39th week of 2013 patent applcation highlights part 43 |
Patent application number | Title | Published |
20130251468 | Polygonal Turning Insert - Polygonal turning insert has a cutting edge including three part edges, a nose edge and two main edges, and chip-guiding flank surfaces for each part edge, a primary flank surface, and secondary flank surfaces. The primary flank surface is convexly arched and delimited by an arched lower boundary line, which has an apex point facing the nose edge and is situated along a bisector between the main edges, and includes two mirror-symmetrical arc part lines extending from the apex point to a pair of opposite end points situated along a reference line intersecting the bisector at a midpoint between the end points. The distance between the midpoint and the individual end points is greater than that between the midpoint and the apex point. An angle of inclination of the primary flank surface decreases from a greatest value in a bisector section to a smallest value in a reference line section. | 2013-09-26 |
20130251469 | DOUBLE-SIDED METAL OF DRILLING ENTRY BOARD - A double-sided metal drilling entry board for drilling comprises a metal bottom layer, a soft metal surface layer and a binding layer, in which the binding layer is disposed between the metal bottom layer and the soft metal surface layer to bind the metal bottom layer and the soft metal surface layer. | 2013-09-26 |
20130251470 | DRILLING DEVICE FOR DRILLING SIDE PORTIONS OF LARGE SECTION MEMBERS - A device for drilling side portions of large section members, the device being arranged in a cutting system for cutting individual section member lengths, starting from a long section member, comprises a base thereon swinging support arms extend, the support arms being arranged with a V pattern enclosing an angle (α), each support arm including a plurality of sliding rollers for causing the section member to slide thereon, the swinging arms including guides slidably supporting a controllably driven carriage operatively connected to a threaded screw, each threaded screw being operatively connected to a controllable motor, each carriage having a movable arm which may be controllably displaced along guides and comprising parallel guides engaging a drilling assembly operatively coupled to a driving shaft, each driving shaft being operatively connected to a corresponding controllable motor. | 2013-09-26 |
20130251471 | CUTTING TOOL HAVING REPLACEABLE CUTTING INSERT AND REPLACEABLE CUTTING INSERT THEREFORE - A rotary cutting tool includes a replaceable cutting tip having a cutting portion structured to perform cutting operations on a workpiece and a first threaded portion disposed generally opposite the cutting portion. The cutting tool further includes a generally cylindrical tool body disposed about a central longitudinal axis. The tool body has a first end portion adapted to be coupled to a machine tool and an opposite second end portion having a second threaded portion cooperatively engaged to the first threaded portion. The second threaded portion is moveable with respect to the tool body in a manner that selectively couples the cutting tip to the tool body. | 2013-09-26 |
20130251472 | METHOD OF REMOVING END-SURFACE BURR OF FORMED GROOVE AND FORMED ROTARY CUTTING TOOL FOR CHAMFERING - A method of removing an end-surface burr of a formed groove cut into a workpiece by rotationally driving around an axial center and moving a formed rotary cutting tool relative to the workpiece in a direction orthogonal to the axial center, by using a formed rotary cutting tool for chamfering acquired by deforming a radial shape of the formed rotary cutting tool used in cutting of the formed groove according to a predefined chamfer angle, and by rotationally driving around an axial center and moving the formed rotary cutting tool for chamfering relative to an end surface of the formed groove in a direction perpendicular to the axial center along an axial center movement locus forming the chamfer angle relative to an axial center movement locus of the formed rotary cutting tool in the cutting of the formed groove, chamfering for removing a burr on the end surface is performed. | 2013-09-26 |
20130251473 | LOCKING DEVICE FOR CONTAINERS - A locking device ( | 2013-09-26 |
20130251474 | E-TRACK CONNECTOR - An improved e-track connector, or lockdown, is presented that can be installed in single locations instead of provided in tracks as in the industry. It also possesses a finished slot that accepts logistics straps buckles. The slot is a complete rectangle with no excess material folded under it and has been deburred and finished smooth. The device also possesses a drain slot along the side of the tang and drain holes in the buckle receiver such that liquid will drain out of the connector when it is mounted horizontally. | 2013-09-26 |
20130251475 | DEVICE FOR FASTENING DOOR OR FLAP HINGES OR OTHER ELEMENTS TO THE DOORS OR FLAPS OR TO THE BODYWORK OF MOTOR VEHICLES - A device for fastening side impact supports, and door or flap hinges ( | 2013-09-26 |
20130251476 | SCREW HAVING A SCREW HEAD, A SCREW SHANK AND A CORRUGATED CONICAL FLANGE - The invention relates to a screw having a screw head ( | 2013-09-26 |
20130251477 | Staple Strip for Fastening Insulating Panels to Wooden Supports - A staple strip having a plurality of staples connected together for fastening insulating panels to wooden supports, wherein
| 2013-09-26 |
20130251478 | METHOD OF PROCESSING TITANIUM - Disclosed is a method for manufacturing titanium-alloy articles that includes, before machining, heat treating a slug of titanium-alloy at a temperature sufficient to form a layer of alpha case on the surface of the slug of titanium-alloy, then, after heat treating, machining the slug of titanium-alloy to form a finished part while removing material from all surfaces of the slug of titanium-alloy. | 2013-09-26 |
20130251479 | Method and Apparatus for Handling Packages - A vending machine, In a method and apparatus for handling a package in an automated dispensary, a package is positioned in an inspection station of the dispensary. Images are captured of the package and are read to identify data on labels or on the package itself. The data is encoded as source data in an identifying label which is applied to the package and is used subsequently in handling the package for dispensing and other inventory management procedures. | 2013-09-26 |
20130251480 | System for Unloading Items - A system for unloading inventory items includes an inventory holder, an unloading station, and a mobile drive unit. The inventory holder stores inventory items. The unloading station includes a barrier that is operable to prevent inventory items from moving past the barrier as the inventory holder moves past the barrier. The mobile drive unit is operable to move the inventory holder toward the unloading station and to move the inventory holder past the barrier. | 2013-09-26 |
20130251481 | VEHICLE SHUTTLE - A vehicle shuttle car operable to travel in linear and lateral directions includes a low profile cart including a steerable front section and a rear section, the front section operable to turn left and right relative to the rear section. The rear section is operable to raise and support at least one tire of a vehicle off the ground. | 2013-09-26 |
20130251482 | POSITIONING CONVEYOR, WAREHOUSE SYSTEM, AND METHOD FOR RECEIVING PIECE GOODS FROM A CONVEYOR - A positioning conveyor including an input section and a receiving section. The input and receiving sections define a conveyor line along which piece goods can be transported. The input section includes a length measuring device for measuring a length of a piece good which is to be received from a load-handling device of a storage and retrieval device and which is to be delivered to a rack. The receiving section includes a location-detector pair that defines a receiving location on the positioning conveyor and includes a first location detector and a second location detector. The detectors are spaced apart such that a conveying velocity of the conveyor line, after the upstream detector has detected a leading edge of the piece good, can be reduced so that the piece good, as soon as the leading edge is detected by a downstream detector, is immediately stopped at the downstream detector. | 2013-09-26 |
