39th week of 2018 patent applcation highlights part 34 |
Patent application number | Title | Published |
20180274314 | Latch mechanism and system for downhole applications - A system and method for conveying a tool to a target sub within a tubular string having a number of subs. Each sub may include at least one ledge or shoulder in or on its interior surface that can be used as a latch stopper or stopper, for receiving and engagement with a latch. The subs may also have a latch deflector or deflector. In one embodiment, the latch deflector is a latch-deflection shoulder protruding into the internal diameter (ID) of the string for deflecting a latch, to be subsequently introduced, out of or into the latch-stopping, shoulder. The distance between the latch stopper and the latch deflector, referred to as the “deflection radius,” may be used as an address that uniquely identifies each sub, and can vary from sub to sub. | 2018-09-27 |
20180274315 | FINGERED MEMBER FOR A DOWNHOLE TOOL - A fingered member for a downhole tool that includes: a circular body; a plurality of fingers extending from the circular body; a recessed region formed in the circular body; a void formed between respective fingers; and a transition zone between the circular body and the plurality of fingers. The transition zone further includes an inner surface and an outer surface. | 2018-09-27 |
20180274316 | SYSTEM AND METHOD FOR INTELLIGENT LATCH SECUREMENT - The disclosed embodiments include an assembly for anchoring a tool at a subsurface location in a wellbore. The assembly includes a latch coupling having a latch pocket on an internal surface of the latch coupling. Additionally, the assembly includes an outwardly biased latch having a key latch that in operation interacts with the latch pocket of the latch coupling to secure the outwardly biased latch within the latch coupling. Further, the assembly includes a first sensor disposed in the latch pocket, and a second sensor disposed in the key latch. The second sensor detects the first sensor when the outwardly biased latch is secured within the latch coupling. Furthermore, the assembly includes a communication sub communicatively coupled to the second sensor that transmits an indication to a surface of the well that the outwardly biased latch is secured within the latch coupling. | 2018-09-27 |
20180274317 | DEGRADABLE CASING JOINTS FOR USE IN SUBTERRANEAN FORMATION OPERATIONS - A casing joint and systems and methods related thereto. The casing joint comprises a tubular body, a window formed through a sidewall of the tubular body, and a degradable material secured to the tubular body to occlude the window. The degradable material has a degradation rate of greater than 0.0095 milligrams per square centimeters (mg/cm2) at 93.3C when exposed to a 15% potassium chloride solution. | 2018-09-27 |
20180274318 | Method and Mobile Cutting Tool for Cutting a Subsea Tubular Structure - A mobile cutting tool is for cutting a subsea tubular structure and has i) a tool body for receiving the subsea tubular structure in an enclosure thereof; ii) an actuator mounted on the tool body at one side of the enclosure; iii) a non-rotatable cutting element provided on the actuator, the actuator with the cutting element for carrying out a translational cutting movement through the enclosure including the subsea tubular structure, and iv) a reaction member mounted at an opposite side of the enclosure of the tool body opposite to the cutting element for applying a reaction force on the subsea tubular structure during cutting. A method is for cutting a subsea tubular structure, wherein a non-rotating translation cutting movement is used for cutting. | 2018-09-27 |
20180274319 | SAFETY SYSTEM FOR OVERRIDING HYDROCARBON CONTROL MODULE - Example embodiments presented herein are directed towards a safety system, for example a subsea workover safety system, for overriding a control module configured to actuate a component of a hydrocarbon production apparatus, particularly an apparatus comprising at least one of a lower riser package and an emergency disconnect package. | 2018-09-27 |
20180274320 | SAFETY SEALING AND REPARATION DEVICE AND METHOD FOR ELECTRICAL CABLES THAT PASS THROUGH WELLHEADS - The invention is a modular safety device adapted to allow the flow and create a mechanical seal to a series of electric conductors ( | 2018-09-27 |
20180274321 | SYSTEM AND METHOD FOR OFFLINE SUSPENSION OR CEMENTING OF TUBULARS - A system for offline suspension of a tubular including a first well having a first wellbore and a cellar formed at the surface of the first well with a rig movable from the first well to a second well. Additionally, a tubular string extending into the first well and a tubular support structure above the cellar of the first well, wherein the tubular support structure supports a weight of the tubular string such that the tubular is suspended from the tubular support structure independent from the rig and through a securing equipment configured to secure the first well. | 2018-09-27 |
20180274322 | BLOWOUT PREVENTION SYSTEM INCLUDING BLIND SHEAR RAM - A seal for a blind shear ram is configured to extend between a first carrier and a second carrier of the blind shear ram. The seal includes a curved portion and an elastic layer extending through the curved portion. The elastic layer is configured to contact at least one of the first carrier and the second carrier to seal a wellbore when the first carrier and the second carrier are in a closed position. The elastic layer has a first elasticity. The seal also includes an anti-extrusion structure coupled to the elastic layer. The anti-extrusion structure extends through the curved portion. The anti-extrusion structure has a second elasticity less than the first elasticity. The anti-extrusion structure defines a plurality of slits to facilitate the anti-extrusion structure extending through the curved portion. | 2018-09-27 |
20180274323 | INTELLIGENT PRESSURE CONTROL DEVICES AND METHODS OF USE THEREOF - A pressure control device may include a body having a central axis extending therefrom; at least one rotatable seal within the body, the rotatable seal configured to seal against a tubular extending through the pressure control device along the central axis and rotate within the body with the tubular; at least one coil within the body wrapped at least once around the central axis, wherein the at least one coil is configured to send characteristics of the tubular to a controller; an outlet to divert fluid from an annulus, wherein the outlet being located axially below the at least one rotatable seal, wherein the controller is configured to control the at least one rotatable seal and its engagement against the tubular based on the characteristics of the tubular received by the controller. | 2018-09-27 |
20180274324 | Systems and Methods for Retraction Assembly - The present disclosure relates to a downhole packer assembly that includes an outer skin, an inner packer disposed within the outer skin such that inflation of the inner packer is configured to expand the outer skin, an end support coupled to an outer skin end and an inner packer end, a retraction assembly coupled to the end support via a plurality of connecting members, and a plurality of chambers disposed within the retraction assembly. The plurality of connecting members are at least partially disposed within the plurality of chambers. | 2018-09-27 |
20180274325 | Cup Plug Having a Large Flow-Through Inside Diameter - A downhole tool is configured on a wireline adapter kit in the run-in position is disclosed. The downhole tool comprises a large open bore when the downhole tool is set and the wireline adapter kit is removed, thereby allowing production to commence without removal of the downhole tool. The large bore diameter may be greater than 2 inches for a 4.5 inch casing, or greater than 2.5 inches for a 5.5 inch casing. | 2018-09-27 |
20180274326 | Polymers for Wellbore Plugs and Wellbore Stability - Apparatus, compositions, and methods for creating polymer plugs in wellbores and/or for enhancing wellbore stability, comprising: a flow control device such as a blowout preventer on a wellbore; a control fluid aperture fluidly connected with the wellbore for introducing a control fluid and/or a plug-forming agent such as a polymer, monomer, resinous, and/or crosslinkable material, through a control fluid aperture and into the primary throughbore while wellbore blowout fluid flows through the wellbore; and optionally, a weighted fluid aperture positioned in the wellbore conduit below the control fluid aperture for introducing a weighted fluid or another fluid or plug-forming agent into the wellbore. Exemplary plug-forming agents include dicyclopentadiene and norborene, and exemplary catalysts include Grubbs catalysts. The polymer plugs also may be utilized to hydraulic sealing within wellbores, such as during P&A and drilling operations for providing wellbore stability. | 2018-09-27 |
