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| Number | Title | Issue Date |
| 7975600 | Axial piston machine, recoil plate and method of manufacturing a recoil plate The invention relates to an axial piston machine, in addition to a swash-plate for said machine and a method for producing a swash-plate. The swash-plate (24) is configured as a disc and has a central bore (32), which is encompassed by a collar (39 | 07/12/2011 |
| 7895934 | Apparatus for generating electricity through oscillatory motion Disclosed is an apparatus and method for generating energy through oscillatory motion requiring little input. Oscillatory motion is generated using a substantially circular trough containing a liquid, inflatable bags positioned below the trough and a movable weight.... | 03/01/2011 |
| 7743694 | Axial piston machine An axial piston machine, in particular to an air-conditioning compressor for motor vehicles, including a drive unit for taking-in and compressing a pressure medium The drive unit is rotatably driven by a shaft, the rotatable movement of the shaft is convertible into... | 06/29/2010 |
| 7698989 | Reciprocating piston machine A reciprocating piston machine, in particular a compressor, such as for the air conditioning system of an automotive vehicle. The machine includes a casing and at least one casing cover. A working unit including pistons and is arranged or formed in the casing. The i... | 04/20/2010 |
| 7597042 | Axial piston machine The invention relates to an axial position machine (1) comprising cylinder bores (9) that are located in a cylinder drum (4), pistons (10) that can be axially displaced in said boxes (9) and helical compression springs (22) ... | 10/06/2009 |
| 7520210 | Oil separator for a fluid displacement apparatus An oil separator for a compressor is shown, wherein an oil separating efficiency is maximized and a material cost, a weight, and an assembly time are minimized. ... | 04/21/2009 |
| 7458312 | Axial piston machine for independent delivery into a plurality of hydraulic circuits The invention relates to an axial piston machine having a first group of pistons (34.1) for delivering into a first hydraulic circuit and a second group of pistons (34.2) for delivering into a second hydraulic circuit. The pistons (34.1) of the ... | 12/02/2008 |
| 7438029 | Piston waveform shaping An assembly includes at least one piston, a rotating member, a transition arm, and a mechanism. The transition arm is configured to translate between rotational movement of the rotating member and a first linear motion of the piston. The mechanism is configured to s... | 10/21/2008 |
| 7406912 | Swash plate compressor A swash plate compressor includes a housing that has a cylinder bore and rotatably supports a drive shaft. A swash plate is operatively coupled to the drive shaft for rotation therewith. A piston is accommodated in the cylinder bore for reciprocating movement. First... | 08/05/2008 |
| 7398724 | Support structure carrying thrust load of compressor and thrust needle roller bearing A support structure carrying a thrust load of a compressor has a swash plate which contributes to a compressing operation by rotating according to rotation of a rotating shaft which is rotatably supported by a housing. The swash plate is rotatably supported with res... | 07/15/2008 |
| 7367259 | Pressure pin and axial piston machine having said pressure pin An axial piston machine (1) having a rotatably mounted cylinder drum (5) which in turn has a center recess (38) and a plurality of cylinder bores (6) that extend substantially axially relative to the center bore (38) and in which p... | 05/06/2008 |
| 7364409 | Piston assembly for rotary hydraulic machines A piston assembly for a hydraulic machine is formed with a part spherical cavity in the piston to receive a spherical bearing of a slipper assembly. The spherical bearing is secured in the cavity by swaging the walls of the piston and subsequently working the wall t... | 04/29/2008 |
| 7365740 | Scroll wheel device with a thin film type command switch A scroll wheel device with a thin film type command switch mainly replaces conventional optical grating switch during rotation of a wheel for outputting a signal. The thin film type command switch is a flexible circuit board, and is provided with a circuit arrangeme... | 04/29/2008 |