20130251483 | STORAGE APPARATUS - A storage apparatus includes: a storage member provided with a pair of first rail members, extending along a horizontal direction, on both side faces thereof; a storage rack; a carrying mechanism to carry the storage member placed thereon in the horizontal direction to a storage location of the storage rack; and a pair of walls, provided so as to be opposed to the side faces of the storage member, respectively, having a pair of second rail members, extending in the horizontal direction, provided on side faces thereof opposed to the pair of first rail members, respectively, in a state where the storage member is stored in the storage rack, the storage member being guided to the storage rack with the pair of first rail members being supported by the pair of second rail members, when the carrying mechanism is moved in the horizontal direction toward the storage rack. | 2013-09-26 |
20130251484 | Grain cart having an inclined folding unloading auger conveyor with an askewed flow control spout - A grain cart has a wheel supported container with an inclined auger unloading conveyor having an inclined lower section positioned to receive grain from the container and an upper section supported for folding movement between a stored position adjacent the container and an inclined discharge position projecting upwardly, forwardly and laterally outwardly from the left side wall of the container. The upper section of the auger conveyor has a tubular housing with an askewed discharge spout supporting a pivotable flow control spout for tilting movement on a horizontal axis extending parallel to the left side wall of the container for discharge of grain laterally across an open top rectangular semi-trailer within a vertical plane perpendicular to the left side wall of the cart. The flow control spout is tilted by a remotely controlled actuator for filling and topping off the semi-trailer including all four corner portions of the trailer. | 2013-09-26 |
20130251485 | Self-Contained Auxiliary Collection System for a Refuse Truck - There is disclosed a self-contained cart-tipping system for residential applications that can be installed on a variety of refuse collection truck types, including front loading, side loading and rear loading models. The cart tipper system of the invention includes independent hydraulic and electrical systems and needs only to be served by a source of electric power. | 2013-09-26 |
20130251486 | LOG HANDLER - A log handler having a front arch and a rear arch each fitted with two wheels. The arches are connected with a plurality of cross braces and parallel braces hinged at their ends in a manner to allow all four wheels to follow the surface of uneven terrain. | 2013-09-26 |
20130251487 | Transport Device - A transport device having a removable bucket. The bucket includes one or more tracks on opposite sides. The transport device includes a frame assembly having one or more arms corresponding to and capable of engaging the tracks. It also includes one or more movement mechanisms such as wheels or tracks. A latching assembly is also included. The latching assembly is rotatably coupled to the frame assembly and is also coupled to a handle assembly. | 2013-09-26 |
20130251488 | Vehicle Lift - A vehicle lift for a load, such as a wheelchair. The whole lift is movable between a retracted position and an extended position that comprises a support pillar, a platform, and a lifting device. The platform is connected pivotably to the support pillar and has a horizontal pivot axis such that the platform is pivotable about the horizontal axis. The lifting device is hingedly connected to the support pillar and is configured for lifting and lowering the support pillar with the platform between the retracted position and the extended position. The support pillar is one piece and has a curved configuration along the longitudinal axis. | 2013-09-26 |
20130251489 | VEHICLE LIFT WITH BIASING DEVICE - A vehicle lift for a load, such as a wheelchair. The whole lift is movable between a first retracted position and a second extended position comprising a support pillar, a platform, a lifting device, and a biasing element. The platform is connected pivotably to the support pillar and has a horizontal pivot axis such that the platform is pivotable about the horizontal axis. The lifting device is hingedly connected to the support pillar and is configured for lifting and lowering the support pillar with the platform between the retracted position and the extended position. The biasing device biases the platform in to the second extended position and acts upon the region of the hinged connection between the platform and the support pillar. | 2013-09-26 |
20130251490 | WORKING MACHINE - A working machine rendered to change in setting a maximum value of an absorption torque of hydraulic pump to a rather high value when the working machine is in a specified state, solves problems that, when an operation lever is being operated in an intermediate position of a lever stroke, there occurs a swinging in a machine body due to change-over of a maximum absorption torque setting value so that the operation lever is relatively moved with respect to the machine body to exert an influence on operability and the machine body acting violently. When the maximum absorption torque setting value is E2 position which is good fuel efficiency, upon detection of a full operation of either one or both of the travelling operation member and the boom operation member, controlling to automatically switch to E1 position of a maximum absorption torque larger than that of E2 position is performed. | 2013-09-26 |
20130251491 | Pipe Handling Apparatus - The invention relates in general to pipe handling apparatus to position pipe through a range of horizontal and vertical positions. In one embodiment a pipe handling apparatus comprises a longitudinal base having a longitudinal axis, a boom carrying member slidably mounted to the longitudinal base for axial movement there-along, member actuating means operable to move the boom carrying member axially relative to the longitudinal base, a boom supported by the boom carrying member, the boom having a trough adapted for receiving at least one section of pipe therein and boom actuating means operable to raise and lower the boom. | 2013-09-26 |
20130251492 | Transferring Apparatus for Glass Substrate - This invention discloses a transferring apparatus for transferring a glass substrate from a cartridge in case the glass substrate disposed therein is damaged or defective. The transferring apparatus includes a chassis, and a conveying device. The conveying device includes a frame and a plurality of transferring rods arranged in a common plane and along a longitudinal direction. A first driving device disposed on the chassis and is interlinked with the conveying device. The first driving device moves the frame along the first horizontal direction such that the frame can be moved in and out from the cartridge to carry the damaged glass substrate. The driving device further drives the transferring rods to rotate centered with its own axis. By the provision of the transferring apparatus, a damaged or defective glass substrate can be properly transferred out of the cartridge without damaging adjacent glass substrate. This can be performed automatically so as to increase the efficiency, while reducing labors. | 2013-09-26 |
20130251493 | STACKING DEVICE AND AIR PURIFICATION SYSTEM THEREOF - The present invention discloses a stacking device and an air purification system thereof. The stacking device includes vertically arranged stacking arms and a manipulator mechanism provided on the stacking arms; the stacking arms forming an axially extending duct and comprising first airflow driving devices; the duct forming air inflow openings that are in communication with an outside space of the stacking arms and an air outflow opening arranged at a lower end of the stacking arms; wherein the first airflow driving devices draw in air of the outside space of the stacking arms through the air inflow openings of the duct and drive air inside the duct to flow downward to be discharged through the air outflow opening of the duct to the lower end of the stacking arms. | 2013-09-26 |
