitudinally extending grain pattern, and a first rabbet; and a third member with a third veneer having a longitudinally extending grain pattern; and a second rabbet; where the second member fits into the first recess, the third member fits into the second recess, and the longitudinally extending grain pattern of the second veneer is parallel to the longitudinally extending grain pattern of the third veneer and perpendicular to the longitudinally extending grain pattern of the first veneer. | 2021-07-01 |
20210198941 | METHODS AND APPARATUS TO REDUCE NOISE IN MOTOR ASSEMBLIES - Example methods and apparatus can be used to reduce noise in motor assemblies, such as those used in architectural coverings. An example apparatus includes a first driver configured to be coupled to and rotated by an output shaft of a motor, a second driver, and a plurality of vibration-absorbers disposed between the first driver and the second driver. The second driver is configured to be coupled to a rotating member to transfer rotational motion from the first driver to the rotating member via the vibration-absorbers. | 2021-07-01 |
20210198942 | DRIVING DEVICE FOR ELECTRIC-DRIVEN ROLLER BLIND AND ELECTRIC-DRIVEN ROLLER BLIND THEREOF - A driving device for an electric-driven roller blind and an electric-driven roller blind thereof are provided which comprise a control module and a power module, and further comprise a mounting seat, a motor and a deceleration transmission assembly; the mounting seat comprises a horizontal part and a vertical part; the control module, the power module and the motor are all contained within the horizontal part of the mounting seat; the deceleration transmission assembly is placed within the vertical part of the mounting seat; the upper end of the deceleration transmission assembly is connected with the output end of the motor; the present invention is simple in structure, with self-locking function, convenience in assembly, low cost, capability of consolidating motors of different diameter types, and suitable for fitting windows of various sizes. | 2021-07-01 |
20210198943 | Box Rail Backup and Method - A ladder having a first box rail having a first side, and a second side extending perpendicularly from the first side. The first side having a first hole. The second side having a first hole in alignment with the first hole of the first side. The ladder having a second box rail, at least a portion of which is in parallel and spaced relation with the first box rail. The ladder comprises a first hollow tube disposed in the first box rail in alignment with the first hole of the first side and the first hole of the third side. The ladder comprises a bracket having a first bracket hole in alignment with the first hole of the first side. The ladder comprises a first fastener extending through the first hole of the third side, the first hollow tube, the first hole of the first side and the first hole of the bracket which attaches the bracket to the first box rail. A method for using a ladder. A method for producing a ladder. | 2021-07-01 |
20210198944 | Extension Ladder with Groove Box Rails and Method - An extension ladder having a base section having a first box shaped base rail having a base side and a groove extending along the side. The extension ladder has a fly section having a first box shaped fly rail, and a follower bracket attached to the first box shaped fly rail and extending outward toward the first box shaped base rail. The groove is sized to engage the follower bracket which constrains the fly section to have limited motion relative to the base section and a left to right and front to rear directions while permitting the fly section to slide freely relative to the base section when the fly section is extended. A method for using an extension ladder. A method for producing an extension ladder. | 2021-07-01 |
20210198945 | Ladder with Box Rails Having a Collar and Method - A ladder having a right box rail having an outer web with an outer opening and an inner web with an inner opening. The ladder having a left box rail in parallel and spaced relation with the right box rail. The ladder comprises a hollow collar disposed in between the inner opening of the inner web and the outer opening of the outer web. The collar having a stem having a plurality of segments. The segments separated by slots. The ladder having a first rung attached to the right and left box rails. The first rung having a right end that extends through the outer opening, the collar and the inner opening. A method for using a ladder by a user. A method for forming a ladder. | 2021-07-01 |
20210198946 | LEVELING AND STABILIZING ACCESSORY FOR LADDERS - Described herein is an improved ladder leg extender and leveler assembly including an elongate frame member or structure which can be fixed in a flush relation to a ladder leg side rail and secured to at least two ladder rungs. Each elongate frame member includes a slidably engage elongate leg extension which engages a height adjustment member or actuator that is located on a surface of the elongate frame member. The height adjustment member operates via a spring actuated pin or rod which engages a series of pre-set slots on the elongate leg extension to adjust the height of the ladder on either side. Also, a pivoting ladder stabilizing element which is extendable. This greatly provided additional stability and security. | 2021-07-01 |
20210198947 | Ladder Anchor Apparatus - A ladder anchor apparatus for securing a ladder in place includes a pair of arms each having a straight portion and a hooked portion. Each of the arms has a pivot aperture. The pair of arms is configured to be selectively engageable within a pair of ladder holes of a pair of legs of a ladder. A hollow pivot rod is coupled to the pair of arms and extends through the pivot aperture of each arm. The pair of arms is pivotably coupled around the pivot rod. A mounting pin is slidingly engageable through the pivot rod and is configured to be inserted into the ground to secure the apparatus in place. An eye hook and a safety chain are coupled to a left arm of the pair of arms. The safety chain prevents the pair of arms from pivoting open when engaged with the eye hook. | 2021-07-01 |
20210198948 | LATERAL BOREHOLES IN AN EARTH FORMATION - A horseshoe lateral is drilled having two substantially parallel lateral sections connected with a horseshoe section. The horseshoe section may be obtained by steering a drill bit within a first plane over an in-plane angle of about 180°, and then continuing drilling along a straight path. A second lateral well system may drilled from a second borehole section, to create an additional lateral section interdigitally arranged between the previous two substantially parallel lateral sections. | 2021-07-01 |
20210198949 | DOWNHOLE TOOLS WITH TAPERED ACTUATORS HAVING REDUCED CYCLICAL TORQUE - A downhole tool includes a tool body and an actuator coupled to and selectively extendible relative to the tool body. The actuator has a working face that contacts a downhole formation, and which includes an upper portion and a lower portion. The lower portion has a tapered surface that is directed radially inwardly and axially downwardly relative to the first portion, with at least a portion of the tapered surface including an ultrahard material having a different coefficient of friction as compared to a first material of the upper portion. | 2021-07-01 |
20210198950 | Dual-speed dual - core enhanced drilling equipment - One exemplary embodiment provides a dual-speed dual-core enhanced drilling equipment which comprises an outer cylinder, a downhole power device, a large cutting head and a small cutting head, wherein the large cutting head is provided with a first centerline, a through hole arranged along the first centerline and a first diameter; the outer cylinder is sleeved outside the downhole power device and forms an annular space, and the outer cylinder directly or indirectly connects the upper drill string with the large cutting head so that the large cutting head and the downhole power device can rotate together with the upper drill string; the downhole power device is provided with a power generation section capable of generating power and a rotation output section which penetrates through the through hole to be connected with the small cutting head and provides independent power for the small cutting head, so that the small cutting head revolves around the first centerline under the driving of the upper drill string while rotating under the driving of the downhole power device. The exemplary embodiment can avoid the problem that the linear velocity of the central point of the large cutting head is zero, and is beneficial to improving the drilling speed. | 2021-07-01 |
