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| Number | Title | Issue Date |
| 8182239 | Control valve, and control valve for variable displacement compressor using the control valve A control valve includes a diaphragm assembly imparting a biasing force to a moving member according to the pressure introduced into the pressure-sensitive part. The moving member is moved by the biasing force to control the valve opening. The control valve further ... | 05/22/2012 |
| 8172552 | Variable displacement compressor A variable displacement compressor that draws refrigerant from a suction pressure zone and discharges the refrigerant to a discharge pressure zone, and controls displacement according to a pressure in a control pressure chamber. The compressor has a cam body, piston... | 05/08/2012 |
| 8147214 | Compressor Provided is a compressor having an enhanced capability of supplying oil to a thrust bearing and a radial bearing which are interposed between a center through-hole in a cylinder block and a driving shaft. To this end, the compressor 1 has an air bleed passage... | 04/03/2012 |
| 8079827 | Displacement control valve A displacement control valve for an air conditioner modulating a fluid flow or fluid pressure within a control chamber by controlling the opening degree of a valve portion. ... | 12/20/2011 |
| 8038415 | Variable capacity swash plate type compressor Provided is a variable capacity swash plate type compressor. The variable capacity swash plate type compressor includes: a cylinder block; a front housing; a rear housing; a valve; a driving shaft; a rotor; a swash; an elastic; and a plurality of pistons, wherein at... | 10/18/2011 |
| 8021124 | Capacity control valve A capacity control valve includes a valve body having a first valve portion for opening/closing a discharge-side path and a second valve portion for opening/closing a suction-side path, a pressure sensitive body arranged in a third valve chamber in the middle of the... | 09/20/2011 |
| 7874813 | Variable displacement compressor A variable displacement compressor comprising a first control means for detecting the suction pressure of fluid or the crank chamber pressure and controlling the suction pressure to a target control value, and a second control means including means for detecting hig... | 01/25/2011 |
| 7857601 | Variable displacement compressor A variable displacement compressor comprising a displacement control valve disposed somewhere in a discharge pressure supply passageway capable of communicating with a crank chamber from a discharge chamber, and a fixed orifice disposed somewhere in a pressure relie... | 12/28/2010 |
| 7841839 | Displacement control structure for a variable displacement compressor A variable displacement compressor includes a housing assembly. A displacement control structure for the variable displacement compressor includes a passage forming member, a flat partition and a displacement control valve. The passage forming member is connected to... | 11/30/2010 |
| 7806666 | Displacement control valve of variable displacement compressor A displacement control valve (32) is connected to a variable displacement compressor. An open passage (53) in which a refrigerant gas flows is formed within a rod (31) and a valve body (30) of the displacement control valve (32). F... | 10/05/2010 |
| 7726949 | Variable displacement compressor A variable displacement compressor capable of controlling a piston stroke by openably controlling a displacement control valve to regulate a pressure in a crank chamber, comprising the displacement control valve disposed in a passageway from a discharge chamber to t... | 06/01/2010 |
| 7699585 | Swash plate type compressor In a swash plate type compressor, refrigerant in a discharge pressure region is introduced into a crank chamber through a supply passage while the refrigerant in the crank chamber is drawn out to a suction pressure region through a bleed passage for controlling pres... | 04/20/2010 |
| 7690898 | Control valve for variable displacement compressor The control valve comprises a valve rod having a valve body part; a valve main body provided with a valve chamber having a valve port to/from which the valve body part contacts/separates, a discharge pressure refrigerant inlet for introducing the refrigerant from a ... | 04/06/2010 |
| 7651321 | Variable displacement compressor Refrigerant gas is introduced into a suction chamber through a suction line. Refrigerant gas is allowed to flow from the crank chamber into the suction chamber through an outlet line. An open degree adjustment valve (34) has a first valve body for adjusting a... | 01/26/2010 |
| 7648346 | Variable displacement compressor A variable displacement compressor in which variable control of displacement is effected through adjustment of a crank chamber pressure, includes: a suction port; a suction chamber; a suction passage establishing communication between the suction port and the suctio... | 01/19/2010 |
| 7645125 | Refrigerant compressor with improved oil retention A variable capacity automotive refrigerant compressor is provided with a pressure equalization passage between the crankcase volume and the suction passage in the manifold to prevent a pressure imbalance between the two that could otherwise cause a reduction in cran... | 01/12/2010 |
| 7611335 | Two set-point pilot piston control valve The subject invention provides a compressor assembly for an air conditioning system for a vehicle. The compressor assembly is of the variable displacement angle wobble plate type, and includes a housing that defines a suction cavity, a discharge cavity, and a crankc... | 11/03/2009 |
| 7530797 | Variable displacement compressor A variable displacement compressor including a drive shaft through which a gas passage extends between front and rear ends of the drive shaft. The gas passage is connected to a suction chamber at the rear end of the drive shaft. The drive shaft includes a first gas ... | 05/12/2009 |
| 7503754 | Control valve for variable capacity compressor In a control valve for a variable capacity compressor, coolant that is sucked in from a suction chamber through a suction conduit is compressed and delivered to a delivery chamber through a delivery conduit and the coolant pressure is controlled by an electromagneti... | 03/17/2009 |
| 7452192 | Control valve for variable displacement compressor To provide a control valve for a variable displacement compressor using a diaphragm for a pressure-sensing section, which is capable of sensing suction pressure as absolute pressure. A core, a first plunger, and a spring of a solenoid are accommodated in a bottomed ... | 11/18/2008 |