20130251494 | WH (WAFER-HOLDER) PROCESS - A stacking apparatus that stacks chip assemblies each having a plurality of chips disposed continuously with circuit patterns and electrodes, includes: a plurality of stages each allowed to move arbitrarily, on which the chip assemblies are placed; a storage unit that stores an estimated extent of change in a position of an electrode at each chip, expected to occur as heat is applied to the chip assemblies placed on the plurality of stages during a stacking process; and a control unit that sets positions of the plurality of stages to be assumed relative to each other during the stacking process based upon the estimated extent of change in the position of the electrode at each chip provided from the storage unit and position information indicating positions of individual chips formed at the chip assemblies and controls at least one of the plurality of stages. | 2013-09-26 |
20130251495 | METHOD FOR DEPOSITING SHEET-LIKE OBJECTS AND AN ASSEMBLY FOR CARRYING OUT SAID METHOD - The invention relates to a method for depositing leaf-shaped objects ( | 2013-09-26 |
20130251496 | POWER ASSIST DEVICE, METHOD OF CONTROLLING POWER ASSIST DEVICE, AND PROGRAM OF POWER ASSIST DEVICE - A power assist device includes: holder holding a workpiece; a pair of wires each having one end connected to the holder to suspend the holder; a pair of wind-up wheels winding up respective other ends of the wires; a pair of motors rotationally driving the respective wind-up wheels; a pair of rotation detectors detecting rotation information of the respective motors; a pair of torque detectors detecting drive torque in the respective motors; and controller controlling drive of the motors. The controller calculates operating force to the workpiece based on the rotation information detected by the rotation detectors and the drive torque of the motors detected by the torque detectors, and controls the motors to assist the operating force that is calculated, to move up and down the holder. | 2013-09-26 |
20130251497 | APPARATUS AND METHOD FOR ENGAGING AND HANDLING ARTICLES OF MANUFACTURE - Apparatus and method for engaging an article. The apparatus has a base portion, an end portion disposed adjacent the base portion. The end portion is moveable in relation to the base portion generally along the longitudinal centerline. One or more bands are joined to and extend between the base portion and the end portion. At least one of the bands bends away from the longitudinal centerline when the end portion is moved toward the base portion from the disengaged configuration to the activated configuration. | 2013-09-26 |
20130251498 | METHOD FOR POSITIONING LOAD AND FETCHING POSITIONED LOAD OR STACKING LOADS WITH CRANE - A method positions a load and fetches a positioned load or stacks loads with a crane having location measurement arranged thereto. The method includes taking a load to a selected position; detecting the unloading of the load mainly automatically; storing coordinate information of the load position mainly automatically into the memory of the crane or its control; when fetching a load or adding loads to a stack, activating, at a selected first time instant, a positioning switch arranged in the crane and connected to the memory, whereby coordinates of a load or stack most advantageously positioned relative to the movement of the crane are selected, after which the crane begins to move to said coordinates; and then hoisting or lowering the load at the selected coordinates, and at a selected second time instant, deleting the coordinate information associated with the position of the load from the memory. | 2013-09-26 |
20130251499 | ENERGY EXTRACTION DEVICE AND OPERATING METHOD - The invention provides a method of operating an energy extraction device such as a wind turbine comprising a hydraulic pump driven by and applying torque to a rotating shaft, a hydraulic motor driving a load, a high pressure manifold in fluid communication with an outlet of the hydraulic pump and an inlet of the hydraulic motor and being selectively placed in fluid communication with a fluid accumulator, at least one low pressure manifold in fluid communication with an outlet of the hydraulic motor and an inlet of the hydraulic pump, at least one of the hydraulic pump or hydraulic motor is a digital hydraulic machine, characterised by interrupting fluid communication between the fluid accumulator and the high pressure manifold responsive to detection of a fault event. | 2013-09-26 |
20130251500 | GAS TURBINE ENGINE CASE WITH HEATING LAYER AND METHOD - An assembly of a rotor and case for a gas turbine engine comprises a rotor having a plurality of circumferential blades each with a blade tip. A case comprises a structural layer forming an annular body receiving therein the rotor, with a tip clearance being defined between the blade tips and the annular body, and a heating layer connected to the at least one structural layer. The heating layer has a resistivity to heat the structural layer when an electric current passes through the heating layer. An electric power source supplies current to the heating layer, the heating layer configured to in use change the diameter of the annular body to adjust the tip clearance. A method for adjusting a tip clearance between blade tips of a rotor and inner surface of a case in a gas turbine engine is also provided. | 2013-09-26 |
20130251501 | METHOD AND PURGE APPARATUS FOR PREVENTING DEFORMATION OF CHAMBER OF GAS TURBINE, AND GAS TURBINE PROVIDING PURGE APPARATUS - In this method of preventing deformation in a turbine casing of a gas turbine, in a turbine casing | 2013-09-26 |
20130251502 | Method and Apparatus for Sensing of Levitated Rotor Position - A pump with magnetically-levitated rotor includes a position sensor having an eddy-current sensor coil that operates as a resonating element in a low frequency oscillator located within the pump housing. The oscillator is operably interconnected with additional electronics that shift the frequency of the oscillator output signal to a lower frequency. The lower frequency signal is directed to a frequency measurement circuit that provides a value representing a position of the rotor. | 2013-09-26 |
20130251503 | METHOD OF CONTROLLING COMPRESSOR SYSTEM FOR PREVENTING SURGE OCCURRENCE AND COMPRESSOR SYSTEM USING THE SAME - Provided is a method of controlling a compressor system including measuring variables for generating a performance curve of a compressor, calculating changing rates of the variables; comparing the calculated changing rates with preset changing rate variations; and determining a surge control line different from a preset surge control line according to the calculated changing rates if the calculated changing rates are out of ranges of the preset changing rate variations. | 2013-09-26 |
20130251504 | TURBINE BYPASS SYSTEM - A turbine bypass system comprises a bypass path which is selectively operable to deliver hot gases to a gas cooler and a pebble bed positioned in the bypass path upstream of the gas cooler. The pebble bed absorbs heat from the bypass gases and thereby reduces the temperature of the bypass gases prior to delivery of the bypass gases to the gas cooler. | 2013-09-26 |
20130251505 | Ejector Cycle | 2013-09-26 |
20130251506 | WIND TURBINE ELECTRICITY GENERATING APPARATUS - A wind turbine electricity generating apparatus includes a wind collecting unit having a funnel-shaped wall and terminating at inlet and internal-port ends to define an air channel for passage of a main stream of incoming wind, and a rotor unit having a rotor rotated by united wind streams dashing into a rotor housing so as to generate electricity by a generator. A wind-stream accelerating unit disposed outwardly of the funnel-shaped wall to speed up the velocity of a side stream taken up through an uptake port such that an accelerated side stream of wind is delivered into the air channel and entrained in the main stream to induce a negative pressure, thereby forming the united stream with an increased velocity. | 2013-09-26 |