20210198951 | REAMER BLOCK WITH CUTTER POCKET HOLDERS - A reamer includes a plurality of cutter pocket holders. The cutter pocket holders are separately manufactured and connected to a body of the reamer. The cutter pocket holders include a plurality of cutter pockets, into which cutting elements may be inserted. A radially rearward cutter pocket holder may include front-loading cutter pockets. Attachable cutter pockets may help to improve inventory management and decrease manufacturing costs of the reamer block. | 2021-07-01 |
20210198952 | EXPANDABLE CUTTING TOOL - An expandable tool includes a cutting block set. The cutting block set includes an upper cutting block and a lower cutting block, arranged longitudinally. The upper cutting block includes upper block splines having an upper block angle. The lower cutting block includes lower block splines having a lower block angle. The upper block angle is greater than the lower block angle, which directs the upper cutting block to extend radially further outward than the lower cutting block. | 2021-07-01 |
20210198953 | FLEXIBLE FRACTURING FLUID DELIVERY CONDUIT QUICK CONNECTORS - Fracturing fluid delivery systems having flexible fracturing fluid delivery conduits secured with quick connectors are provided. In one example, a fracturing system includes a wellhead assembly and a fracturing fluid conduit coupled to the wellhead assembly to route fracturing fluid to the wellhead assembly. The fracturing fluid conduit includes a flexible body defining a bore for conveying the fracturing fluid to the wellhead assembly. The fracturing fluid conduit is coupled to the wellhead assembly via an actuated connector including one or more locking members that move from an unlocked position to a locked position to secure the fracturing fluid conduit to the wellhead assembly. Additional systems, devices, and methods are also disclosed. | 2021-07-01 |
20210198954 | DEPLOYMENT TOOL AND DEPLOYMENT TOOL ASSEMBLY - A deployment tool that can be used on land, jack-up and floating drilling rigs. The tools is installed around a drillpipe tool joint making it independent of the drill string load path as well as independent of the drill pipe thread and drill pipe size. It is designed for the largest commonly used drillpipe size, so has a single outer dimeter configuration that can be adapted from the largest drillpipe to the smallest in use with simple mechanical adapters. Thus, one main tool and a set of adapters is all that is required. The tool may be used in the deployment of RCDs, for example in the landing of an RCD bearing assembly on an RCD housing, or in the deployment of tubing hangers, lining hangers, casing hangers or other or any other temporary completion tool. | 2021-07-01 |
20210198955 | Improvements In Or Relating To Well Abandonment - Apparatus ( | 2021-07-01 |
20210198956 | MULTICHANNEL COMPOSITE COILED TUBING - The present invention discloses a multichannel composite coiled tubing (CCT). The multichannel composite coiled tubing includes three inner pipes and an insulator, where the insulator is provided therein with a plurality of the inner pipes; the insulator is nested inside a sheath; a protective layer is welded outside the sheath; a compressive layer is welded outside the protective layer; a plurality of armored tubes are bonded to the outside of the compressive layer; a fiber layer is bonded to the outside of the armored tubes. In the present invention, the operation and test procedures are simple, the pressure is easy to measure, and a water injection additive can be easily selected to match different reservoirs. In addition, the coiled tubing is insulated, satisfying pressure transmission and logging through two cables. The compressive layer and the armored tube are convenient for extending the life of the tubing. | 2021-07-01 |
20210198957 | SYSTEM FOR DRILL BIT CHANGE IN A DRILLING RIG, DRILLING RIG COMPRISING SUCH A SYSTEM, AND A METHOD FOR CHANGING DRILL BITS USING SUCH A SYSTEM - A drilling rig includes an interchangeable plurality of drill pipes, wherein drill bits are arranged at an end section of an end drill pipe. The drill bit being attached to the end section by means of a threaded connection and torque being provided to the drill bit by means of a splines coupling. The drilling rig comprises a lower support device and a breaker device. The system includes a drill bit storage device arranged to hold a plurality of drill bits, a gripping arm for selective gripping of a drill bit. The gripping arm may further comprise a movement sensor, arranged to monitor movement of the gripping arm, and the system may further comprise a control unit. The control unit being arranged to receive input from the sensors and the drilling rig, and to control movement of the gripping arm, the gripping means, the drill bit storage device, and the breaker device of the drilling rig. | 2021-07-01 |
20210198958 | METHOD AND APPARATUS FOR HANDLING DRILL TUBES - A pipe handling apparatus, for handling drill tubes on a drilling platform, has an upper guide member | 2021-07-01 |
20210198959 | STOWING SUPPORT EQUIPMENT FOR A CATWALK - A pipe handling system that can include a base skid, a ramp rotationally attached to the base skid, and support equipment (e.g., a drag chain pan, or equipment skid) coupled to the ramp, wherein rotation of the ramp from a first deployed position to a first stowed position lifts the support equipment from a second deployed position to a second stowed position. A method can include rotating the ramp relative to the base skid from a first deployed position to a first stowed position, and simultaneously lifting support equipment relative to the base skid from a second deployed position to a second stowed position in response to rotating the ramp. | 2021-07-01 |
20210198960 | DRILL BIT REPLACEMENT APPARATUS - The present invention relates to a drill bit replacement apparatus for replacing a drill bit on a drilling tool, the apparatus comprising: a drill bit holder comprising one or more drill bit receptacles, each drill bit receptacle adapted to receive at least one drill bit; and a positioning means adapted to move the drill bit holder between at least one storage position and one or more replacement positions, wherein each replacement position aligns at least one drill bit receptacle with the drilling tool. | 2021-07-01 |
20210198961 | Improvements In Or Relating To Well Abandonment - An apparatus and method for anchoring a string at a well for the purpose of cutting a tubular ( | 2021-07-01 |
20210198962 | DEVICE FOR FACILITATING THE TRANSPORT OF AN APPARATUS ALONG AN UPWARD OR A DOWNWARD DIRECTED CONDUIT OR BOREHOLE | 2021-07-01 |
20210198963 | SENSOR TRANSPORTATION APPARATUS AND GUIDE DEVICE - A sensor transportation apparatus comprises at least one engagement structure to connect the sensor transportation apparatus to the sensor assembly, a pair of wheels arranged to rotate about an axis of rotation substantially perpendicular to a longitudinal axis of the sensor assembly when the transportation apparatus is connected to the sensor assembly, and an orientation structure comprising the pair of wheels and an orientation projection extending between the pair of wheels. Lateral extremities of the pair of wheels and the orientation projection together define a curve extending circumferentially around a portion of the circumference of the elongate sensor assembly. A rotational centre of the curve is offset from a central axis of the elongate sensor assembly and a rotational axis of the pair of wheels is above the central axis of the elongate sensor assembly when the sensor transportation apparatus is substantially horizontal. | 2021-07-01 |
20210198964 | DETONATION ACTIVATED WIRELINE RELEASE TOOL - A detonator activated wireline release tool is provided for use in geological well operations that enables the wireline cable to be easily released from tool string equipment upon activation of a detonator housed within the release tool. The release tool has a wireline subassembly portion that is connected to a tool string subassembly portion during assembly. It is sometimes necessary to disconnect the wireline subassembly from the tool string subassembly at a time when accessing the either is not physically possible. Such release is achieved by sending an electronic signal that detonates an explosive load which actuates a latch through an expansion chamber. The latch shifts and allows the finger flanges previously connecting the subassemblies to disengage, thus releasing the subassemblies. | 2021-07-01 |