| 7357067 | Spherical joint of a hydrostatic piston machine A hydrostatic piston machine having a cylinder block with several cylinders, in which are slidably mounted pistons in load engagement with a reaction member via transmission members, each transmission member is connected to at least one of the piston or the reaction... | 04/15/2008 |
| 7340988 | Hydraulic machine having axial pistons with a synchronization system The hydraulic machine having axial pistons comprises: a cylinder block mounted to rotate about a first axis of rotation; and a swash plate supporting a sliding disk in rotation about a second axis of rotation which is inclined relative to the first axis of rotation.... | 03/11/2008 |
| 7337869 | Hydraulic hybrid vehicle with integrated hydraulic drive module and four-wheel-drive, and method of operation thereof A vehicle includes an integrated drive module coupled to an axle thereof. The module includes a hydraulic motor configured to provide motive power at an output shaft, and a differential for distributing the motive power to right and left portions of the axle. The hy... | 03/04/2008 |
| 7337611 | Working vehicle comprising a hydrostatic transmission A flywheel 2 and an HST unit 5 are accommodated in a flywheel housing 13 of a working vehicle, the HST unit 5 comprising an oil hydraulic motor 9, an oil hydraulic pump 10, an oil hydraulic circuit block 17 containing... | 03/04/2008 |
| 7331272 | Multiple-stroke hydrostatic axial piston machine A multiple-stroke hydrostatic axial piston machine has a plurality of piston-shaped displacement bodies (13) that can each move longitudinally in a displacement chamber (12) and are each supported by a roller body on a track (9) that is provided... | 02/19/2008 |
| 7331274 | Sliding film, sliding member, composition for sliding film, sliding device, swash-plate type compressor, process for forming sliding film, and process for producing sliding member A sliding film includes a solid lubricant, a binder resin, and a low-melting-point material. The binder resin is for holding the solid lubricant on a surface of a substrate, and exhibits a glass transition temperature. The low-melting-point material exhibits a melti... | 02/19/2008 |
| 7328647 | Hydraulic device The invention concerns a hydraulic device with a housing and a rotor which can rotate in the housing and has fixedly mounted pistons. Around the piston there are drum sleeves which each, together with a piston, form a chamber of variable volume and which are support... | 02/12/2008 |
| 7320273 | Compressor A compressor used in a refrigerating cycle is provided as a miniaturized and lightweight unit at low production cost by selecting an optimal material to constitute components or by forming the housing in a specific shape so as to allow the components to have smaller... | 01/22/2008 |
| 7313997 | Copper alloy piston shoe A swash plate type compressor is disclosed, wherein a shoe, having a first surface slidably disposed on a swash plate and a second surface received in a pocket formed in a piston, is formed from a copper alloy. ... | 01/01/2008 |
| 7302883 | Hybrid nutating pump A nutating pump has a cross-type universal joint connecting a nutating member to a pump housing, ball joints connecting the nutating member to piston rods, and the piston rods fixed to piston heads so that the piston heads wobble in pump cylinders. ... | 12/04/2007 |
| 7299740 | Reciprocating axial displacement device A reciprocating axial displacement mechanism is disclosed generally comprising a housing, a rotating device, a displacement device having first and second undulating surfaces disposed in the housing, and a cam connected to the rotating device and disposed between th... | 11/27/2007 |
| 7296981 | Pump having independently releasable ends In certain embodiments, a pump includes a first end section having a fluid inlet and a fluid intake valve, a second end section having a fluid outlet, and a midsection disposed between the first and second end sections, wherein the midsection includes a piston coupl... | 11/20/2007 |
| 7281465 | Compressor piston ball pocket coating The invention is applied to a compressor assembly wherein a coating is applied to the pocket in the piston for sliding engagement with a shoe for reciprocating the piston. The coating is a composite of solid particles of a lubricant, suspended in an adhesive, bonded... | 10/16/2007 |