20180274327 | CHEMICAL MEANS TO PREDICT END OF JOB IN REVERSE-CIRCULATION CEMENTING - Methods and systems for cementing casing in a wellbore are described. The methods include introducing a modified biopolymer into an inner diameter of the casing, reverse-circulating a cement composition in the wellbore, permitting the modified biopolymer to contact the cement composition, and terminating the reverse-circulation upon detection of an increase in pressure in pumping the cement composition. The modified biopolymer includes a reaction product of a biopolymer and an organic carbonate, and the cement composition has a pH greater than 11. | 2018-09-27 |
20180274328 | HYDRAULIC METERING SYSTEM FOR DOWNHOLE HYDRAULIC ACTUATION - A technique provides enhanced control over a variety of hydraulically actuated devices, e.g. flow control valves. A hydraulic control module is placed in hydraulic communication with an actuator of a hydraulically actuated device. The hydraulic control module comprises features which prevent hydraulic locking of the system. Additionally, the control module may comprise metering features to enable metered flow of actuating fluid. The features may include valves, mini-indexers, flowline configurations, or other features which maintain the ability to shift the hydraulically actuated device and/or provide metering of the actuating fluid. | 2018-09-27 |
20180274329 | DIRTY FLUID PRESSURE REGULATOR AND CONTROL VALVE - A pressure regulator for dirty fluid service includes: a body having a chamber, a pair of supply sockets, and an outlet port, each socket and the port formed through a wall of the body; a pair of supply seal plates disposed in the supply sockets and having supply passages formed therethrough; and a sliding seal assembly disposed in the chamber. The sliding seal assembly includes: a seal carrier having a piston and a supply gland; and a supply seal disposed in the supply gland. The piston is disposed in a pilot portion of the chamber. The outlet port and sockets are located adjacent to a regulated portion of the chamber. The piston is operable to move the sliding seal assembly between a supply position and a second position in response to pressure differential between the pilot portion and the regulated portion. | 2018-09-27 |
20180274330 | RESETTABLE SLIDING SLEEVE FOR DOWNHOLE FLOW CONTROL ASSEMBLIES - A flow control assembly includes a housing defining flow port that place an interior of the housing in fluid communication with an exterior of the housing, and a sliding sleeve defining sleeve ports and movably positioned within the interior between a first position, where fluid communication between the interior and the exterior via the flow ports is prevented, and a second positon, where fluid communication between the interior and the exterior is facilitated through the sleeve ports and the flow ports. A piston and a slip device are movably arranged within a piston chamber defined between the housing and the sliding sleeve. The piston has a first end exposed to an interior pressure and a second end exposed to an exterior pressure via chamber ports defined in the housing. A biasing device is also positioned within the piston chamber. | 2018-09-27 |
20180274331 | REMOTELY OPERATED AND MULTI-FUNCTIONAL DOWN-HOLE CONTROL TOOLS - A system for controlling flow in a wellbore can include a down-hole control module that is hydraulically coupled to multiple components of the system. The control module can include a computer, which can be preprogrammed to operate the various components in a particular sequence, and communicate confirmation or error signals to a surface location. The control module can also include a micro-hydraulic motor and pump that can that can be instructed by the computer to selectively deliver hydraulic fluid to one or more of the components of the system. The system can include isolation members such as packers, hydraulic pressure maintenance devices (PMDs), hydraulic shear joints, inflow control devices or valves (ICDs or ICVs) and a three-position valve that can be actuated by the control module without necessitating communication with a surface location. | 2018-09-27 |
20180274332 | Moving Tools on Offshore Structures with a Walking Carriage - A carriage arranged to walk along an elongate member while carrying a payload includes individually-operable clamps that are spaced axially along a common longitudinal axis. An axially-extensible frame connects the clamps. At least one of the clamps is attached to the frame via a rotationally-displaceable coupling for relative angular movement between that clamp and the frame about the longitudinal axis. The carriage can carry the payload to a subsea worksite by opening and closing the clamps to release and grip the elongate member in a sequence that includes moving the leading clamp forward when the leading clamp is open and moving the trailing clamp forward when the leading clamp is closed. At the worksite, installation force can be applied to the payload in a forward direction by moving the leading clamp forward when the leading clamp is open and the trailing clamp is closed. | 2018-09-27 |
20180274333 | SYSTEM AND METHOD FOR SEALING MULTILATERAL JUNCTIONS - The invention relates to a system and method for alloy-based molten material to be delivered to the multilateral junction, wherein the molten materials, such as a eutectic or non-eutectic alloy, is flowed into the junction area and forms a durable seal upon cooling. An expanding alloy may be utilized, which expands upon solidification and which has a melting temperature that is higher than the maximum anticipated well temperature, which alloy is placed within a cavity in the well and held at a temperature above the melting point of the alloy, whereupon the alloy is cooled down to the ambient well temperature and thereby solidifies and expands within the cavity. | 2018-09-27 |
20180274334 | SYSTEM AND METHOD FOR MONITORING DISPOSAL OF WASTEWATER IN ONE OR MORE DISPOSAL WELLS - A system and method for monitoring disposal of wastewater in a disposal well includes: an event monitor sensor configured to identify a wastewater disposal event; and a second sensor configured to collect data about one or more characteristics of the wastewater during the wastewater disposal event. The data from the second sensor at the disposal well is analyzed to determine a classification of the wastewater, which is then reported to an operator or another interested party. | 2018-09-27 |
20180274335 | LOAD CONTROL SYSTEM AND METHOD FOR HYDROCARBON PUMP ENGINE - Systems and methods for reducing produced gas venting from a hydrocarbon well, in which the engine driving the pump burns produced gas from the well, the engine made to increase its throttle to burn more gas in response to an increased gas pressure indicator, and an external load such as a generator directed to increase the load on the engine and maintain the engine operating within a desired revolutions-per-minute range to avoid redline condition. | 2018-09-27 |
20180274336 | DOWNHOLE COMPLETION SYSTEM - The present invention relates to a downhole completion system for completing a well having a borehole, said downhole completion system comprising a well tubular metal structure arranged in the borehole forming an annulus and comprising a wall and a plurality of sensor units forming a mesh network, wherein at least a number of said sensor units is provided with a self-powering device configured to harvest energy downhole. Furthermore, the present invention relates to a sensor unit for use with a downhole completion system according to the present invention. | 2018-09-27 |
20180274337 | SIMULATING HYDRAULIC FRACTURE PROPAGATION USING DYNAMIC MESH DEFORMATION - An illustrative hydraulic fracturing simulation method includes: creating an initial mesh representation of a subterranean formation, the mesh including mesh nodes; determining one or more fracture paths in the formation; for each of the one or more fracture paths, displacing a subset of the mesh nodes into alignment with the fracture path; interpolating from displacements of the aligned mesh nodes to obtain displacements for each non-aligned mesh node in the mesh, thereby obtaining a deformed mesh representation of the formation; using the deformed mesh to construct a linear set of equations representing fracture creation and propagation caused by injection of a hydraulic fracturing fluid; deriving one or more fracture path extensions from the linear set of equations; and displaying the one or more fracture paths with the one or more fracture path extensions accurately representing the fracture propagation path. The interpolation may be performed using radial basis functions. | 2018-09-27 |