20210198965 | WELLBORE TOOL ASSEMBLY TO OPEN COLLAPSED TUBING - Wellbore tool assembly to open collapsed tubing includes a chisel head having a first end configured to be positioned within an end of a collapsed tubing portion of a tubular member. The chisel head has a second end opposite the first end. The second end has an outer diameter smaller than an outer diameter of an uncollapsed tubing portion of the tubular member. The chisel head is configured to expand a diameter of the collapsed tubing portion responsive to a movement of the chisel head toward the collapsed tubing portion. The assembly includes a packer attached to the chisel head. The packer is configured to expand responsive to fluidic pressure and to further expand the diameter of the collapsed tubing portion. | 2021-07-01 |
20210198966 | MECHANICALLY LOCKING HYDRAULIC JAR AND METHOD - A mechanically locking hydraulic jar device includes an outer sleeve, an inner sleeve partially disposed in an inner bore of the outer sleeve, and a mechanical lock engaging the outer sleeve and the inner sleeve in a default position to axially secure the inner sleeve to the outer sleeve. Activation of the hydraulic jar disables the mechanical lock to allow axial movement of the inner sleeve relative to the outer sleeve, which generates an impact force when the inner sleeve reaches an activated position. The hydraulic jar device also includes an upward block and a downward block configured to limit the upward and downward axial movement, respectively, of the inner sleeve relative to the outer sleeve when the mechanical lock is disabled. | 2021-07-01 |
20210198967 | Improvements In Or Relating To Well Abandonment and Slot Recovery - A single trip casing cutting and pulling assembly which includes a casing spear ( | 2021-07-01 |
20210198968 | DOWNHOLE CASING PULLING TOOL - A method and apparatus for removal of tools, tubulars, casing, or other components that become stuck in a well. An anchor includes a mandrel, a carrier disposed on the mandrel and movable relative to the mandrel between an extended position and a retracted position, and an insert configured to engage an internal surface of a tubular, the insert movably disposed in the carrier as the carrier moves between the extended position and the retracted position. A method for anchoring a tool in a wellbore includes deploying the tool into the wellbore through a tubular to a first position, the tool comprising an anchor having a carrier and an insert disposed in the carrier, extending the carrier towards the tubular, and moving the insert relative to the carrier while engaging the inserts with the tubular, thereby anchoring the tool in the wellbore. | 2021-07-01 |
20210198969 | LIGHTWEIGHT FLOW MODULE - A flow control module includes an inlet hub coupled to a first flow passage having a first flow bore, a flow meter associated with the first flow bore and positioned for top-down fluid flow, a choke disposed in a second flow passage having a second flow bore, the second flow passage coupled to a distal end of the first flow passage, and an outlet hub coupled to a distal end of the second flow passage, the outlet hub facing in a different direction from the inlet hub. | 2021-07-01 |
20210198970 | TUBING HANGER ALIGNMENT DEVICE - Systems and methods for landing a tubing hanger in a wellhead and then orienting a tree (or spool, or flowline connection body) relative to the tubing hanger while landing the tree on the wellhead are provided. This alignment is accomplished without the use of either a tubing spool or a BOP stack with an orientation pin. The tubing hanger alignment devices may be used to orientate the tree as the tree is landed so that the couplings and stabs between the tree and the tubing hanger line up with each other just at the moment of landing. | 2021-07-01 |
20210198971 | WELLHEAD TORQUE RING - A wellhead assembly includes a wellhead housing; a tubing hanger, plug, back pressure valve, two-way check valve, BOP test plug, temporary abandonment plug, or other device; and a torque ring. The wellhead housing includes an inner bore. The wellhead housing has one or more mating grooves formed on an inner wall of the wellhead housing. The tubing hanger, plug, back pressure valve, two-way check valve, BOP test plug, temporary abandonment plug, or other device is positioned within the inner bore of the wellhead housing. The torque ring is positioned within a slot formed in the tubing hanger or other device. The torque ring includes a protrusion extending beyond the tubing hanger and into the mating groove. | 2021-07-01 |
20210198972 | MECHANISM FOR RETAINING AND RELEASING PUMP DOWN PLUG - An apparatus for retaining and releasing a pump down plug includes an outer housing having a recess and a shifting sleeve that contains the pump down plug and is disposed within the outer housing. The shifting sleeve is configured to slide within the outer housing. The apparatus also includes a retaining element configured to engage the pump down plug to retain the pump down plug, the retaining element being restrained from outward movement by the outer housing in a first position of the shifting sleeve, wherein sliding the shifting sleeve into a second position results in outward movement of the retaining element into the recess to release the pump down plug. | 2021-07-01 |
20210198973 | WASHOUT PREVENTION ELEMENT FOR EXPANDABLE METAL SEALING ELEMENTS - Methods for positioning an expandable metal sealing element in the wellbore. An example method includes an expandable metal sealing element having a reactive metal and disposed in a location. The method further includes actuating a washout prevention element, contacting the expandable metal sealing element with a fluid that reacts with the reactive metal to produce a reaction product having a volume greater than the reactive metal, and allowing the washout prevention element to prevent at least a portion of the reaction product from flowing away from the location. | 2021-07-01 |
20210198974 | WIRELINE WELL ABANDONMENT TOOL - A well abandonment tool comprising an elongate housing extending between top and bottom ends locatable within a wellbore having a longitudinal pumping cylindrical bore therein. The apparatus further comprises a wellbore seal located around the housing operable to engage upon the wellbore and to be expanded into contact therewith upon an upward motion of the housing so as to seal an annulus between the housing and the wellbore and a bridge plug engagement connector adapted to secure a bridge plug thereto at a position below the bottom end of the housing. The apparatus further includes a pumping piston longitudinally moveably located within the pumping cylinder, the pumping piston being suspended from a wireline wherein longitudinal movement of the pumping piston discharges a fluid into a bridge plug activation chamber having a movable cylinder adapted to draw the bridge plug engagement connector against the bottom end of the housing so as to expand the bridge plug into engagement with the wellbore. A method for abandoning a wellbore comprising locating a housing within a wellbore above a location to be sealed, pulling upwardly on a wireline secured to a pumping piston within the housing so as to draw a bottom end of the housing upwards thereby extending a seal element located along the housing into engagement with the wellbore, pulling upwardly on the wireline so as to displace the pumping piston within a cylindrical bore within the housing so as to discharge a fluid therefrom and directing the discharged fluid into a bridge plug activation chamber adapted to draw a bridge plug engagement connector against a bottom end of the housing so as to expand a bridge plug secured thereon into engagement with the wellbore. | 2021-07-01 |