20130251507 | EPDM COMPOSITION - Disclosed is an EPDM composition for molding sealing materials, containing a plasticizer; the plasticizer being a paraffinic oil or naphthenic oil in which the absolute value of the difference between its SP value (solubility parameter; determined by Small's formula) and the SP value of EPDM is 0.3 (cal/cm | 2013-09-26 |
20130251508 | DUAL-USE OF COOLING AIR FOR TURBINE VANE AND METHOD - A turbine vane of a gas turbine engine is provided with a hollow core in the leading edge of the outer platform thereof. The core is interconnected with the leading edge core of the airfoil whereby to create a cooling air stream having a dual purpose and cooling both the leading edge of the outer platform and of the airfoil and thereby reducing cooling air consumption. The cooling air enters the core of the outer platform through an inlet port and exits through cooling holes provided in the leading edge of the airfoil. | 2013-09-26 |
20130251509 | System and Method for Cooling Gas Turbine Components - The present application provides a cooling system for a gas turbine. The cooling system may include a source of CO | 2013-09-26 |
20130251510 | SPF/DB STRUCTURE FOR ATTENUATION OF NOISE FROM AIR FLOW - A propulsion system comprises a turbine engine, and an engine nacelle including an SPF/DB inner wall having a hot side face sheet against the engine and a cold side face sheet that has noise attenuation openings. | 2013-09-26 |
20130251511 | TORQUE FRAME BUSHING ARRANGEMENT FOR GAS TURBINE ENGINE FAN DRIVE GEAR SYSTEM - A fan drive gear system for a gas turbine engine includes a carrier that supports circumferentially arranged gears. A torque frame has circumferentially arranged fingers with each finger including a bore having a bore axis. A bushing is arranged in each bore and provides an aperture. At least one bushing has a bushing axis offset from the bore axis. A pin is disposed in the aperture and secures the carrier to the torque frame. | 2013-09-26 |
20130251512 | ROTARY VALVE UNIT FOR TURBOCHARGER - A turbocharger system is disclosed, including a turbine and compressor and a rotary valve unit. The rotary valve unit comprises a fixed valve seat and a rotary valve member arranged coaxially with the valve seat. The valve member is disposed against the valve seat and is rotatable about the axis for selectively varying a degree of alignment between respective orifices in the valve seat and valve member. The valve unit includes a valve housing that defines a first flow passage and a second flow passage, and the valve member and valve seat are disposed in the second flow passage. A turbocharger system is also disclosed, including a turbine and compressor and the rotary valve unit. The rotary valve unit is coupled with the turbine such that exhaust gas that has passed through the turbine wheel is fed into the first flow passage of the rotary valve unit, and exhaust gas that has bypassed the turbine wheel is fed into the second flow passage of the rotary valve unit. | 2013-09-26 |
20130251513 | FABRICATED HEAT SHIELD - A multi-pieces gas turbine engine combustor heat shield is fabricated from sheet metal. The fabrication involves: sheet metal forming a base sheet having opposed hot and cold facing sides, providing cold side details separately from the base sheet, and mounting the cold side details to the cold facing side of the base sheet. The cold side details may be brazed to the base sheet. | 2013-09-26 |
20130251514 | REGENERATIVE BLOWER WITH A CONVOLUTED CONTACTLESS IMPELLER-TO-HOUSING SEAL ASSEMBLY - A regenerative blower includes an annular housing assembly that surrounds a rotating impeller and defines a toroidal flow channel, an inlet to admit fluid to the toroidal flow channel, an outlet to discharge fluid from the toroidal flow channel, a low fluid-pressure region of the toroidal flow channel proximate to the inlet, and a high fluid-pressure region of the toroidal flow channel proximate to the outlet. A non-contact interaction between concentric surface contours of the impeller and the housing assembly form opposed concentric fluid pathways between the impeller and the housing assembly from the high to low fluid-pressure regions of the toroidal flow channel. The opposed concentric fluid pathways are so convoluted as to restrict fluid from flowing therethrough from the high fluid-pressure region of the toroidal flow channel to the low fluid-pressure region of the toroidal flow channel. | 2013-09-26 |
20130251515 | THERMAL ISOLATION APPARATUS - A thermal isolation apparatus is provided and includes an annular casing surrounding a turbine bucket stage and defining an annular recess from an interior facing surface thereof, an annular shroud disposed within the casing to provide for a predefined clearance about rotating bucket tips of the turbine bucket stage, the shroud including an annular main member and an annular flange extending from an outwardly facing surface of the main member and being sized to fit within the recess and a thermal barrier formed of porous material, which is interposed between opposing surfaces of the casing and the flange within the recess. | 2013-09-26 |
20130251516 | Centrifugal Pump and Method of Manufacturing Centrifugal Pump - A centrifugal blood pump reliably prevents blood from entering between an impeller and a shaft member. Pump | 2013-09-26 |
20130251517 | GROMMET FOR GAS TURBINE VANE - A vane assembly for a gas turbine engine includes an annular shroud having openings therein and a plurality of vanes extending radially from the shroud and each having an extremity received within one of the openings. A grommet is positioned within each opening for shielding the vane extremity from the annular shroud. The grommet includes an annular protrusion for providing sealing between the opening and the vane extremity, and an annular restraint element adjacent the protrusion for retaining the vane in place relative to the shroud. | 2013-09-26 |
20130251518 | CONNECTOR ASSEMBLY FOR VARIABLE INLET GUIDE VANES AND METHOD - A connector assembly for variable inlet guide vanes in a compressor case of a gas turbine engine comprises an annular case insert having a plurality of circumferentially distributed open-ended receptacles. The annular case insert is sized so as to be received inside a compressor case, with the plurality of circumferentially distributed open-ended receptacles being in register with holes in the compressor case. Bushings have an outer diameter sized to be received in a respective one of the receptacles of the annular case insert, and an inner diameter adapted to receive a connector portion of a vane. Sets of the bushing and the connector portion of a vane in one of the receptacles forming a rotational joint. A method for installing vanes in a compressor case is also provided. | 2013-09-26 |
20130251519 | TURBOJET CASING AND TURBOJET RECEIVING SUCH CASINGS - A turbojet casing adapted to receive a plurality of vanes, the casing including attachment means ( | 2013-09-26 |
20130251520 | SCALLOPED SURFACE TURBINE STAGE - A turbine stage includes a row of airfoils joined to corresponding platforms to define flow passages therebetween. Each airfoil includes opposite pressure and suction sides and extends in chord between opposite leading and trailing edges. At least some of the platforms have a scalloped flow surface including a bulge adjoining the pressure side and a bowl adjoining the suction side, aft of the leading edge, of the respective airfoils. The bulge is configured having a maximum height located within its respective flow passage, and wherein the bulge decreases in height in a forward and aft direction and decreases in height laterally toward the pressure side of the airfoil and toward the bowl adjoining the suction side of a next adjacent airfoil. | 2013-09-26 |