20180274338 | DRILLING OR WORK-OVER RIG COMPRISING AN OPERATIONAL CONTROL AND/OR STATE UNIT AND A COMPUTER-IMPLEMENTED METHOD OF PROVIDING OPERATIONAL CONTROL AND/OR STATE - a drilling or work-over vessel ( | 2018-09-27 |
20180274339 | MITIGATING CORROSION OF CARBON STEEL TUBING AND SURFACE SCALING DEPOSITION IN OILFIELD APPLICATIONS - Mitigating corrosion and surface scale formation in a sour gas well includes providing an oil-based liquid to a sour gas well having carbon steel tubing with iron sulfide on a surface of the carbon steel tubing, contacting the carbon steel tubing with the oil-based liquid, and adsorbing a first portion of the oil-based liquid onto the iron sulfide, thereby yielding a hydrophobic coating on the carbon steel tubing. | 2018-09-27 |
20180274340 | SCREEN CONNECTION AREA ASSEMBLY FOR GRAVEL PACK AND METHOD - A screen connection area assembly configured to mount between adjacent sand screens of a gravel pack string including a body attachable to a screen connection area between two adjacent sand screens of the gravel pack string, the body configured to displace fluid and present a radial dimension between about 75% and 100% of a radial dimension of the adjacent sand screens. A method for packing a gravel pack string including disposing an assembly as in any prior embodiment on a screen connection area between adjacent sand screens of the string, running the string into a borehole, supplying a slurry to the borehole proximate the sand screens, packing the sand screens and the screen connection area between adjacent sand screens without altering a flow regime of the slurry. | 2018-09-27 |
20180274341 | PRESSURE PERFORATED WELL CASING SYSTEMS - Pressure perforated casing system has a plurality of grooves cut to an equal depth in an outer surface of a casing joint or a casing collar. Each groove has a bottom spaced from and internal surface of the casing joint or the casing collar. Sidewall bottom material in the groove ruptures at a predetermined fluid pressure below the burst pressure rating of the casing joint or casing collar. | 2018-09-27 |
20180274342 | Multi-Shot Charge for Perforating Gun - A multi-shot explosive charge includes a plurality of chambers divided by shared walls between adjacent chambers. Explosive material within at least one of the chambers creates an explosive force in an outward direction upon detonation and a perforating jet through the open end of the chamber. A perforating charge includes at least one explosive material producing explosive forces, upon detonation that collide within the chamber to create a perforating jet. Such perforating charge may be a chamber(s) within a multi-shot explosive charge, or an individual charge. First and second explosive materials can have the same or different compositions and detonation rates that together with the arrangement of materials within the chamber create the collision of forces. A plurality of multi-shot explosive charge or stand-alone perforating charges with colliding forces can be interconnected in an array, and can be included in a perforating gun(s). | 2018-09-27 |
20180274343 | PREVENTION OF GAS ACCUMULATION ABOVE ESP INTAKE - A system for producing hydrocarbons from a subterranean well includes an electrical submersible pump assembly with a pump, intake, protector, and motor. A production tubing is in fluid communication with the electrical submersible pump assembly and has an inner bore sized to deliver fluids from the electrical submersible pump assembly to a wellhead assembly. A packer assembly is located between the pump and the intake, the packer assembly moveable to an expanded position with an outer diameter in sealing engagement with an inner diameter of an outer tubular member. | 2018-09-27 |
20180274344 | PREVENTION OF GAS ACCUMULATION ABOVE ESP INTAKE WITH INVERTED SHROUD - A system for producing hydrocarbons from a subterranean well includes an electrical submersible pump assembly with a pump, intake, protector, and motor. A production tubing is in fluid communication with the electrical submersible pump assembly and has an inner bore sized to deliver well fluids containing both gases and liquids from the electrical submersible pump assembly to a wellhead assembly. A packer assembly circumscribes the production tubing downstream of the electrical submersible pump assembly. An inverted shroud has a closed end located between the intake and the protector and an opposite open end that is open towards the packer assembly. | 2018-09-27 |
20180274345 | ESP SYSTEM SURFACE CONTROLS ENCLOSURE - The present invention pertains to an electric submersible pump (ESP) system. The system usually has one or more downhole devices comprising one or more pumps and one or more motors for operating the one or more pumps and surface equipment. The surface equipment includes a controls enclosure configured to operate the ESP system and a power cable configured to provide communication from the controls enclosure to one or more of the downhole devices. The controls enclosure is configured as an enclosure on the surface comprising at least two compartments separated based on exposure to voltage potential. | 2018-09-27 |
20180274346 | METHOD OF WELL COMPLETION - A method for well completion employs a combined plugging and perforating operation for creating multiple spaced-apart clusters of perforations and optional stimulation treatments in stages. For each stage to be completed, a frac plug, carried, for example, along a wireline bottom hole assembly with perforating guns, is set in the wellbore distal (toward the toe end of the well) of the most proximal perforation cluster of the previous stage, thereby maintaining open hole conditions that provide adequate flow past the most distal perforation clusters in the current stage and minimizing proppant accumulation in the wellbore from stimulation operations. The method further allows subsequent pump down of tools and equipment even with the plug set in the wellbore. | 2018-09-27 |
20180274347 | System and Method for Oil and Condensate Processing - A system and method for the on-site separating and treating of a hydrocarbon liquid stream at an oil and gas production site is disclosed. The system comprises an oil and condensate distillation unit and a vapor recovery unit. In one embodiment, the oil and condensate distillation unit operates at low pressure or vacuum conditions to reduce the vapor pressure above the column of oil within a distillation column, thereby increasing the production of oil and condensate and capturing entrained natural gas otherwise lost or burned off. In another embodiment, oil from the distillation column can be measured by a flow meter and then transferred to one or more of an oil tank, a mobile tank, and an oil pipeline. Optionally, produced water at the production site can be run through the oil and condensate distillation unit to reduce the volume of produced water. The system further functions to improve the quality and volume of recovered natural gas and to decrease air pollution, in addition to increasing oil and condensate production at the well site. | 2018-09-27 |
20180274348 | A Method of Acidizing of Subterranean Formations in Well Operations - A method for acidizing a subterranean formation is disclosed. The method includes using an acid to lower the pH of a fluid within a subterranean formation. The method further includes reacting exothermic reaction components in the fluid within the subterranean formation to heat the subterranean formation. The method additionally includes acidizing the subterranean formation. | 2018-09-27 |
20180274349 | HYDRAULIC FRACTURING SYSTEM AND METHOD - A hydraulic fracturing system and method for enhancing effective permeability of earth formations to increase hydrocarbon production, enhance operation efficiency by reducing fluid entry friction due to tortuosity and perforation, and to open perforations that are either unopened or not effective using traditional techniques, by varying a pump rate and/or a flow rate to a wellbore. | 2018-09-27 |