20210198975 | SENSOR CONTROLLED DOWNHOLE VALVE - The present disclosure provides a valve assembly comprising a valve section, a power section, and an electronics section. The valve assembly is configured to mate with a tubing sub (and/or mandrel) inserted in-line with a tubing string inserted into a wellbore. The valve allows for injection into or production from the tubing string. The valve assembly comprises an electric motor and a motor controller permitting fine control over the valve, as well as sensors which measure various parameters, such as fluid flow, valve position, pressure, temperature, and/or water cut. A cable connects the valve assembly to the surface and provides power and data telemetry and allows control of the valve assembly with a remote electronic signal. Multiple valve assemblies may be provided at spaced intervals along the tubing string and individually monitored and/or controlled by a remote location. Also disclosed is a method for operation of such valve assemblies. | 2021-07-01 |
20210198976 | FLOW CONTROL DEVICE INCLUDING A CANTILEVER RESTRICTOR - A fluid control device includes a housing, a fluid channel defined within the housing, the fluid channel having an inlet, and a restriction assembly. The restriction assembly includes a cantilever device disposed within the fluid channel and defining a restricted fluid path, the cantilever device configured to deform to reduce an area of the restricted fluid path and restrict a flow rate of fluid flowing therethrough based on a property of the fluid. | 2021-07-01 |
20210198977 | ACTUATION VALVE SYSTEM WITH PILOT AND MAIN VALVES - A tool, e.g. a downhole tool, utilizes at least one actuator which may be actuated rapidly between positions during operation of the tool. The actuator is moved via flow of an actuating fluid controlled by a main valve which, in turn, is controlled via a pilot valve. The pilot valve is operated to selectively control flow of the actuating fluid to the main valve so as to shift the main valve between desired operational positions. | 2021-07-01 |
20210198978 | DOWNHOLE APPARATUS WITH A VALVE ARRANGEMENT - The present invention relates to a downhole apparatus and a valve arrangement for a downhole apparatus having a tubular body having first and second ports in a wall thereof; and a method of operating a valve arrangement of a downhole apparatus. The valve arrangement has at least one locked configuration and the first port provides fluid communication with a tool or a device which is a sand control element having at least one fluid deformable device. The present invention also provides a method of setting a sand control completion, extending the sand control filter element thereof to a wellbore surface and isolating the reservoir from an upper portion of the wellbore. | 2021-07-01 |
20210198979 | FLOW-THROUGH PULSING ASSEMBLY FOR USE IN DOWNHOLE OPERATIONS - A flow-through assembly for use in a downhole drilling string includes a Moineau-type motor, means for selectively activating the motor such as a ball catch component that selectively causes drilling fluid to enter into or bypass the motor, and a rotating variable choke assembly that is driven by a rotor of the motor. The choke assembly varies the flow rate of drilling fluid as rotation causes ports of the choke assembly to enter into and out of alignment with each other. In one embodiment, the choke assembly comprises a faceted rotary component including bypass ports on the facets of the component. In another embodiment, the choke assembly comprises a tapered rotary component that rotates in a complementarily tapered stationary component. | 2021-07-01 |
20210198980 | METHOD AND SYSTEM FOR GENERATING VIRTUAL REALITY IMAGES OF A DRILLING RIG SITE - A method may include obtaining a request for a virtual reality (VR) image of a first VR area among a plurality of VR areas proximate a drilling rig. The first VR area may be associated with at least one drilling rig device. The method may include obtaining, a captured image from a camera device disposed in the first VR area. The method may include determining a VR user perspective based on motion tracking data of a VR user device. The method may include generating, using the captured image, a VR image from the VR user perspective. The method may be performed by a VR manager. | 2021-07-01 |
20210198981 | INTELLIGENT COMPLETION CONTROL IN RESERVOIR MODELING - Methods, systems, and computer-readable medium to perform operations for simulating performance of a reservoir that includes a wellbore. The operations include determining a constraint for an intelligent completion in a model of the wellbore, where the constraint includes a condition and a responsive action. The operations further include performing, in response to determining that the condition is satisfied, the responsive action. Further, the operations include determining, in response to performing the responsive action, transfer equations for the model of the wellbore. Yet further, the operations include building, using the transfer equations, a wellbore computation matrix for the model of the wellbore. In addition, the operations include solving the wellbore computation matrix and determining that a solution to the wellbore computation matrix has converged to an acceptable tolerance. The operations also include responsively determining that the converged solution is indicative of flow in the model of the wellbore. | 2021-07-01 |
20210198982 | SEA WATER VACUUMING SYSTEM TO CONTAIN SPILL - Systems and methods for containing a subsea flow of hydrocarbons includes a water intake. The water intake is operable to be positioned downstream of the subsea flow of hydrocarbons. A receiving facility is located at a surface of a sea. A suction hose extends from the water intake to the receiving facility. A suction system is operable to reduce a fluid pressure within the water intake. | 2021-07-01 |
20210198983 | SELECTIVE UNTETHERED DRONE STRING FOR DOWNHOLE OIL AND GAS WELLBORE OPERATIONS - According to some embodiments, devices, systems, and methods for autonomously or semi-autonomously conveying downhole oil and gas wellbore tools and performing downhole oil and gas wellbore operations are disclosed. The exemplary devices, systems, and methods may include an untethered drone that substantially disintegrates and/or dissolves into a proppant when shaped charges that the untethered drone carries are detonated. Two or more untethered drones, wellbore tools, and/or data collection devices may be connected in an untethered drone string and selectively detonated for efficiently performing wellbore operations and reducing the amount of debris left in the wellbore after such operations. | 2021-07-01 |
20210198984 | Tools for Selecting and Sequencing Operating Parameter Changes to Control a Hydrocarbon Production System - A process for use in managing a hydrocarbon production system includes: selecting, from among a plurality of changes proposed to operating parameters of the hydrocarbon production system, the proposed change with the greatest estimated positive change in production; assessing whether the selected change violates an operating constraint; based on said assessment, producing a valid change based on at least the selected change or identifying the selected change as an unusable change, iterating the above steps, the iteration excluding the valid change from the plurality of proposed changes; and implementing at least one valid change, the number of implemented valid changes being less than the number of proposed changes. | 2021-07-01 |
20210198985 | METHOD AND SYSTEM FOR REACTIVELY DEFINING VALVE SETTINGS - A method includes obtaining a reservoir model for a subsurface reservoir, identifying a current state of the subsurface reservoir using the reservoir model, and a computer processor selecting an optimization function from multiple optimization functions according to the current state of the reservoir to obtain a selected optimization function. The method further includes the computer processor calculating valve positions of physical devices using the selected optimization function. The valve positions are implemented. | 2021-07-01 |
20210198986 | CONTROL OF FLUID PRODUCTION USING RESONANT SENSORS - A system for controlling a flow of fluid includes a flow control device having a fluid channel configured to transport a fluid between a subterranean region and a borehole conduit, a resonant sensing assembly including a resonator body disposed in fluid communication with the fluid channel, and a controller configured to cause the resonator body to vibrate according to an expected resonance frequency of the resonator body. The system also includes a processing device configured to acquire a measurement signal generated by the resonator body, estimate a property of the fluid based on the measurement signal, and control a flow of the fluid through the flow control device based on the property of the fluid. | 2021-07-01 |