20130251521 | Diffusion Type Fan Device - A fan device includes a primary blade unit, a guiding member, and a secondary blade unit. The primary blade unit includes a mounting seat having a plurality of flow channels, and a primary blade rotatably mounted in the mounting seat and having a plurality of ventilating holes that are movable to align with the flow channels. The guiding member has a plurality of flow guiding ducts aligning with the flow channels. The guiding member has a flow guiding surface. The secondary blade unit includes a plurality of mounting plates having a vent hole for mounting a plurality of secondary blades. Thus, when the ambient air flow is introduced into the fan device, the primary blade unit and the secondary blade unit guide and inject the air flow in two different directions to diffuse and spread the air flow. | 2013-09-26 |
20130251522 | BALL AND SOCKET FAN MOUNT - A fan mounting assembly has a mount, a ball member, and a support. The support is disposed within a vertical opening of the ball member and is coupled to the ball member. The mounting assembly may further comprise a wedge driven between an interior surface of the ball member and an exterior surface of the support in order to prevent movement of the support within the ball member. The mount has a mounting portion and a socket portion. The socket portion has a tapered interior surface. The tapered surface may have a constant angle. The ball member and support are disposed within the socket portion such that an outer surface of the ball member rests upon the tapered surface of the socket portion. The tapered surface may have features configured to prevent rotation of the ball member within the socket portion. | 2013-09-26 |
20130251523 | Intershaft Seal with Centrifugal Compensation - A segmented intershaft seal assembly for use between inner and outer shafts within a turbine engine is presented. The intershaft seal assembly includes annular end rings, an annular seal element with an inverted “T”-shaped cross section, at least one resilient element, an annular spacer ring, carriers, counterweights, and hydrodynamic grooves. The intershaft seal assembly is secured to the inner shaft. The resilient element(s) biases seal segments away from the inner shaft toward the outer shaft. The counterweights are disposed about the seal segments and substantially negate forces imposed by the seal segments outward toward the outer shaft. The hydrodynamic grooves are disposed along an inner annular surface of the outer shaft and direct fluid onto an outer surface along the seal segments when the outer shaft rotates. The hydrodynamic grooves form a thin-film layer and non-contact seal that separates the seal segments from the outer shaft which otherwise provide a contact-type seal. | 2013-09-26 |
20130251524 | Wind Turbine Generator - A wind turbine includes a plurality of pivot shafts that are in paired parallel relationship and engaged to a central drive shaft, each pivot shaft supports a wing. Each pivot shaft rotates cyclically through 90° to move each wing from a wind-engaging orientation (drive position) in which the wing presents a flat surface approximately transverse to the incident wind, to a minimum dragposition (glide position). A gear transmission links the pivot shafts for sequential rotation in concert between the drive and glide positions. | 2013-09-26 |
20130251525 | Lift Propulsion and Stabilizing System and Procedure For Vertical Take-Off and Landing Aircraft - Lift propulsion and stabilizing system and procedure for vertical takeoff and landing aircraft that consists in applying simultaneously and combined as lifters during the initial portion of the climb and at the end of the descent of: a) some fans or electric turbines, EDF, and b) at least one rotor with external blades and/or rotary and/or c) the engine flow directed downwards and/or d) pressure air jets injected on leading edges control fins, and/or e) water jets and/or f) supplemented with aerodynamic lift produced during frontal advance of the aircraft, the stabilization is achieved by the gyroscopic stiffness of the rotor and two or more lifting fans oscillating fins and/or air jets located on two or stabilizers more peripheral points in a plane perpendicular to the vertical axis of the aircraft. | 2013-09-26 |
20130251526 | System and Method for Generating Electricity from Aerodynamic Drag - A system for harnessing energy created by a region of aerodynamic drag of a moving vehicle. The system comprises at least one traveling surface (such as a roadway or runway) having an intended direction of travel, and at least one turbine assembly having a shaft, a plurality of air-engaging members fixed to the shaft, and an axis of rotation concentrically aligned with the shaft. The turbine assembly is positioned proximal to the at least one traveling surface to intersect the region of aerodynamic drag created by the moving vehicle. | 2013-09-26 |
20130251527 | Sail Enhanced Wind Turbine System - The Sail Enhanced Wind Turbine System will increase the output of the wind turbine within the system by increasing the amount of force, or wind, being applied to the turbine. | 2013-09-26 |
20130251528 | VARIABLE LENGTH COMPRESSOR ROTOR PUMPING VANES - A compressor rotor includes a rotor body mounting a disk supporting an array of blades on a radially outer surface of the disk in a primary flow path. A radially inner portion of the disk is formed with an annular array of radially extending vanes adapted to move cooling air flowing in a secondary flow path from a radially-inward direction to an axial direction at a substantially center portion of said disk. Some of said radially-extending vanes have relatively longer radial lengths and some of the radially extending vanes having relatively shorter radial lengths to thereby provide a sufficient flow area while also lessening the formation of vortices along the vanes. | 2013-09-26 |
20130251529 | RETRACTABLE COMPOSITE IMPELLER ASSEMBLY - An extendable/retractable rotor for vertical lift has plural rotor blades, each with a rotor hub assembly, blade top and bottom hinged casings and a pitch disc rotateable about its longitudinal axis to change the rotor blade pitch angle. An interlink assembly has a blade base, a link base subassembly of top and bottom link hubs, two locking arms, a retracting reel assembly having exterior and interior rotor axles, a breaking actuator having plural outer breaking notches, plural recoiling spools forming a reel cage and a locking mechanism preventing blade retraction. A helical ribbon assembly with plural sequentially overlapped ribbons has pin restraints, plural layers each helically wound around the interlink assembly and a flexible and elastic sleeve of plural elastic ribs. An elastic and flexible skin made of composite elastomeric sheet reinforced by fibers is provided as is a zipper slider mechanism of a main slider, a zipper wedge, a wedge track, plural spring loaded wheels, plural hinged plates and plural hinge joints. | 2013-09-26 |
20130251530 | BEARING CUP STRUCTURE AND THERMAL MODULE THEREOF - A bearing cup structure and a thermal module thereof. The bearing cup structure includes a cup body and a retainer ring. The cup body has a fixing section, a receiving space and a shoulder section. The fixing section is formed at one end of the cup body. The shoulder section is formed in the receiving space. The retainer ring is formed with a hole in communication with the receiving space. With the bearing cup structure, the heat dissipation efficiency of the thermal module is increased and the assembling time is shortened to lower the manufacturing cost. | 2013-09-26 |
20130251531 | ROTARY MACHINE - Provided is a rotary machine including: a shaft that rotates; a disc that has a substantially cylindrical hub fitted into the shaft and is provided so as to widen outward in a radial direction from a front end to a rear end of the hub; and an impeller having a plurality of blades provided on a surface of the disc. The hub has a tight fit section having an internal radius that is smaller than a radius of the shaft, and a loose fit section having an internal radius that is greater than the internal radius of the tight fit section. The loose fit section is provided on the front end side of the hub with respect to the tight fit section. | 2013-09-26 |
20130251532 | SECURING DEVICE FOR AXIALLY SECURING A BLADE ROOT OF A TURBOMACHINE BLADE - A securing device ( | 2013-09-26 |