20180274350 | NATURAL GAS APPARATUS AND METHOD FOR IN-SITU PROCESSING - A natural gas processing system is mounted on at least one mobile platform that is transported to a natural gas source, such as a well. A liquid removal tank separates liquid contaminants from the gas. A particulate filter removes particulates from the gas. A membrane separates the natural gas into a retentate gas and a permeate gas. A gas compressor is selectively connected either upstream of the membrane or downstream of the membrane. For low pressure source gas, the upstream connection will compress the natural gas before entering the membrane. For high pressure source gas, the downstream connection will compress the natural gas after exiting the membrane. An electrical generator and an air compressor are provided. A process control is connected to all the valves in the system, all instruments, the gas compressor, the electrical generator, and the air compressor. The process control monitors and controls the natural gas processing system. | 2018-09-27 |
20180274351 | INTEGRATED COMPACT STATION OF SUBSEA SEPARATION AND PUMPING SYSTEMS - An integrated compact station of subsea separation and pumping systems of fluids, which is suitable for use in any subsea system, that is for the separation of fluids and/or solids. The compact integrated station includes a first separation module and a second pumping module of reinjection water, and a harp as a gas-liquid gravitational separator. Additionally, the compact integrated station includes a robotic arm installed on a cover involving said first separation module and a liquid-liquid gravitational tubular separator module. The integrated compact station may be applied to any subsea system of separation of fluids connected to the well of oil and gas production, or alternatively, installed directly connected to the production manifold. | 2018-09-27 |
20180274352 | SURFACE MANAGEMENT OF DRILL STRING ROTATION FOR STICK-AND-SLIP REDUCTION - Systems and methods disclosed herein are directed to drilling rigs and, more specifically, to controlling the rotation of a drill string assembly to limit effects of irregular rotary movements form an AC induction motor driven by an inverter, associated with operation of a drilling rig. The systems and methods obtain rotational conditions of the rotary drilling system driven by a motor. Additionally, the systems and methods continuously generate, in response to a change in the rotational conditions, a supplied power to the motor at a frequency selected on relation of torque versus speed for the motor based on a virtual drive characteristic. The systems and methods can determine of the virtual drive characteristic to optimize coupling between the motor system and the rotational drilling system, as well as minimizing the effect of resonance and total noise. | 2018-09-27 |
20180274353 | DOWNHOLE SENSOR SYSTEM - The present invention relates to a downhole sensor system, comprising a plurality of sensor units forming a mesh network, providing for a reliable data path even though at least some of the sensor units are out of range from the data collection provided at surface level or at seabed level, wherein each one of said sensor units is positioned in a cemented annulus formed between a casing and a borehole wall, and at least one of said sensor units is provided with a detector for detecting cement characteristics of the cement in the annulus. Furthermore, the present invention relates to a method for providing a downhole sensor system and to a method for determining cement characteristics. | 2018-09-27 |
20180274354 | DOWNHOLE DRILLING SYSTEM - The present invention relates to a downhole drilling system, comprising: a drill string having a drill head configured to drill a borehole having a borehole wall forming an annulus between the drill string and the borehole, a plurality of sensor units forming a mesh network, wherein each one of said sensor units is distributed in a drilling fluid flowing in the annulus and in the drill string, and at least one of said sensor units is provided with a detector for measuring position data. The present invention also relates to a method for providing a downhole drilling system according to the present invention and to a method for determining drilling direction. | 2018-09-27 |
20180274355 | SYSTEM FOR DETERMINATION OF MEASURED DEPTH (MD) IN WELLBORES FROM DOWNHOLE PRESSURE SENSORS USING TIME OF ARRIVAL TECHNIQUES - Described is a system for estimating measured depth of a borehole. The system comprises a drilling fluid pulse telemetry system positioned in a borehole and processors connected with the drilling fluid pulse telemetry system. Time series measures are obtained from an environmental sensor package. Initial estimates of a time delay and path attenuation amplitude are determined. An error for the initial estimates is determined, and iterative minimization of the error is performed until source signal parameters converge, resulting in a least squares estimate of the source signal and the reflected signals. The least squares estimate is used to obtain time delay values, which are then used to continuously generate an estimate of a measured depth of the borehole. | 2018-09-27 |
20180274356 | DOWNHOLE PLUG AND ABANDONMENT SYSTEM - The present invention relates to a downhole plug and abandonment system comprising a well tubular structure having an inside and a wall and being arranged in a borehole, a first plug arranged in the well tubular structure for sealing off a lower part of the well tubular structure, a second plug arranged in the well tubular structure at a distance and above the first plug isolating a confined space having a space pressure between the first plug and the second plug, wherein an abandonment device is arranged in the confined space, the abandonment device comprising: a unit configured to increase the space pressure, a sensor configured to measure a temperature and/or a pressure in the confined space, and a device communication module configured to receive an input from the sensor and to communicate signals from the abandonment device. Furthermore, the present invention relates to a downhole plug and abandonment method. | 2018-09-27 |
20180274357 | High-Resolution-Molded Mandrel - A method may include coiling a fiber line around an exterior side of a casing section. A mold may be temporarily secured to at least a portion of the exterior side of the casing section. An epoxy material may be injected into the mold to form a cover. The cover may extend over the fiber line and the exterior of the casing section. The cover may have a substantially equal thickness for centralizing the casing section when the casing section is positioned downhole. The mold may be removed from the exterior side of the casing section after the epoxy material has cured. | 2018-09-27 |
20180274358 | System and Method for Detecting Cross Bores - An apparatus for detecting a cross-bore between a first pipe and a second pipe that are installed underground includes a support and an electronic circuit assembly. The support is movable through the first pipe. The electronic circuit assembly is mounted to the support to move through the first pipe with the support. The electronic circuit assembly includes a controller and a capacitance sensor. The capacitance sensor outputs a capacitance value based on an interaction of an electric field generated by the capacitance sensor with an environment of the first pipe. The capacitance sensor outputs to the controller a given capacitance value when the capacitance sensor is at a location where the environment of the first pipe is a cross-bore intersection with the second pipe. The controller generates an indicator indicative of a presence of a cross-bore upon the capacitance sensor outputting the given capacitance value. | 2018-09-27 |
20180274359 | System and Method for Leak Detection - A method and logging tool for evaluating leakage within a wellbore. In an embodiment, a percussive hammer assembly is selectively actuated to strike the interior wall of a casing, thereby propagating a sound wave along the casing. An array of acoustic detectors are selectively recorded during short time windows based on sound propagation times from the percussive hammer assembly to each acoustic detector, thereby avoiding the need to continuously sample acoustic detectors and collecting voluminous data. A self-tuning mode may be provided to determine sound propagation times. | 2018-09-27 |
20180274360 | REAL-TIME BOTTOM-HOLE FLOW MEASUREMENTS FOR HYDRAULIC FRACTURING WITH A DOPPLER SENSOR IN BRIDGE PLUG USING DAS COMMUNICATION - A system and method for obtaining real time down hole flow measurements and proppant concentrations between perforations and/or perforation clusters during hydraulic fracturing in multistage stimulated wells. | 2018-09-27 |