20210198987 | GAS OPERATED, RETRIEVABLE WELL PUMP FOR ASSISTING GAS LIFT - A method for producing fluid from a well includes inserting a pump into a well tubing having at least one gas lift valve disposed at a selected depth. The pump arranged to lift fluid below the pump into the well tubing. A gas pressure in an annular space between the well tubing and a well casing is increased until the gas reaches a flow port in the tubing proximate the pump. The pump is operated by continuing pumping gas so as to lift fluid from a subsurface reservoir to the selected depth of the at least one gas lift valve. | 2021-07-01 |
20210198988 | AUTONOMOUS OPTIMIZATION OF SINGLE-WELL AND MULTI-WELL GAS LIFT - Methods and systems are provided for controlling gas lift in at least one production well, which determine a quadratic function that relates flow rate or value of oil produced from a production well to gas flow rate for gas injected into the production well based on flow rate measurements for gas injected into the production well and corresponding flow rate measurements of oil produced from the production well. The quadratic function is used to determine an optimal flow rate for gas injected into the production well. The optimal flow rate for gas injected into the production well is used to control the flow rate of gas injected into the production well, and an oil flow rate produced from the production well is measured at the optimal gas flow rate for iterative processing to refine the quadratic function and determination of optimal gas flow rate if need be. | 2021-07-01 |
20210198989 | SEGMENTED FLUID END PLUNGER PUMP - A fluid end for a fracturing pump includes a plurality of segments coupled together along a discharge axis, each segment of the plurality of segments having a plurality of suction bores. The fluid end also includes respective interfaces between segment pairs formed by adjacent segments of the plurality of segments, the interfaces coupling the segment pairs together. The fluid end further includes respective access areas proximate the respective interfaces, the respective access areas configured to provide access for mechanical couplings to join the segment pairs together. | 2021-07-01 |
20210198990 | TUBING FOR ELECTRIC SUBMERSIBLE PUMPS USED IN OIL PRODUCTION - A tubing for an electric submersible pump (ESP) for oil production. Cables are wrapped outside a first outer sheath at equal intervals; an inner side of the cable is covered with an insulating layer; an inner side of the insulating layer is covered with an aluminum tape; and a conductor is nested inside the aluminum tape. The inner pipe is combined with the cable to meet the oil production requirement of a coiled tubing (CT) and solve a power transmission problem of the submersible pump. The first outer sheath and a second outer sheath ensure that the tubing has a high bearing capacity and stability inside. A first steel belt and a second steel belt ensure a high resistance to pulling and deformation inside the tubing in use. | 2021-07-01 |
20210198991 | HYDROGEN PRODUCTION BY DOWNHOLE ELECTROLYSIS OF RESERVOIR BRINE FOR ENHANCED OIL RECOVERY - Systems and methods of enhancing oil recovery with an electrochemical apparatus include introducing the electrochemical apparatus into an injection well bore. The electrochemical apparatus includes an anode, a cathode and an interior wall, the interior wall defining an interior that contains both the anode and the cathode. The electrochemical apparatus is operated such that injection water of the injection well bore is introduced into the interior of the electrochemical apparatus. Electrical power is introduced to the electrochemical apparatus such that a portion of the injection water is converted into a product gas, the product gas including hydrogen gas and oxygen gas. The electrochemical apparatus is operated such that the product gas forms product gas bubbles and the product gas bubbles travel into a formation, where the product gas bubbles react with a reservoir hydrocarbon of the formation to form a production fluid that is produced through a production well bore. | 2021-07-01 |
20210198992 | SYSTEMS AND METHODS FOR FLUID END HEALTH MONITORING - A method of hydraulic fracturing includes providing a fracturing fluid to a pump. The pump includes a pressure sensor for measuring pressure at a fluid end. The method further include injecting the fracturing fluid from the pump into a wellhead via the fluid end, obtaining a first pressure measurement at a discharge side of the fluid end via the pressure sensor, obtaining a second pressure measurement at the discharge side of the fluid end via the pressure sensor, determining a pressure differential between the first pressure measurement and the second pressure measurement, and determining an operational condition of the fluid end based at least in part on the pressure differential and a known or estimated correlation between the pressure differential and the operational condition. | 2021-07-01 |
20210198993 | BLENDER TUB OVERFLOW CATCH - In at least one embodiment, a system for a blender tub overflow catch is disclosed for fracturing operations using a fracturing fluid blender. In at least one embodiment, the system includes a first tub that may be a blender tub and a second tub forming a blender tub overflow catch that is adapted to circumvent an outside diameter of the first tub to catch overflow fluid from the first tub so that it can be directed back into the first tub upon a determination that the first tub has a capacity to handle the overflow fluid. | 2021-07-01 |
20210198994 | ELECTRIC MOTOR DRIVEN TRANSPORTATION MECHANISMS FOR FRACTURING BLENDERS - In at least one embodiment, a system for electric-motor driven transportation mechanism for fracturing operations is disclosed. In at least one embodiment, the system includes at least one transportation mechanism to transport blender components for a blender fluid from a first tub that may be a proppant hopper to a second tub that may be a blender tub and that may be associated with a fracturing blender; an electric motor and a control unit associated with the at least one transportation mechanism; and at least one variable frequency drive (VFD) associated with the electric motors for real time control of a speed associated with the at least one transportation mechanism. | 2021-07-01 |
20210198995 | SELF-REGULATING FRAC PUMP SUCTION STABILIZER/DAMPENER - A hydraulic fracturing pump system includes an electric powered hydraulic fracturing pump positioned on a support structure. The system also includes a suction stabilizer/dampener coupled to a suction end of the pump. The system further includes a compressed gas supply, fluidly coupled to the suction stabilizer/dampener, and positioned on the support structure. The system also includes a flow path between the suction stabilizer/dampener and the compressed gas supply, the flow path including at least one valve and at least one regulator configured to control flow from the compressed gas supply to the suction stabilizer/dampener. | 2021-07-01 |
20210198996 | System and Method to Control a Dual Motor Rotary Steerable Tool - A drilling system for drilling a wellbore that includes a drill string rotatable in a first direction. The system also includes a bottom hole assembly (BHA) that includes: a drill bit, a housing with a bore, a first fluid-driven motor in fluid communication with the bore and connected with and configured to rotate a portion of the BHA in a second direction opposite the first direction, a second fluid-driven motor in fluid communication with the bore and connected with and configured to rotate the drill bit, a valve in fluid communication with a vent including a flow path arranged to direct fluid away from any one or both of the fluid-driven motors, and a controller in communication with and configured to adjust a drilling parameter of the BHA by controlling the valve to adjust a flow rate of the fluid output from the valve into the vent. | 2021-07-01 |