20130251533 | COMPRESSOR WHEEL - A compressor wheel for use with turbochargers or superchargers for forced air induction of internal combustion engines includes a base having a hub portion, and a plurality of blades extending from the base, each blade having a length defined by the distance between opposite axial extremities of the blade, the plurality of blades including at least three different types of blades, each having a substantially different length. | 2013-09-26 |
20130251534 | TURBINE - A plurality of stepped parts which have step surfaces facing an upstream side in a rotating axial direction of a structural member are provided in a tip portion of a blade, and seal fins which extend toward a circumference surface of each of the stepped parts and form small clearances between the seal fin and the circumference surface corresponding to the each of the stepped parts is provided in the structural member. Also, lengths from the small clearance to the step surface on the upstream side along the rotating axial direction of the structural member are set such that one of the stepped parts on the downstream side is smaller than the other one of the stepped parts on the upstream side. | 2013-09-26 |
20130251535 | WINGLET FOR A WIND TURBINE ROTOR BLADE - In one aspect, a winglet for a rotor blade is disclosed. The winglet may generally include a winglet body extending at least partially between a winglet origin and a blade tip. The winglet body may define a sweep and a pre-bend. The sweep defined between the winglet origin and the blade tip may range from about 0.5% to about 4.0% of a span of the rotor blade. The pre-bend defined between the winglet origin and the blade tip may range from about 1.5% to about 4.5% of the span of the rotor blade | 2013-09-26 |
20130251536 | HYBRID AIRFOIL FOR A GAS TURBINE ENGINE - A hybrid airfoil for a gas turbine engine according to an exemplary embodiment of this disclosure can include a leading edge portion, a trailing edge portion, and an intermediate portion between the leading edge portion and the trailing edge portion. The leading edge portion can be made of a first material, the trailing edge portion can be made of a second material, and the intermediate portion can be made of a third material. At least two of the first material, the second material and the third material are different materials. | 2013-09-26 |
20130251537 | TITANIUM ALUMINIDE INTERMETALLIC COMPOSITIONS - Gamma titanium aluminide intermetallic compositions (gamma TiAl intermetallics) based on the TiAl (gamma) intermetallic compound. The gamma TiAl intermetallics contain chromium and niobium, as well as controlled amounts of carbon that achieve a desirable balance in room temperature mechanical properties and high temperature creep capabilities at temperatures approaching and possibly exceeding 1600° F. (about 870° C.). | 2013-09-26 |
20130251538 | TRAILING EDGE COOLING - An airfoil includes a leading edge, a trailing edge, a suction surface, a pressure surface, a cooling passageway, and a plurality of oblong pedestals. The suction surface and the pressure surface both extend axially between the leading edge and the trailing edge, as well as radially from a root section to a tip section of the airfoil. The cooling passageway is located between the suction surface and the pressure surface. The oblong pedestals connect the suction surface to the pressure surface at the trailing edge of the airfoil. | 2013-09-26 |
20130251539 | TRAILING EDGE OR TIP FLAG ANTIFLOW SEPARATION - An airfoil includes a leading edge, a trailing edge region, a suction surface, a pressure surface, a cooling passageway, and a column of flow separators. The suction surface and the pressure surface both extend axially between the leading edge and the trailing edge region, as well as radially from a root section of the airfoil to a tip section of the airfoil to define a central cavity of the airfoil. The cooling passageway is located within the central cavity at the trailing edge region. The column of flow separators is located in the cooling passageway adjacent the trailing edge and includes a first flow separator having a first longitudinal axis and a second flow separator having a second longitudinal axis. The first longitudinal axis is offset at an angle with respect to the first longitudinal axis. | 2013-09-26 |
20130251540 | Method and Control Device for Variable Rotational Speed Control of a Displacement Pump Unit and Displacement Pump Arrangement - A displacement pump arrangement, method for operating the displacement pump arrangement and a control device for controlling the displacement pump arrangement provide rotational-speed-variable control of an expeller pump unit for feeding a fluid. The arrangement includes an expeller pump and a drive, the drive being composed of an electric drive motor and a frequency converter, and a control device. The control device controls a state value such as a final pressure of the expeller pump a setpoint value. The control device detects state values of a control variable are supplied by the drive, in particular relating to the position, rotational speed and torque of the drive motor, and adjusts the displacement pump output to reach the setpoint value without using sensors. | 2013-09-26 |
20130251541 | Apparatus for Controlling Electric Pump - In an apparatus for controlling an electric pump supplying operating oil to a driving system or the like of a vehicle, control satisfying both responsiveness and reduction in power consumption is performed even in a case in which an oil temperature sensor and a pump characteristic are abnormal. After starting of the electric pump, feedback control is performed in which a rotation number Nm of a driving motor is settled in a target rotation number Na set to satisfy predetermined performance. After satisfying a predetermined condition in which the motor rotation number Nm is in a stable state, motor current Im is settled in an indicated current Ip within a range of being equal to or less than a current limit value IL while the motor rotation number Nm is maintained equal to or greater than a required rotation number Np corresponding to the indicated current Ip. | 2013-09-26 |
20130251542 | Speed Control - A pumping system for moving water of a swimming pool includes a water pump, an infinitely variable speed motor, and an arrangement for operating the motor. In one example, the pumping system includes a memory configured to store a plurality of retained speed values, an arrangement for providing a plurality of retained speed values to the memory, and an arrangement for reading a selected one of the plurality of retained speed values from the memory. In addition or alternatively, the pumping system includes a storage medium for digitally storing a plurality of pre-established motor speed values and an arrangement for receiving input from a user to select one of the pre-established motor speeds. In addition or alternatively, the pumping system further includes an arrangement for restarting operation of the motor at a previously selected speed value when power supplied to the motor is interrupted during operation of the motor. A method for controlling the pumping system is also provided. | 2013-09-26 |
20130251543 | Compressor with Oil Return Passage Formed Between Motor and Shell - A scroll compressor that includes a shell and scroll compressor bodies disposed in the shell. The scroll bodies include a first scroll body and a second scroll body, where the first and second scroll bodies have respective bases and respective scroll ribs that project from the respective bases. The scroll ribs are configured to mutually engage, and the second scroll body is movable relative to the first scroll body for compressing fluid. A pilot ring engages a perimeter surface of the first scroll body to limit movement of the first scroll body in the radial direction. Further, the shell includes different inner diameters to facilitate press fitting a motor into the shell where the motor includes lubricant flow passages. | 2013-09-26 |
20130251544 | SUCTION DUCT WITH ADJUSTABLE DIAMETRIC FIT - A suction duct for a compressor such as a scroll compressor may include a plastic ring body with a metal screen heat staked in a window of the ring body to filter refrigerant gas entering the motor cavity. The ring body may be in surrounding relation of the motor and resiliently compressed in the housing through intermittent contact with the inner housing surface to better seal around the inlet port. Oil drain channels and stabilizing ribs may be along the outside surface of the ring body. | 2013-09-26 |