20180274361 | MONITORING WATER FLOOD LOCATION USING POTENTIALS BETWEEN CASING AND CASING-MOUNTED ELECTRODES - A system for locating water floods, in some embodiments, comprises: multiple transducers for coupling to a borehole casing to inject current into a formation within which the casing is disposed; and multiple electrodes, each of the electrodes coupled to a different one of the multiple transducers when coupled to the casing, wherein each of the multiple transducers is used to determine a potential between the casing and a corresponding one of the multiple electrodes to which the transducer is coupled, wherein the potentials from the multiple transducers are used to determine a water flood location. | 2018-09-27 |
20180274362 | Communication System for an Offshore Drilling System - A communication system for an offshore drilling system includes an acoustic transceiver located at a surface location and a rotating control device (RCD) located below sea level. The RCD including a RCD acoustic transceiver configured to transmit data related to the RCD through a packer assembly located inside of the RCD and to the acoustic transceiver located at the surface location. The acoustic transceiver and the RCD acoustic transceiver are configured to wirelessly and bilaterally communicate data between the surface location and the RCD. | 2018-09-27 |
20180274363 | Controlled Pressure Pulser for Coiled Tubing Measurement While Drilling Applications - An apparatus and system for generating pressure pulses for enhancing and completing a well bore within a coiled tubing assembly including: a CT-MWD-FTD tool longitudinally and axially positioned within the center of a main valve assembly including a main valve. The drilling fluid is subsequently split into both an inlet main fluid stream and a pilot fluid stream, wherein the pilot fluid stream subsequently flows such that the pilot fluid recombines with the main flow stream to become a main exit fluid flow. The main exit fluid flow then proceeds toward a motor housing wherein one or more annular pressure sensors measure the pressure of fluid flow with sensors that send signals to a Digital Signal Processor (DSP) that controls flow throttling devices which generate controllable, large, rapid and measurable energy pulses. | 2018-09-27 |
20180274364 | Method and Device for Determining Karst Development Degree of Reservoir, Computer Readable Storage Medium and Device - The present invention relates to the technical field of well logging interpretation. The present invention provides a method for determining the karst development degree of a reservoir, a computer readable storage medium and a device, and pertains to the technical field of well logging interpretation, the method comprising: extracting vertical denudation pore features and horizontal denudation pore features from electrical imaging logging image data of a undetermined reservoir, and counting well logging feature parameters; determining karst belts of the undetermined reservoir and classifying the karst development degree according to the vertical denudation pore features, the horizontal denudation pore features and the well logging feature parameters; and determining the available reservoir development degree of the undetermined reservoir according to the karst belts and the result of the classified karst development degree. By means of classifying the karst development degree of the undetermined reservoir based on the vertical denudation pore features, the horizontal denudation pore features and the well logging feature parameters extracted from the electrical imaging logging image data, we can quickly and visually identify karst belts in a reservoir and classify the karst development degree. And the discrimination result is consistent with that of cores, which provides important technical supports for exploration and development of an oil-gas field. | 2018-09-27 |
20180274365 | TWO SPOOL GAS TURBINE ENGINE WITH INTERDIGITATED TURBINE SECTION - The present disclosure is directed to a gas turbine engine defining a longitudinal direction, a radial direction, and a circumferential direction, and wherein the gas turbine engine defines an upstream end and a downstream end along the longitudinal direction. The gas turbine engine includes a turbine section that includes a first rotating component and a second rotating component. The first rotating component includes an inner shroud and an outer shroud outward of the inner shroud in the radial direction. The outer shroud defines a plurality of outer shroud airfoils extended inward of the outer shroud along the radial direction. The first rotating component further includes at least one connecting airfoil coupling the inner shroud and the outer shroud. The second rotating component is upstream of the one or more connecting airfoils of the first rotating component along the longitudinal direction. The second rotating component includes a plurality of second airfoils extended outward in the radial direction. The first rotating component defines at least one stage of the plurality of outer shroud airfoils upstream of the second rotating component. | 2018-09-27 |
20180274366 | METHOD FOR MAKING STEEL OR TITANIUM PRODUCTS CONTAINING A PRECIPITATION-HARDENING NICKEL-BASE ALLOY, AND PART - Combining a precipitation-hardening nickel-base alloy with a steel or titanium substrate makes it very easy to repair parts, the nickel-base alloy having good erosion-resistant properties. A method for producing is disclosed. In particular for repairing, a component having a substrate, in particular turbine blades made of steel or titanium, in particular made of martensitic or precipitation-hardening chromium-rich steels, with a localized deposition weld or with an affixed shaped part, in which a precipitation-hardening nickel-based alloy is used as the localized deposition weld or as the shaped part, in which a laser powder deposition weld or an arc deposition weld is performed. | 2018-09-27 |
20180274367 | TURBOMACHINE COMPONENT ARRANGEMENT - The present invention relates to a component arrangement, in particular a rotor, for a turbomachine, in particular a gas turbine, having a first flange and a second flange with recesses that are distributed in a direction of distribution, in particular in the peripheral direction, wherein the second flange is fastened to the first flange, in particular detachably, by at least one fastener, which engage in the first of these recesses of the first and second flanges, wherein second ones of these recesses of the first flange, which are free of a fastener, are covered by the second flange. | 2018-09-27 |
20180274368 | TURBINE BLADE WITH TIP VORTEX CONTROL AND TIP SHELF - A blade for a gas turbine engine includes an airfoil which includes pressure and suction side surfaces joined at leading and trailing edges to provide an exterior airfoil surface. The airfoil extends from a 0% span position to a 100% span position at a tip. A mean chamber line is provided at the tip and extends from the leading edge to the trailing edge. The mean chamber line has a leading edge tangent line at the leading edge at the tip and a trailing edge tangent line at the trailing edge at the tip. The leading edge tangent line and the trailing edge tangent line intersect to provide a total camber angle in a range of −35° to 35°. The pressure side includes a tip shelf. | 2018-09-27 |
20180274369 | AIRFOIL COOLING - An airfoil may include an external airfoil surface and an airfoil body. The airfoil body may include an external wall structure and an internal wall structure. The external airfoil surface may be adjacent the external wall structure. The airfoil body may define a skin core that is at least partially defined by a first section of the external wall structure and a first section of the internal wall structure. The airfoil body may also define an embedded core that is at least partially defined by the first section of the internal wall structure. An embedded core heat transfer augmentation feature may be formed within the embedded core on an embedded core surface of the first section of the internal wall structure. | 2018-09-27 |
20180274370 | ENGINE COMPONENT FOR A GAS TURBINE ENGINE - An engine component for a gas turbine engine includes a film-cooled wall having a hot surface facing hot combustion gas and a cooling surface facing a cooling fluid flow. The wall includes one or more film holes that have an outlet provided on the hot surface and a contoured inlet provided on the cooling surface. A contoured portion in the cooling surface encompasses the inlets for two or more film holes in the wall. | 2018-09-27 |
20180274371 | BLADE, GAS TURBINE EQUIPPED WITH SAME, AND BLADE MANUFACTURING METHOD - An end plate of a blade has a gas path surface facing a combustion gas channel side, an end surface along an edge of the gas path surface, a plurality of channels, and a skirt hole. The plurality of channels extend along the direction of a partial end surface, which is a portion of the end surface, and are arranged in a perspective direction with respect to the partial end surface. The skirt hole opens at the partial end surface. The skirt hole communicates with an inside channel, which is the channel of the plurality of channels that is farthest from the partial end surface. | 2018-09-27 |