20210198997 | DOWNHOLE ACTIVE TORQUE CONTROL METHOD - A method and system of adjusting near-bit weight on a drill bit in a drill string having a bottom hole assembly located at an end of a drill pipe, an anti-stall device near the bottom hole assembly, surface sensing and control equipment and a downhole-to-surface communication system, the anti-stall device measuring downhole performance criteria and evaluation of the measured downhole performance criteria, comprising the steps of measuring at least one downhole performance criteria by the anti-stall device; evaluating the measured downhole performance criteria in substantially real time by the anti-stall device; adjusting weight on the drill bit by the anti-stall device based on the evaluation by the anti-stall device; and communicating the adjustment to weight on the drill bit to the surface sensing and control equipment by the downhole-to-surface communication system for further adjustment of weight on the drill bit. | 2021-07-01 |
20210198998 | CALIBRATING ELECTROMAGNETIC CORROSION DETECTION TOOLS VIA CORE SATURATION - Methods and devices used to calibrate EM corrosion detection tools may estimate the effects of the presence of a core on measurements to enable more accurate corrosion detection in the well line. The methods may involve sending voltages to a core of a well tool disposed in the well line to obtain signals while the core is in a saturated and unsaturated state. Subsequent measurements using the core may be calibrated using a constant resulting from the division of the signals achieved at the core in the saturated and unsaturated states. | 2021-07-01 |
20210198999 | TECHNIQUES TO IMPROVE WIRELESS COMMUNICATIONS FOR IN-SITU WELLBORE DEVICES - A system for monitoring conditions in a wellbore includes a sensor assembly and a controller assembly. The sensor assembly attaches to a portion of a casing disposed in the wellbore and includes a sensor module and an inductive module. The sensor module measures conditions in the wellbore and the inductive module forms a wireless communication channel. The inductive module includes a first set of inductive coils and a second set of inductive coils that substantially surround the first set of inductive coils. The controller assembly attaches to a portion of a production tube housed within the casing and includes at least one coil inductively coupled to the inductive module, and communicates signals over the wireless communication channel. | 2021-07-01 |
20210199000 | SEGMENTATION OF TIME-FREQUENCY SIGNATURES FOR AUTOMATED PIPE DEFECT DISCRIMINATION - A method for taking measurements in a wellbore including lowering a downhole logging tool in the wellbore; obtaining, via the logging tool, a plurality measurements of a downhole element; processing the plurality of measurements to obtain a plurality of processed measurements; calculating a contour model based on the plurality of processed measurements; and determining a parameter of the downhole element based on the contour model. | 2021-07-01 |
20210199001 | LIQUID LEVEL SENSOR SYSTEM - A fluid level sensor system is disclosed for sensing a fluid level in a well. The system has a main body and an inlet housing coupled to the main body. The inlet housing has an internal chamber in communication with an ambient environment within the well. A bellows within the main body communicates with the internal chamber of the inlet housing. A movable element is responsive to movement of the bellows. A sensor detects when the movable element moves from a first position, indicating a first fluid level in the well, to a second position indicating a second fluid level within the well. An indicator is operably associated with the movable element and moves into a position to be viewable when the sensing element is moved to the second position, to provide a visual indication that the second fluid level has been reached. | 2021-07-01 |
20210199002 | SYSTEMS AND METHODS FOR MARKER INCLUSION IN A WELLBORE - A system and a method for determining a location of an untethered drone in a wellbore are described herein. The system includes one or more markers to be placed within a wellbore casing where each of the one or more markers is configured to transmit a continuous or periodic signal. The system further includes a first sensor to be transported by the untethered drone where the first sensor is configured to sense an existence of the one or more markers. | 2021-07-01 |
20210199003 | METHOD FOR EXTRACTING DOWNHOLE FLOW PROFILES FROM TRACER FLOWBACK TRANSIENTS - A method of estimating an influx profile for at least one well fluid to a producing petroleum well with two or more influx zones or influx locations to a production flow, wherein the well comprises tracer sources with distinct tracer materials in known levels of the well, at least one of said tracer sources arranged downstream and exposed to the fluids in at least one of said influx zones, wherein each said tracer source has an even release rate to said well fluid, characterised in that one or more of the tracer sources is provided in one or more delay chambers for ventilating out fluid with leaked tracer material at a time constant which is significantly longer than the diffusion rate from the tracer source to the well fluid, wherein the method further comprises: providing samples, the samples collected from the production flow at a location downstream of the tracer sources during a time period in which the tracer transient is detectable at the downstream location, analysing said samples for concentration and type of tracer material from said possible tracer sources as a function of sampling time or cumulative produced volume; and based on said measured concentrations and their sampling time or cumulative produced volume, calculating said influx volumes. | 2021-07-01 |
20210199004 | SYSTEM TO ENHANCE TELEMETRY COMMUNICATION IN WELL INTERVENTION OPERATION - System and method for telemetry communication provide enhance noise cancellation in well intervention operations. The system and method employ a surface panel operable to transmit and receive a telemetry signal through a wireline extending along a wellbore. A power converter receives and converts electrical power from the cable to operating power for a downhole tractor motor. A modem coupled to the cable processes and provides the telemetry signal to a microcontroller. A noise signal pathway provides a noise signal from the tractor motor directly to the microcontroller, the noise signal representative of electrical noise generated by the downhole tractor. The microcontroller performs noise cancellation on the telemetry signal to produce a de-noised telemetry signal by obtaining an estimated noise channel transfer function for the noise signal, and applying the estimated noise channel transfer function and the noise signal to the telemetry signal from the modem. | 2021-07-01 |
20210199005 | SYSTEM AND METHOD FOR DETERMINING FORMATION CHARACTERISTICS USING ELECTRICAL ARC MODELING - A disclosed downhole drilling system may include a drill bit electrically coupled to a pulse-generating circuit to generate electrical arcs between first and second electrodes during pulsed drilling operations, a sensor to record responses to electromagnetic or acoustic waves produced by the electrical arcs, and a sensor analysis system. The electrical arcs occur at different azimuthal locations between the electrodes. The sensor analysis system may obtain a plurality of measurements representing first responses recorded by the sensor during a pulsed drilling operation, generate a model of a source of the electrical arcs based on the measurements, obtain an additional measurement representing a second response recorded by the sensor during the operation, and determine a characteristic of a formation near the drill bit using an inversion based on the model and the additional measurement. The determined characteristic may be used to determine dip parameters or construct images of the formation. | 2021-07-01 |
20210199006 | Hydraulic Pressure Testing System, And Method Of Testing Tubular Products - A pressure-testing system for a tubular product. Preferably, the tubular product is a joint or a stand of production tubing. The pressure testing assembly includes a controller; a fluid reservoir configured to contain a test fluid; a pump in fluid communication with the fluid reservoir; a fluid hose having a first end configured to receive the test fluid from the reservoir, and a second end configured to be fluidically connected to a hydrotest tool for the tubular product; and a transducer. The transducer sends signals to the controller indicative of pressure within the fluid hose. The controller is programmed to automatically (i) store a pressure threshold value (T) such that when pressure in the fluid hose reaches (T), the controller sends a signal to the pump to discontinue pumping; and (ii) store a pressure test value (P | 2021-07-01 |