20130251545 | MODULAR AIR DISCHARGE SYSTEM - An air discharge apparatus such as an air nozzle manifold comprises an elongated air distribution enclosure having an air supply inlet and an elongated air discharge slot. There is at least one removable insert, and generally multiple removeable inserts in the discharge slot. At least one of the inserts has a discharge opening for discharge of air from the enclosure where air can pass through the slots substantially only through the discharge openings. | 2013-09-26 |
20130251546 | METHOD AND CONTROL UNIT FOR METERING FUEL INTO AN EXHAUST GAS DUCT - A method for metering fuel from a high pressure system, comprising at least one high pressure pump, one pressure accumulator and one high pressure injection valve, into an exhaust gas duct of an internal combustion engine in order to regenerate a nitrogen oxide storage catalyst (NSC) disposed in the exhaust gas duct, wherein a higher pressure of the fuel is generated by the electrically actuated high pressure pump, which discretely delivers fuel and has a constant stroke volume, wherein the fuel is supplied to the pressure accumulator comprising a pressure measuring device for determining the fuel pressure and wherein the fuel is injected into the exhaust gas duct via the downstream, electrically actuated high pressure injection valve. | 2013-09-26 |
20130251547 | Liquid Lift Pumps for Gas Wells - A wellbore liquid lift pump includes a pump chamber disposed in a wellbore at a selected longitudinal position and within a liquid column therein. The pump chamber has one way valves proximate each longitudinal end thereof. One of the one way valves is in fluid communication with the liquid column. The other one way valve is in fluid communication with a conduit extending from the pump chamber to the surface. The pump includes means for displacing a volume of the pump chamber by application of pressure thereto. The pressure provided by at least one of a gas and a liquid having a density lower than liquid within the liquid column. | 2013-09-26 |
20130251548 | COMPRESSOR - A compressor includes a housing, compression unit, discharge chamber, outlet, and oil separation structure. The oil separation structure, which is arranged between the discharge chamber and the outlet, includes an oil reservoir, oil separation compartment, intake passage, exhaust passage, and supply passage. The oil separation compartment is located upward from the oil reservoir. The intake passage, which extends upward from the oil separation compartment, draws refrigerant gas into the oil separation compartment from the discharge chamber to separate lubrication oil from the refrigerant gas. The exhaust passage extends upward from the oil separation compartment and discharges the refrigerant gas in the oil separation compartment out of the housing through the outlet. The supply passage extends upward from the oil separation compartment and has a larger cross-sectional area than the intake passage. The supply passage supplies the oil reservoir with lubrication oil from the oil separation compartment. | 2013-09-26 |
20130251549 | OFFSET ELECTRICAL TERMINAL BOX WITH ANGLED STUDS - A compressor assembly including a housing and a terminal box is provided. The terminal box is offset relative to the housing and coupled with the housing with angled studs. | 2013-09-26 |
20130251550 | Compressor Baseplate With Stiffening Ribs for Increased Oil Volume and Rail Mounting Without Spacers - A compressor that includes a housing with a plurality of attached shell sections which define an internal volume of the compressor. In the housing, compressor bodies have respective surfaces which mutually engage. The compressor includes a drive unit disposed in the housing. The drive unit has a motor to provide a mechanical output on a drive shaft. The drive shaft drives one of the compressor bodies to facilitate relative movement for the compression of fluid. In an embodiment, the plurality of shell sections includes a base plate having an annular rib, which locates a tubular central shell section of the plurality of attached shell sections. | 2013-09-26 |
20130251551 | COMPRESSOR SHELL WITH MULTIPLE DIAMETERS - A scroll compressor that includes a shell and scroll compressor bodies disposed in the shell. The scroll bodies include a first scroll body and a second scroll body, where the first and second scroll bodies have respective bases and respective scroll ribs that project from the respective bases. The scroll ribs are configured to mutually engage, and the second scroll body is movable relative to the first scroll body for compressing fluid. A pilot ring engages a perimeter surface of the first scroll body to limit movement of the first scroll body in the radial direction. Further, the shell includes different inner diameters to facilitate press fitting a motor into the shell where the motor includes lubricant flow passages. | 2013-09-26 |
20130251552 | ENERGY EXTRACTION SYSTEM - An energy extraction system for a rotational surface including a drive mechanism having a rotational axis and configured to rotatably couple to the rotational surface and an energy extraction mechanism coupled to the drive mechanism. The drive mechanism includes a cam rotatable about the rotational axis and an eccentric mass coupled to the cam that offsets a center of mass of the drive mechanism from the rotational axis, the eccentric mass cooperatively formed by a first and a second section, the eccentric mass operable between a connected mode wherein the first and second sections are adjacent and a disconnected mode wherein the first and second sections are separated. The energy extraction mechanism is connected to the cam and is statically coupled to the rotating surface, wherein the energy extraction mechanism configured to extract energy from relative rotation between the energy extraction mechanism and the cam. | 2013-09-26 |
20130251553 | TIRE INFLATION SYSTEM - A tire inflation system including a drive mechanism having a rotational axis, a pump cavity positioned a radial distance away from the axis of rotation, and a force translator coupling the rotational axis to the pump cavity. The drive mechanism includes a cam comprising an arcuate bearing surface having a non-uniform curvature, the cam rotatable about the rotational axis, and an eccentric mass couple to the cam that offsets a center of mass of the drive mechanism from the rotational axis. The pump cavity is rotatably coupled to the cam, wherein the pump cavity includes an actuating element and a chamber. The force translator couples the arcuate bearing surface to the actuating element, wherein the force translator includes an axis having an arcuate position fixed to an arcuate position of the pump cavity. | 2013-09-26 |
20130251554 | NO VAULT PUMP FILTER - A pump filter system for use with a submersible pump assembly including a base cup having an outer peripheral flange and an upwardly extending ring concentrically located within and spaced from the peripheral flange. A self-supporting, substantially uniformly perforated, tubular wall portion having a lower end coupled to the base cup outer peripheral flange and an upper end surrounding a pump discharge conduit connection. A tubular sleeve having a lower end contiguous with an upper portion of the pump body and an upper end projecting above the discharge conduit connection. A tapered coupling having a lower end connected to the perforated tubular wall upper end and an upper end connected to the tubular sleeve upper end, and a seal ring surrounding the discharge conduit connection and the tubular sleeve inner surface. | 2013-09-26 |
20130251555 | POWER SYSTEM ARRANGEMENT - A power system arrangement is disclosed. The power system arrangement may include a power source, a power load, a power-transfer unit configured to transmit energy from the power source to the power load, a lubrication system configured to deliver lubrication fluid to the power system, wherein the lubrication system may include a first tank for storing lubrication fluid, and a support structure configured to support the power source, the power load, and the first tank. The power source, the power load, and the first tank may be coupled to the support structure substantially in series along a longitudinal axis. | 2013-09-26 |