20180274372 | FILM AND IMPINGEMENT PLATFORM COOLING FOR SERPENTINE COOLED TURBINE BLADES - A serpentine turbine blade can include: a platform having a top surface; an air foil on the top surface of the platform; a trailing edge turnaround formed in the platform; and a filmhole formed in the platform, wherein the filmhole is connected to the trailing edge turnaround through an impingement cavity in the platform. The air foil includes an internal cooling cavity providing a coolant to the trailing edge turnaround. The impingement cavity comprises a pre-impingement cavity connected to the trailing edge turnaround, a post-impingement cavity connected to the filmhole, and an impingement slot connecting the pre-impingement cavity and the post-impingement cavity to each other. | 2018-09-27 |
20180274373 | AIRFOIL TIP POCKET WITH AUGMENTATION FEATURES - A component for a gas turbine engine includes, among other things, an airfoil that includes a pressure sidewall and a suction sidewall that meet together at both a leading edge and a trailing edge, the airfoil extending radially from a platform to a tip, a tip pocket formed in the tip and terminating prior to the trailing edge, and one or more heat transfer augmentation devices formed in the tip pocket. | 2018-09-27 |
20180274374 | BLADE COMPRISING A LEADING EDGE SHIELD AND METHOD FOR PRODUCING THE BLADE - The invention provides a blade ( | 2018-09-27 |
20180274375 | BLADE COMPRISING A FOLDED LEADING EDGE SHIELD AND METHOD OF MANUFACTURING THE BLADE - A blade including a blade body made of organic matrix composite material and a leading edge shield made of a material that withstands point impacts better than the composite material of the blade body. The blade includes a blade tip. The leading edge shield is assembled on the blade body and includes a pressure-side fin and a suction-side fin. The pressure-side fin includes a pressure-side tab and the suction-side fin includes a suction-side tab, the pressure-side tab and the suction-side tab are folded one on the other and being secured to each other so as to form a partial covering of the blade tip. A turbojet includes a fan including such blades, and also a method of fabricating such a blade. | 2018-09-27 |
20180274376 | DIFFUSER-DESWIRLER FOR A GAS TURBINE ENGINE - A diffuser-deswirler for a gas turbine engine is provided. The diffuser-deswirler includes an inner shell and an outer shell spaced apart and configured for receiving a flow of compressed air from a compressor of a gas turbine engine. A plurality of vanes extend between the inner shell and the outer shell to define a plurality of fluid passageways and a splitter extends along the circumferential direction between adjacent vanes to split the flow of compressed air passing through the each fluid passageway. All of these components are manufactured as a single monolithic piece and are configured for diffusing and deswirling compressor air before passing it to a combustor for an improved combustion process. | 2018-09-27 |
20180274377 | BLOCKAGE-RESISTANT VANE IMPINGEMENT TUBES AND TURBINE NOZZLES CONTAINING THE SAME - Vane impingement tubes having blockage deterrent features are provided, as turbine nozzles containing blockage-resistant vane impingement tubes. In an embodiment, the turbine nozzle includes inner and outer annular endwalls, and turbine nozzle vanes arranged in an annular array between the outer and inner annular endwalls. Vane impingement tubes are inserted into the turbine nozzle vanes. The vane impingement tubes each includes a tube body, an impingement outlet formed in the tube body and configured to discharge airflow for impingement against one of the turbine nozzle vanes, a first flow-turning feature located in the tube body, and an inlet formed in the tube body and configured receive cooling airflow in a substantially radial direction. The first flow-turning feature is shaped and positioned to turn the airflow received through the inlet in a substantially axial direction, which is perpendicular to the radial direction, prior to discharge through the impingement outlet. | 2018-09-27 |
20180274378 | METHOD OF MANUFACTURE - A method of manufacturing a component comprises forming a body of the component using additive layer manufacturing. During formation of the body, layers of the material are arranged so that the body has a surface roughness greater than or equal to 100 μm. The method further comprises coating the body with a coating. | 2018-09-27 |
20180274379 | SCAVENGE TUBE FOR A GAS TURBINE ENGINE - A scavenge tube for conveying oil within an engine. The scavenge tube includes an outer tube and an inner tube. The outer tube defines a first surface and the inner tube defines a second surface. The inner tube is configured to be fluidly connected to a source for oil. A space that is defined between the outer tube and the inner tube such that the first surface opposes the second surface. A plurality of bumps is positioned within the space such that each bump extends from one of the first surface and the second surface and extends toward the opposing surface. | 2018-09-27 |
20180274380 | SEAL ON THE INNER RING OF A GUIDE VANE - A guide vane assembly according to the invention comprises an inner ring, on whose radially outer surface an uptake channel runs in the peripheral direction; a plurality of bearing members, which are arranged in the uptake channel of the inner ring; a plurality of guide vanes, each of which is inserted by its radially inner end into one of the bearing members; and at least one sealing element for sealing at least one gap between the inner ring and at least one of the bearing members and/or between two bearing members. A turbomachine according to the invention comprises a guide vane assembly according to the invention. A method according to the invention serves for the installation of a guide vane assembly. | 2018-09-27 |
20180274381 | GAS TURBINE ENGINE COMPONENT INCORPORATING A SEAL SLOT - A turbine engine component includes: a body bounded by an end face; and a seal slot having an opening communicating with the end face, the seal slot including a receptacle defining a boundary configured to receive and position a spline seal, and an open chamber communicating with the seal slot and extending beyond the boundary. | 2018-09-27 |
20180274382 | TURBINE ENGINE ASSEMBLY WITH TUBULAR LOCATING INSERTS - An assembly for a gas turbine engine includes a carrier and a supported component comprising ceramic matrix composite materials. The supported component includes an annular runner and a plurality of inserts that extend radially outward away from the annular runner. The inserts extend into the carrier to couple the supported component with the carrier. | 2018-09-27 |
20180274383 | OPTIMIZATION OF GAS TURBINE POWER PLANT RESPONSE DURING POWER SYSTEM TRANSIENTS - The disclosure relates to optimization of gas turbine power plant response during power system transients. In certain embodiments, systems, methods, and apparatus can control a power generating system by using the reactive components of the current and the reactive components of the voltage and the magnitude of the voltage at the generator terminals of a gas turbine generator system. In one embodiment, a system can identify a power system fault based on at least three conditions occurring for a specified duration and at substantially the same time: (1) an increase in the reactive current, (2) a decrease in the magnitude of the voltage, and (3) an increase in the reactive power. In one embodiment, a power system can further detect a remote breaker open (RBO) condition, and distinguish a RBO condition from a power system fault condition. | 2018-09-27 |
20180274384 | SENSOR AND HOUSING DESIGN FOR IN-LINE FLUID MONITORING - A working fluid monitoring system for monitoring a working fluid of a working fluid system of a piece of equipment. The working fluid monitoring system can include a housing member having a working fluid passage for receiving the working fluid therein and a sensor in operable communication with the working fluid within the working fluid passage of the housing member configured to monitor in situ the working fluid and output a sensor signal. The working fluid monitoring system can be quickly and conveniently retrofitted to existing machinery for in situ monitoring, detecting, testing, and/or validating of a working fluid, such as oil, hydraulic fluid, and the like. | 2018-09-27 |