20210199007 | MINERAL BITS AND MOUNTS - Mineral bits ( | 2021-07-01 |
20210199008 | JACK FOR INSTALLING MINE STOPPING - A jack for installing a mine stopping panel includes an extendible post and a press for extending the extendible post. The press can have a lever movable between an actuated position and a non-actuated position and operative to extend the post as it moves toward the actuated position and retract the post as it moves toward the non-actuated position. A yieldable biaser yields when the post is extended to extend the mine stopping panel and the mine stopping panel engages a mine surface with sufficient force to crush a stopping seal and anchor the stopping panel. The press can comprise an over-center toggle linkage. | 2021-07-01 |
20210199009 | Engine Crank and Connecting Rod Mechanism - A crank and connecting rod mechanism, comprising at least one piston, which reciprocates within at least one cylinder, comprising: at least one connecting rod, comprising: a piston end pivotally connected to the at least one piston, a crank end; at least one gear set, comprising: a crankpin, the crank end pivotally connected to the crankpin; a crank gear; a crank gear shaft, the crank gear rotatably mounted on the crank gear shaft, the crankpin located between centerline of the crank gear shaft and radius of the pitch circle of the crank gear; a stationary gear, the crank gear meshing with the stationary gear, the crank end driving the crankpin, which drives the crank gear and the crank gear shaft about the stationary gear; the crank pin and the crank end rotating about the stationary gear and following the path of a roulette of a centered trochoid about the stationary gear. | 2021-07-01 |
20210199010 | MECHANISM FOR TRANSFORMING RECIPROCAL TO ROTATIONAL MOTION OR VICE VERSA, AND MECHANISM APPLICATIONS - A mechanism for transforming rotating into reciprocating motion, or vice versa, comprising first and second annular components ( | 2021-07-01 |
20210199011 | Helical Trochoidal Rotary Machines - Rotary positive displacement machines with trochoidal geometry that comprise a helical rotor that undergoes planetary motion within a helical stator are described. The rotor can have a hypotrochoidal cross-section, with the corresponding stator cavity profile being the outer envelope of the rotor as it undergoes planetary motion, or the stator cavity can have an epitrochoidal cross-section with the corresponding rotor profile being the inner envelope of the trochoid as it undergoes planetary motion. In some multi-stage embodiments, the rotor-stator geometry remains substantially constant along the axis of the rotary machine. In other multi-stage embodiments, the rotor-stator geometry varies along the axis of the rotary machine. | 2021-07-01 |
20210199012 | CAVITATION AND NOISE REDUCTION IN AXIAL FLOW ROTORS - A propeller, impeller or mixer comprising at least one blade, the blade having a suction surface and a pressure surface which extend from a leading edge to a trailing edge of the blade and a radially-outer tip region, wherein five to one hundred duct openings are provided extending through the at least one blade from the pressure surface to the suction surface, the duct openings being grouped in the tip region of the blade. | 2021-07-01 |
20210199013 | CMC COMPONENT WITH INTEGRAL COOLING CHANNELS AND METHOD OF MANUFACTURE - A fiber-reinforced component for use in a gas turbine engine includes a fiber sleeve forming a cooling channel and a plurality of fiber plies enclosing the fiber sleeve, with the plurality of fiber plies forming first and second walls separated by the fiber sleeve. The fiber-reinforced component further includes a matrix material between fibers of the fiber sleeve and the plurality of fiber plies. | 2021-07-01 |
20210199014 | RADIALLY COMPRESSIBLE AND EXPANDABLE ROTOR FOR A PUMP HAVING AN IMPELLER BLADE - The invention relates to a radially compressible and expandable rotor for a pump having at least one impeller blade, wherein the impeller blade has an impeller blade body whose material is elastically deformable as well as at least one stiffening strut which is at least partially embedded in the material of the impeller blade body. The struts are designed suitably in size, shape and arrangement and are integrated in suitable hollow spaces of the impeller blade body for stabilizing the impeller blade. Elements with tensile strength can additionally be provided. | 2021-07-01 |
20210199015 | TURBINE BLADE WITH TIP TRENCH - A turbine blade includes a tip cap disposed over an outer wall of a blade airfoil. A trench is defined on a radially outer side of the tip cap facing a hot gas path fluid. The trench is formed by a trench floor flanked on laterally opposite sides by first and second trench side faces such that the trench floor is located radially inwardly in relation to a radially outer surface of the tip cap. The trench extends from a trench inlet located at or proximal to an airfoil leading edge to a trench outlet located at or proximal to an airfoil trailing edge. The trench is configured to entrain a tip leakage flow from the trench inlet to the trench outlet. | 2021-07-01 |
20210199016 | TURBINE COMPONENT MADE FROM SUPERALLOY COMPRISING RHENIUM AND ASSOCIATED MANUFACTURING PROCESS - A turbine component includes a substrate made from monocrystalline nickel-based superalloy including rhenium, which has a γ-γ′ Ni phase, and an average weight faction of chromium of less than 0.08, a sublayer made from nickel-based metal superalloy covering the substrate, in which the sublayer made from metal superalloy includes at least aluminium, nickel, chromium, silicon, hafnium and has, predominantly by volume, a γ′-Ni 3 Al phase. | 2021-07-01 |
20210199017 | ROTOR ASSEMBLY WITH BLADE SEALING TAB - A blade for mounting on a rotor disc of a gas turbine engine includes platform segments between a airfoil and blade root and extending laterally from the blade, the platform segment having a curved profile defining a platform recess on a root side of the platform segment, the recess configured to cooperate with recesses of adjacent blades to define a blade pocket. A recessed region is defined in a rear surface of the blade root, and is configured to receive a complementary projection of the rotor disc upon mounting the blade on the rotor disc. The recessed region has a surface configured to abut a corresponding surface on the projection of the rotor disc to form a face seal. Methods of manufacturing such a rotor disc and of sealing a circumferential joint between such blades and the rotor disc are also disclosed. | 2021-07-01 |
20210199018 | SEALING ARRANGEMENT BETWEEN TWO RING-SHAPED WALLS OF AN AIRCRAFT ENGINE - A sealing arrangement is provided between inner and outer coaxial ring-shaped walls of an aircraft engine. The outer wall has an axial end with a U-shaped cross-section parallel to axis, the opening therein being oriented axially in a first direction. The inner wall has an axial end with a U-shaped cross-section parallel to axis, the opening therein being oriented axially in the opposite direction. The U-shaped end of the outer wall includes a ring-shaped free edge axially engaged in the opening in the axial end of the inner wall. The U-shaped end of the inner wall includes a ring-shaped free edge axially engaged in the opening in the axial end of the outer wall. The walls define therebetween a ring-shaped gas channel having a substantially S-shaped axial cross-section. | 2021-07-01 |
20210199019 | AIRCRAFT TURBINE REAR STRUCTURES - A turbine rear structure for a gas turbine engine includes a central hub and a circumferential outer ring coaxial with the central hub. The turbine rear structure further includes a plurality of guide vanes extending radially between the central hub and the circumferential outer ring, and an intermediate guide vane located in a space defined between adjacent guide vanes. The intermediate guide vane is located closer to one of the guide vanes than the other guide vane. | 2021-07-01 |
20210199020 | NOZZLE VANE - A nozzle vane for a variable geometry turbocharger has an airfoil including a leading edge, a trailing edge, a pressure surface, and a suction surface at least in a center position in a blade height direction. The airfoil satisfies 0≤W | 2021-07-01 |
20210199021 | ROTARY MACHINE AND JOURNAL BEARING - A turbocharger ( | 2021-07-01 |