| 7402027 | Rotating group of a hydraulic machine A hydraulic machine-has a rotating group located within a housing and a port plate to control flow from the barrel of the rotating group to inlet and outlet ports. The port plate is sealed against one of the housing or barrel and sleeves extend between the other of ... | 07/22/2008 |
| 7387501 | Control valve for variable displacement compressor To provide a control valve which is capable of maintaining the minimum operation of a variable displacement compressor, by causing a valve section thereof to be fully opened, irrespective of the expanded or compressed state of a bellows, even when the suction pressu... | 06/17/2008 |
| 7381031 | Control valve for variable displacement compressor A control valve for a variable displacement compressor that is mounted on the variable displacement compressor to control pressure within a hermetic crankcase to thereby change the discharging capacity of a refrigerant. ... | 06/03/2008 |
| 7371054 | Swash-plate compression device of variable capacity type A swash-plate compression device of the variable capacity type used in a refrigerating system of a vehicle comprises a swash-plate compressor and a control valve for autonomously adjusting the pressure in a crank chamber of the compressor. The control valve is opene... | 05/13/2008 |
| 7364408 | Crank case shut off valve The invention provides a compressor with a shut off valve disposed between the crank case and the suction cavity. The valve is moveable between an open and closed position in response to the pressure in the discharge cavity of the compressor. The valve is an on/off ... | 04/29/2008 |
| 7353745 | Hydrostatic adjustment unit with swashplate, rotating cylinder block and a rotational speed signal transmitter A hydrostatic adjustment unit with a swash plate for adjusting the stroke of displacer pistons which are arranged in a rotating cylinder block is described. The displacer pistons each have a slider block which bears against a support face of the swash plate and is h... | 04/08/2008 |
| 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 |
| 7331564 | Normally open high flow hydraulic pressure control actuator A solenoid-operated valve includes a valve body defining a valving bore for providing a path of communication between axially spaced inlet and outlet ports. A solenoid assembly is attached to the valve body and includes an inductor coil, a fixed flux guide and an ar... | 02/19/2008 |
| 7320576 | Clutchless variable displacement refrigerant compressor with mechanism for reducing displacement work at increased driven speed during non-operation of refrigerating system including the compressor In a variable displacement swash plate type refrigerant compressor (10), a stopper (28) is provided for setting an initial angle of the inclination angle of a swash plate (23) when a drive shaft (19) is not driven. When the drive shaft ( | 01/22/2008 |
| 7299738 | Axial piston machine having a device for the electrically proportional adjustment of the volumetric displacement An axial piston machine having a swashplate or an oblique axis which can be adjusted by means of servopistons and has a valve segment and an adjustment unit for the electrically proportional adjustment of the volumetric displacement. The adjustment unit comprises pr... | 11/27/2007 |
| 7300265 | Flanged sleeve guide A scroll machine includes a shell and a pair of scroll members. At least one of the scroll members disposed in the shell is mounted for axial movement with respect to the other scroll member disposed in the scroll. The amount of axial movement of at least one scroll... | 11/27/2007 |
| 7293965 | Limiter device for variable displacement compressor A limiter device is provided in a variable displacement compressor capable of varying a discharge displacement per revolution and compressing a fluid in a cycle. The limiter device includes an operating characteristic acquiring means for acquiring a predetermined ch... | 11/13/2007 |
| 7273356 | Control valve device for variable capacity type swash plate compressor There is disclosed a control valve device for a variable capacity type swash plate compressor for use in an air conditioning system. The device comprises an introducing passage for connecting a discharge chamber to a crank chamber in the compressor, and a control va... | 09/25/2007 |
| 7267041 | Reciprocating piston compressor The reciprocating piston compressor has several parallel cylinder-piston units (7, 8) in a common compressor casing (3) and whose pistons (8) are moved by a rotary wobble plate (11) by means of a coupling bracket (9) surrounding sl... | 09/11/2007 |
| 7260951 | Pressure equalization system A pressure equalization system staffs a compressor while maintaining the condenser at a high pressure, including a valve and a bleed port. The compressor inlet receives a fluid at a first pressure. The compressor outlet discharges the fluid at a second pressure, and... | 08/28/2007 |
| 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 |
| 7255542 | Compressor with check valve orientated at angle relative to discharge tube A unique positioning of a discharge tube relative to a pivot axis of a check valve in a compressor reduces the wear and fatigue stresses on the pivoting check valve components. The tube is centered on an axis that is non-perpendicular to an axis that is parallel to ... | 08/14/2007 |
| 7243502 | Control system for variable displacement compressor In a control system of a variable displacement compressor, a pressure sensing means mechanically detects at least one pressure in the refrigerant circuit. A varying means varies a reference value for positioning a valve body. A pressure detector electrically detects... | 07/17/2007 |
| 7241116 | Method of adjusting rotary machine A method of adjusting a rotary machine includes the steps of press fitting an adjustable member to one of a housing and a rotary body where the adjustable member is arranged to a reference position at which movable amount or a rotary body is zero, and adjusting the ... | 07/10/2007 |
| 7235391 | Formulation of adenovirus for gene therapy The present invention addresses the need to improve the long-term storage stability (i.e. infectivity) of vector formulations. In particular, it has been demonstrated that for adenovirus, the use of bulking agents, cryoprotectants and lyoprotectants imparts desired ... | 06/26/2007 |