20180274385 | GAS TURBINE BLADE FLUTTER MONITORING AND CONTROL SYSTEM - A flutter control system for a turbine includes a processor. The processor is configured to detect blade flutter of a turbine. The blade flutter indicates that blades of the turbine are in a deflected position different from a nominal operating position. The processor is configured to control operational parameters of the turbine that reduce or eliminate the blade flutter to improve the reliability and efficiency of the turbine. | 2018-09-27 |
20180274386 | Gas Turbine Engine - A pressure relief arrangement for a gas turbine engine comprises a hinged door and a mount spaced from the door. An expandable structure is connected to the door and to the mount such that when the door hinges open the expandable structure expands. | 2018-09-27 |
20180274387 | ENGINE SHAFT ASSEMBLY AND METHOD - An engine shaft assembly for an engine is provided. The engine shaft assembly includes a shaft and a thermal distribution layer. The thermal distribution layer is provided on the shaft, and is configured to minimize the effect of distortion of the shaft caused by asymmetric cooling on shutdown of the engine. | 2018-09-27 |
20180274388 | OIL SEAL STRUCTURE AND COMPRESSING APPARATUS INCLUDING THE SAME - An oil seal structure and a compressing apparatus including the oil seal structure are provided. The oil seal structure includes a rotating shaft, a bearing, a lower housing portion, an upper housing portion, an assembly surface seal member inserted into a first assembly surface seal groove, and an oil seal member provided in a first seal groove and a second seal groove and including a flange portion, wherein a lower oil receiving portion is formed in the lower housing portion, a first passage groove is formed in the first seal groove, and an oil passage is formed between a bottom surface of the first passage groove and the flange portion. | 2018-09-27 |
20180274389 | TURBOMACHINE HAVING A MOUNTING ELEMENT - A to turbomachine ( | 2018-09-27 |
20180274390 | BOWED ROTOR PREVENTION SYSTEM - A bowed rotor prevention system for a gas turbine engine includes a bowed rotor prevention motor. A motor shaft of the bowed rotor prevention motor is operable to drive rotation of the gas turbine engine through an engine accessory gearbox. The motor shaft interfaces with an air turbine operable to rotate an output shaft mechanically linked to the engine accessory gearbox. The bowed rotor prevention system also includes a controller operable to engage the bowed rotor prevention motor and drive rotation of the gas turbine engine below an engine starting speed until a bowed rotor prevention threshold condition is met. | 2018-09-27 |
20180274391 | SYSTEMS AND METHODS FOR OPERATING A COMBINED CYCLE POWER PLANT - Embodiments of systems and methods described in this disclosure are directed to operating a combined cycle power plant. In certain embodiments, systems and methods can be provided for a combined cycle power plant incorporating a control system that uses a holistic approach to continuously and automatically adjust a heat rate of the combined cycle power plant and achieve a desired efficiency. In accordance with one embodiment of the disclosure, the control system can be used to dynamically control various operations of the combined cycle power plant, including addressing of certain conflicting requirements such as avoiding generation of superheated steam in an attemperator while concurrently maintaining exhaust emissions within allowable regulatory limits and maintaining exhaust gas temperatures within allowable material capability limits. The use of such a control system allows for an increased turndown capability of the combined cycle power plant along with an improvement in a combined cycle heat rate of the combined cycle power plant. | 2018-09-27 |
20180274392 | THERMAL ENERGY RECOVERY DEVICE - A thermal energy recovery device ( | 2018-09-27 |
20180274393 | INTERNAL COMBUSTION ENGINE SYSTEM - At crank angle CA | 2018-09-27 |
20180274394 | DOHC-TYPE INTERNAL COMBUSTION ENGINE - In a DOHC-type internal combustion engine in which a pair of intake valves and a pair of exhaust valves are disposed around a plug hole, and two pairs of rocker arms are respectively interposed between intake-side and exhaust-side camshafts and the intake valves and the exhaust valves, first and second support portions of one pair of the rocker arms are disposed between the intake valves and the exhaust valves in a direction orthogonal to axes of the intake-side and exhaust-side camshafts and around the plug hole, and the third and fourth support portions of an other pair of the rocker arms are disposed outside a region between the intake valves and the exhaust valves in the direction orthogonal to the axes of the intake-side and exhaust-side camshafts. | 2018-09-27 |
20180274395 | Valve Clearance Setting and Adjustment Systems and Related Methods - Aspects of the present disclosure are directed to valve clearance adjustment systems and related methods that can be used to quickly and easily establish and accurately fix a desired gap between valve stems and associated valve adjustment screws attached to rocker arms, such as may be used with intake valves, exhaust valves, and fuel-injection mechanisms, among others, within, e.g., an internal combustion engine. Various alternative implementations and related methods are provided. | 2018-09-27 |
20180274396 | VALVE DRIVE FOR AN INTERNAL COMBUSTION ENGINE - A valve drive for an internal combustion engine may include a camshaft, at least one cam follower, at least one adjusting device, and at least one control shaft. The camshaft may include at least one cam group. The at least one cam group may include a first cam and a second cam. The at least one cam follower may be drive-connected to the first cam in a first position and to the second cam in a second position. The at least one adjusting device may include a first adjustable engagement element and a second adjustable engagement element. alternately adjustable between a basic position and a switching position. The at least one control shaft may include at least one control element group including a first control element and a second control element adjustable to a switching element position and to a basic element position. | 2018-09-27 |
20180274397 | DEVICE AND METHOD FOR FAST POSITION CONTROL OF A HYDRAULIC ACTUATOR - A method, control system, and variable valve timing system are provided for controlling an actuator that can be switched into an on state and an off state with pulse width modulation. The systems and method include controls configured to determine an actual system parameter on a first time schedule and a desired system parameter on a second time schedule. On a third time schedule, a position error difference between the actual system parameter and the desired system parameter is determined. The third time schedule is configured to begin and to determine the position error difference each time that the actual system parameter is determined and each time that the desired system parameter is determined. A desired duty cycle is determined, and a duty cycle command is sent to a pulse width modulation output unit. | 2018-09-27 |
20180274398 | VARIABLE VALVE TIMING CONTROL DEVICE - A variable valve timing control device includes a valve unit including a spool having a plurality of land portions at an outer circumference of the spool, and being formed with a drain flow path inside the spool. The valve unit allows a second pump port and a lock port to communicate with each other in a case where the spool is set at an unlock position where a lock state of a lock mechanism is released, and the valve unit closes the second pump port with the land portion of the spool and allows the lock port to communicate with the drain flow path in a case where the spool is set at a lock position where the lock mechanism is allowed to be shifted in the lock state. | 2018-09-27 |
20180274399 | CAMSHAFT CENTERING IN THE SPLIT ROTOR OF A HYDRAULIC CAMSHAFT ADJUSTER - A camshaft adjuster ( | 2018-09-27 |
20180274400 | CAM SHAFT FOR A CAM SHAFT ARRANGEMENT - A cam phaser for a cam shaft arrangement including an inner cam shaft and an outer cam shaft arranged concentrical relative to the inner cam shaft, the cam phaser including at least one rotor; at least one stator; and at least one compensation element configured to compensate axial and/or radial and/or angular tolerances, wherein the stator is connectable torque proof at least indirectly through a drive gear with the outer cam shaft and the rotor is connectable torque proof with the inner cam shaft, wherein the drive gear is separate from the stator and attachable torque proof at the outer cam shaft, wherein the stator is rotatably supportable on the inner cam shaft, wherein plural compensation elements are provided which are arranged evenly distributed in a circumferential direction, wherein the compensation elements are configured torsion stiff in the circumferential direction and attached between the stator and the drive gear. | 2018-09-27 |