| 7279227 | Spraying piston ring A thermal spray coated piston ring having improved initial running-in propery, and having scuffing resistance and wear resistance is provided. The spray coating film (3) of the piston ring (1) contains from 2 to 40 mass % of Sn and from 5 to 50 mass % ... | 10/09/2007 |
| 7267113 | Fluid control valve A fluid control valve has: a housing in which a fluid passage is formed; a valve seat in which a fluid flow hole is formed to be communicated with the fluid passage; and a valve that is formed from rubber elastic body. At least a part of the housing is formed from r... | 09/11/2007 |
| 7263925 | Hydraulic axial piston machine The invention concerns a hydraulic axial piston machine (1) with a cylinder body (3), at least one piston (9) to be axially displaceable in the cylinder body (3), said piston (9) resting on a swash plate (13) by way of a sli... | 09/04/2007 |
| 7258531 | Axial piston compressor A compressor, in particular an axial piston compressor having an axial piston drive mechanism for the intake and compression of a coolant, has a drive shaft for the drive mechanism with radial bearings of the shaft located at the front and at the rear of the compres... | 08/21/2007 |
| 7249556 | Compressor with fortified piston channel A compressor is disclosed generally comprising a cylinder head mounted to a cylinder block having a cooling chamber and a piston channel via a bolt. A piston is disposed in the piston channel and has a contact portion that contacts the channel wall, which is integra... | 07/31/2007 |
| 7246551 | Liquid handling device with surface features at a seal A sample handling tool includes a body having at least one plunger associated with a channel and arranged for axial movement within the channel. A seal is provided in the channel and sealingly engaged with a contact surface. The contact surface may include a surface... | 07/24/2007 |
| 7241722 | Sliding component A sliding component has a metal base member and a coating layer. The metal base member has a sliding surface. The layer is made of silane-modified resin. The silane-modified resin is made from resin that is soluble in solvent and is equal to or higher in heat-resist... | 07/10/2007 |
| 7232293 | Manual hydraulic pump A manual hydraulic pump includes a cylinder block 10 and an end block 8. The rear end of the cylinder block 10 and the end block 8 defines an end space 21 between them. The cylinder block 10 has cylinders 13 and oil p... | 06/19/2007 |
| 7229256 | Dual pump transmission A dual pump apparatus having two pumps mounted in a housing, where the housing comprises two elements mounted on opposite sides of a hydraulic mounting member or center section. The pumps are mounted on one side of the hydraulic mounting member in a pump cavity, and... | 06/12/2007 |
| 7211017 | Inter-axle differential lock shift mechanism An improved inter-axle differential locking clutch is provided that aligns the actuator and the clutch member thereby reducing space and material requirements in the axle assembly housing. The clutch also eliminates the need for a pushrod and shift fork thereby redu... | 05/01/2007 |
| 7201566 | Reciprocating-piston machine with a joint arrangement In a reciprocating-piston machine, in particular a refrigerant compressor for a motor vehicle air-conditioning system, including a machine shaft, a plurality of pistons are arranged, at the same distance from the machine shaft, on a cylinder envelope defined by the ... | 04/10/2007 |
| 7193475 | Single-ended input to differential output low noise amplifier with a cascode topology A single-ended input to differential output LNA with a cascode topology of the present invention overcomes a much greater consumption of current and area for the single-ended input to differential output LNA of the prior art. The LNA needs to supply an operating bia... | 03/20/2007 |
| 7188562 | Water-hydraulic machine The invention concerns a water-hydraulic machine with at least two mutually movable parts, of which one has a surface of a plastic material with friction-reducing properties. In such a machine it is desired to enable the use of demineralised water. For this purpose,... | 03/13/2007 |
| 7178450 | Sealing system for a compressor A compressor includes a housing and a drive shaft extending along a longitudinal axis and rotatably supported by the housing. A pocket is defined in the drive shaft and extends to a bottom portion having a diameter smaller than a diameter of the pocket. A pair of se... | 02/20/2007 |