20210199022 | STATOR AND DUCT RING STRUCTURAL FITTINGS - A duct for a ducted-rotor aircraft includes a hub, a duct ring, and a plurality of stators that extend outward from the hub. The duct ring defines a trailing edge. The duct includes one or more fittings, such as a system of fittings. Each fitting has a body that defines a first attachment interface that is configured to couple to structure of the duct ring and a second attachment interface that is configured to couple to one of the plurality of stators. The first and second attachment interfaces are spaced from each other such that when the fittings are coupled to the duct ring and the plurality of stators, all or substantially all of each of the plurality of stators are located aft of the trailing edge of the duct ring. | 2021-07-01 |
20210199023 | TURBINE CASING AND STEAM TURBINE - A turbine casing comprises: a turbine casing body, which covers a rotor of a steam turbine from the outer side, and in which is formed an exhaust port through which steam is horizontally exhausted; an overhanging part that horizontally widens from the outer surface of the turbine casing body; and a support part that supports the overhanging part on a baseplate; the support part restraining vertical displacement of the overhanging part relative to the baseplate, and securing the overhanging part to the baseplate so as to allow the overhanging part to be horizontally deformed or displaced. | 2021-07-01 |
20210199024 | EXHAUST GAS COOLING DEVICE AND METHOD - The present disclosure relates to an exhaust gas cooling device and method, and more particularly, to a device and method for installing an exhaust gas cooling device on the upper end of a duct of a heat recovery steam generator to cheaply cool the exhaust gas without occupying an additional dedicated area. | 2021-07-01 |
20210199025 | SYSTEMS AND METHODS FOR OPERATING A TURBOCHARGED GAS TURBINE ENGINE - A power generation system includes a combustion system, a turbocharger, and a heat recovery system. The combustion system is configured to combust a fuel with a flow of air. The combustion system is further configured to generate an exhaust stream. The turbocharger is configured to compress a flow of compressed air and to channel the flow of compressed air to the combustion system. The combustion system is configured to combust the fuel with the flow of compressed air and an additional flow of air. The heat recovery system is configured to recover heat from the exhaust stream and to drive the turbocharger. The heat recovery system uses a supercritical working fluid to absorb heat from the exhaust stream and to drive the turbocharger. | 2021-07-01 |
20210199026 | ORC DEVICE FOR COOLING A PROCESS FLUID - The invention refers to a system for cooling a process fluid of a heat-producing apparatus, comprising: an outlet of the heat-producing apparatus, the outlet being provided for discharging process fluid to be cooled from the heat-producing apparatus; an inlet of the heat-producing apparatus, the inlet being provided for supplying cooled process fluid to the heat-producing apparatus; and a thermodynamic cycle device, in particular an ORC device, the thermodynamic cycle device comprising an evaporator having an inlet for supplying the process fluid to be cooled from the outlet of the heat-producing apparatus and having an outlet for discharging the cooled process fluid to the inlet of the heat-producing apparatus, the evaporator being adapted to evaporate a working medium of the thermodynamic cycle device by means of heat from the process fluid; an expansion machine for expanding the evaporated working medium and for producing mechanical and/or electrical energy; a condenser for liquefying the expanded working medium, in particular an air-cooled condenser; and a pump for pumping the liquefied working medium to the evaporator. | 2021-07-01 |
20210199027 | Camshaft adjusting device - The disclosure relates to a camshaft adjusting device with a dry belt, a central valve arranged within a camshaft adjuster, and an actuator acting on the central valve. An oil-tight wet space is formed by the camshaft adjuster and the actuator or a component supporting the actuator, and oil present in the wet space can be evacuated by means of an oil path. A portion of this oil path extends axially through the output element of the camshaft adjuster. This oil path can pass the end-side contact face between the output element and camshaft, opening out into an axial bore of the camshaft which is distanced radially from the axis of rotation of the camshaft adjusting device. The axial bore runs beneath an oil feed connection formed on the outer surface of the camshaft for feeding oil to the central valve. | 2021-07-01 |
20210199028 | LOST MOTION MECHANISM, VALVE GEAR AND ENGINE - A valve gear includes a lost motion mechanism including a lost motion spring. A pillar is inserted into the lost motion spring, and a seat supports a lower end portion of the lost motion spring. A protrusion is provided on an opposite side of the seat from the lost motion spring. When viewed from an axial direction of the lost motion mechanism, the protrusion does not project out of the seat. By fitting the protrusion into the recess of the cylinder head, the seat, i.e., the lost motion mechanism is attached to the cylinder head. | 2021-07-01 |
20210199029 | METHOD FOR PRODUCING A HOLLOW VALVE WITH AN OPTIMISED INTERIOR STEM GEOMETRY FOR INTERNAL COMBUSION ENGINES - A method for producing a valve body of a hollow valve with optimised interior stem geometry includes a preform with a valve plate and a tubular wall surrounding a cavity. Flow forming the tubular wall over a flow-forming mandrel, which is inserted into the cavity to enlarge a length of the tubular wall. An interior area of the tubular wall is embossed with a structure either due to the fact that the flow-forming mandrel is a structuring mandrel having a surface structure, or alternatively, because the method includes a further step of reducing an outer diameter of the tubular wall by swaging or drawing and ironing over a structuring mandrel. Furthermore, a hollow valve is produced by this method. | 2021-07-01 |
20210199030 | FULLY VARIABLE VALVE TRAIN WITH ROTARY PLUNGER FOR INTERNAL COMBUSTION ENGINE - A fully variable valve train with a rotary plunger for an internal combustion engine. A motor actuates a high-pressure oil injection pump; when a timing driven electromagnetic valve connected to an oil inlet is opened, high-pressure oil enters a hydraulic cylinder; and when the force applied to a plunger by the hydraulic oil is larger than the force of a valve returning spring, the plunger is pushed to move down, so that a valve is opened. When the valve is required to be return, the timing driven electromagnetic valve connected to the oil inlet is closed, and the timing driven electromagnetic valve connected to the oil inlet is opened; the valve moves up under the action of the valve spring, pushing the plunger to move up and thereby discharging the low-pressure oil out of the hydraulic cylinder, then the plunger and the valve return to the initial positions. | 2021-07-01 |
20210199031 | VALVE GEAR AND ENGINE - An engine includes a cylinder head including a first oil path and a second oil path. The cylinder head includes a valve gear including a first support and a second support that support a rocker shaft. The first support includes, on its outer surface, a first constriction located at an inlet of a connection-switching third oil path and connected to the first oil path, and a second constriction connected to the second oil path. The second support includes, on its outer surface, a third constriction connected to the first oil path, and a fourth constriction located at an inlet of a lubrication fourth oil path and connected to the second oil path. | 2021-07-01 |
20210199032 | HEAD COVER FOR ENGINE - The head cover for an engine includes a gas passage in the head cover, a gas outlet formed on a head cover wall at a terminal end portion of the gas passage in the head cover, a gas intermediate outlet portion formed in the head cover wall so as to face space inside the head cover except the gas passage in the head cover, and a gas intermediate inlet portion formed in the head cover wall so as to face the gas passage in the head cover, in which an opening specification in which through holes penetrating the head cover wall are formed and a closing specification in which the through holes are not formed can be selected for the gas intermediate outlet portion and the gas intermediate inlet portion. | 2021-07-01 |