20180274401 | VALVE FOR INTERNAL COMBUSTION ENGINES HAVING A GUIDE VANE FOR COOLANT - An internally cooled inlet or outlet valve for internal combustion engines, has a valve disc, a valve stem and a cavity inside the valve stem and the valve disc. A coolant is arranged in the cavity, wherein the cavity is provided with at least one guide vane for the coolant. | 2018-09-27 |
20180274402 | Valve Cover Extension Tube with Integrated Sensor - A tube assembly for monitoring a fluid dispensed into a fluid fill port is disclosed. The tube assembly may include a tube body disposed between a first and second open end. A locking portion including a circumferential groove may be defined adjacent to the first open end and a fill portion may be defined at the second open end of the tube body. An aperture may extend through an outer surface of the tube body and a sensor may be inserted into the aperture such that at least a portion of the sensor is positioned within the interior portion of the tube body. The sensor may be configured to monitor at least one fluid characteristic of the fluid that is dispensed into the tube assembly and flows into the fluid fill port. | 2018-09-27 |
20180274403 | VALVE DRIVE FOR AN INTERNAL COMBUSTION ENGINE - A valve drive for an internal combustion engine may include a cam shaft, at least one cam follower, at least one adjusting device, and at least one control shaft. The cam shaft may include at least one cam group that may include a first cam and a second cam The at least one adjusting device may include a first adjustable engagement element and a second adjustable engagement element. The at least one control shaft may include at least one control cam group that may include a first control cam and a second control cam. The first control cam may include a cam lobe corresponding to the first engagement element and the second control cam may include a cam lobe corresponding to the second engagement element. The at least one control shaft may be rotatable about a longitudinal axis between a starting position and a rotational position. | 2018-09-27 |
20180274404 | VALVE DRIVE FOR AN INTERNAL COMBUSTION ENGINE - A valve drive for an internal combustion engine may include a camshaft, at least one cam follower, at least one adjusting device, and at least one control shaft. The camshaft may include at least one cam group including a first cam and a second cam. The at least one adjusting device may include a first engagement element and a second engagement element. The at least one control shaft may include at least one control cam group including a first control cam and a second control cam. The at least one control shaft may rotate such that at least one stop region of the first control cam adjusts the first engagement element from the basic position into the switching position and at least one stop region of the second control cam adjusts the second engagement element from the basic position into the switching position one after the other. | 2018-09-27 |
20180274405 | CONTROL DEVICE AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE - A control device for an internal combustion engine including a piston, an oil jet configured to inject oil toward the piston, and an actuator configured to adjust a supply flow rate of the oil to the oil jet. The control device includes an electronic control unit configured to control the actuator such that the supply flow rate under the same engine load and the same engine rotation speed increases as a degree of deterioration of the oil increases. | 2018-09-27 |
20180274406 | Thermal Management Unit for Vehicle Powertrain - A thermal management unit for a vehicle powertrain includes an integrated oil heater, a control valve, and a pressure relief valve. A remote oil cooler is connected to fluid ports of the thermal management unit. Transmission oil is received into the thermal management unit and is directed to one or both of the transmission oil heater and the transmission oil cooler. A portion of the flow of oil can be internally bypassed through the pressure relief valve to maintain the pressure of the oil below a threshold. The flow of oil is directed through the control valve after having been heated and/or cooled, and the proportions of oil being directed through the oil heater and the oil cooler are determined by the temperature of the oil in the control valve. | 2018-09-27 |
20180274407 | CAM JOURNAL LUBRICANT SUPPLY MECHANISM FOR ENGINE - An oil supply path passes through members separate from a cylinder head ( | 2018-09-27 |
20180274408 | Fluid Method and System - A method for controlling fluid distribution in a fluid circulation system associated with an engine, the fluid circulation system being coupled to a replaceable fluid container comprising a fluid supply port configured to couple to a fluid supply line of the fluid circulation system, and a fluid return port configured to couple to a fluid return line of the fluid circulation system, and a breather port configured to couple to a breather output of the fluid circulation system, the method comprising causing the fluid to flow into the replaceable fluid container from the fluid circulation system whilst inhibiting outflow of the fluid from the replaceable fluid container into the fluid circulation system, so as to collect the fluid in the replaceable fluid container, and related apparatus configured to control fluid distribution in a fluid circulation system associated with an engine, and causing a gas to flow from the replaceable fluid container through the breather port whilst inhibiting outflow of the fluid from the replaceable fluid container into the fluid circulation system. | 2018-09-27 |
20180274409 | BI-DIRECTIONAL FLUIDIC PCV VALVE ASSEMBLY AND SYSTEM - Provided is a bi-directional PCV valve assembly, system and method. The bi-directional PCV valve may include a fluidic geometry that allows for a flow of fluid a high flow rate in one direction, forward flow, and a low flow rate in the opposite direction, reverse flow. The reverse flow includes a swirling flow that increases the pressure drop and reduces the flow rate to a third of the flow rate of the forward flow. The disclosed assembly produces a strong swirling flow (vortex) in the reverse direction and an efficient (low pressure drop) flow in the forward direction. | 2018-09-27 |
20180274410 | MULTI-STAGE JET SUCTION PUMP - The invention relates to a multi-stage jet suction pump for aspirating blow-by gases from internal combustion engines. | 2018-09-27 |
20180274411 | FLUIDIC PCV VALVE ASSEMBLY AND SYSTEM - Provided is a PCV valve assembly that includes a fluidic geometry that allows for the flow of combustion fluid/gas to flow between an inlet and an outlet and switch between two modes of operation, (i) a radial or high flow mode, and (ii) a tangential or low flow mode, as dictated during the operation of the engine. At low vacuums, the fluidic equipped PCV valve assembly has been tuned to operate in the radial mode producing high flow rates due to low flow resistance. As vacuum increases, the PCV valve assembly is tuned to automatically switch modes. This may be enabled due to the shape of the fluidic geometry and the bypass channel which is adapted to vary the amount of flow between a first and a second control ports. The bypass channel allows the geometric fluidic pattern to switch between the high flow mode and the low flow mode. | 2018-09-27 |
20180274412 | EXHAUST SYSTEM FOR VEHICLE - An exhaust system comprises a pipe disposed in a vehicle, and a resonator and a muffler, both of which are combined together and have inner chambers communicating with each other and commonly disposed on the pipe. The exhaust system further has a support unit capable of restricting vibration amplitudes of the resonator and the muffler relative to the vehicle. Thus, the exhaust system effectively solves the problem that a welding portion of the conventional exhaust system tends to break, and prevents the combustion and horse power from encountering the nonessential influence. | 2018-09-27 |
20180274413 | METHODS AND SYSTEMS FOR A DIESEL OXIDATION CATALYST - Methods and systems are provided for a diesel oxidation catalyst. In one example, the diesel oxidation catalyst comprises a washcoat with different catalytically active portions for reacting with one or more of carbon containing compounds and NO | 2018-09-27 |