20130251556 | POWER SYSTEM ARRANGEMENT - A power system arrangement is disclosed. The power system arrangement may include a power source configured to delivery energy, a power load configured to receive energy from the power source, a lubrication system configured to deliver lubrication fluid through the power system, wherein the lubrication system may include a tank for storing lubrication fluid, and a support structure configured to support the power source, the power load, and the tank. The power source, the power load, and the tank may be coupled to the support structure substantially in series along a longitudinal axis. | 2013-09-26 |
20130251557 | MOTOR-DRIVEN COMPRESSOR - A motor-driven compressor includes an electric motor, a compression mechanism driven by the electric motor to compress refrigerant, a housing accommodating the electric motor and the compression mechanism, and a support having a mounting to be fastened to an object by a fastener. One of the housing and the support has a projection and the other of the housing and the support has a recess that is engaged with the projection through a vibration damper so that the support supports the housing. | 2013-09-26 |
20130251558 | PUMP AGGREGATE - A pump aggregate (A) comprises a housing ( | 2013-09-26 |
20130251559 | AXIAL FLOW FAN - The present invention provide an axial flow fan which comprises an impeller having a plurality of blades, a motor arranged to rotate the impeller, a casing accommodating the impeller and the motor, and a lead wire for supplying electric power to the motor, wherein the casing comprises a cylindrical housing, a motor base installing the motor, and a plurality of spokes connecting the housing with the motor base, and wherein the plurality of spokes include a spoke having a straight shape and a spoke having a curved shape convexly toward a rotational direction of the impeller. | 2013-09-26 |
20130251560 | BLOWER - A blower includes a casing having an air inlet, an electric motor having a rotor and a stator, an impeller driven by the motor, and a diffuser for directing air from the impeller. The impeller and the diffuser are received in the casing. The impeller has a base and blades supported by the base. The diffuser has a plate like portion with diffuser vanes surrounding the impeller. Inlet angles of the impeller blades is between 20˜30 degrees and outlet angles of the impeller blades is between 26˜38 degrees. | 2013-09-26 |
20130251561 | Fluid Pump System - A fluid pump system has a housing having a housing cover removably connected to a housing base. A plurality of fluid pump assemblies are inside of the housing. Each fluid pump assembly has an electric motor operatively connected to a fluid pump. Each fluid pump has a fluid inlet extending through a wall of the housing to an exterior of the housing and a fluid outlet extending through the wall of the housing to the exterior of the housing. An electrical component inside of the housing is electrically connected to each electric motor. The electrical component has an electrical connector extending through a wall of the housing to connect to a source of electrical power. The fluid pump system can dispense three different fluids, such as two detergents and a fabric softener in a laundry machine. | 2013-09-26 |
20130251562 | SUCTION DUCT WITH STABILIZING RIBS - A suction duct for a compressor such as a scroll compressor may include a plastic ring body with a metal screen heat staked in a window of the ring body to filter refrigerant gas entering the motor cavity. The ring body may be in surrounding relation of the motor and resiliently compressed in the housing through intermittent contact with the inner housing surface to better seal around the inlet port. Oil drain channels and stabilizing ribs may be along the outside surface of the ring body. | 2013-09-26 |
20130251563 | PRESS-FIT BEARING HOUSING WITH NON-CYLINDRICAL DIAMETER - A scroll compressor that includes a housing and scroll compressor bodies disposed in the housing. A motor is disposed within the housing and operably connected to a drive shaft for driving one of the scroll compressor bodies. The drive shaft is rotationally supported at one end by a crankcase which includes a bearing housing and a bearing. The crankcase includes a plurality of openings or gas passages passing through the crankcase, as well as a plurality of generally cylindrical sections positioned respectively between adjacent openings. The cylindrical sections define contact regions which can engage an inner periphery of the housing when the crankcase is mounted therein. | 2013-09-26 |
20130251564 | COMPRESSOR AND VACUUM MACHINE - A compressor includes: a cylinder; a crankcase; a piston arranged within the cylinder and the crankcase; and an outer rotor type motor causing the piston to reciprocate, wherein the outer rotor type motor comprises: a stator; a coil wound around the stator; a rotational shaft; a yoke connected with the rotational shaft; and a permanent magnet secured to the yoke, and the yoke is formed with an air hole. | 2013-09-26 |
20130251565 | Poppet Valve Assembly, System, and Apparatus for Use in High Speed Compressor Applications - A miniature poppet valve assembly for a high-speed compressor, the miniature poppet valve assembly includes a plurality of miniature poppets, each characterized by a stem and a head with a maximum head diameter of no more than 0.9 inches; a cage having a plurality of counter bores disposed therein, each counter bore disposed for receipt of a poppet; and a seat plate overlying the cage, the seat plate including a plurality of through bores axially aligned with the counter bores of the cage. Each counter bore includes a chamfered edge against which the head of the poppet seats, thereby forming a seal. The chamfered edged is provided with a chamfer angle of approximately 30 degrees. In one embodiment, poppet heads have a convex head surface and are shaped so that the tangent angle at the point of contact between the edge and the head is approximately 30 degrees. | 2013-09-26 |
20130251566 | ROTARY COMPRESSOR WITH AN INSTALLED CIRCULATION CONTROL UNIT - This rotary compressor with an installed circulation control unit utilizes a method to control a rotary compressor to start or stop injecting refrigerant at a predetermined velocity by means of an electromagnetic coil that is installed onto the rotary compressor. The end of the electromagnetic coil is tenon-shaped and enters into a mortise that is formed on a vane or an arm of the rotary compressor so that the operation alternates between suction and compression at a predetermined period, enabling control of the rate of refrigerant circulation. In addition, the rotary compressor does not restart during its operation, which enhances the performance of the air-conditioning system, saves costs and energy, and enables the air-conditioning system to be easily maintained and repaired. | 2013-09-26 |
20130251567 | Scroll Compressor Counterweight With Axially Distributed Mass - A scroll compressor includes first and second scroll bodies having respective bases and respective scroll ribs that project from the respective bases such that the scroll ribs mutually engage. The second scroll body is movable relative to the first scroll body for compressing fluid. A drive shaft has a longitudinal axis and an eccentric drive pin configured to engage a drive hub on the second scroll body. A counterweight has a hub portion, and a perimeter portion positioned radially outward from the hub portion. A radial axis divides the counterweight into a first and second regions. The mass of the hub portion in the first region being roughly equal to the mass of the hub portion in the second region, and the mass in the perimeter portion being distributed between the first and second regions such that the center of mass of the counterweight is located along the radial axis. | 2013-09-26 |