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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...
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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...
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8152482 |
Displacement control valve for variable displacement compressor
A displacement control valve for a variable displacement compressor. The displacement control valve includes a drive force transmission body, a pressure sensitive chamber, an internal passage, and...
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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...
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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.
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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;...
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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...
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7971442 |
Method for controlling air conditioner of vehicles
The present invention relates to a method for controlling a vehicle air-conditioner, which can prevent undershoot of an evaporator by performing a maximum capacity control or controlling an...
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7972119 |
Variable displacement compressor
A variable displacement compressor includes a housing, a rotary shaft, a swash plate, a suction pressure region, a suction throttle valve, an oil reservoir, a lubricating oil passage, a gas flow...
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7958908 |
Flow control valve
A capacity control valve, comprising a first valve chamber formed in a valve body, a first fluid passage communicating with the first valve chamber to flow a fluid with a discharge pressure...
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7918656 |
Suction throttle valve of a compressor
A suction throttle valve of a compressor has a compressor housing having a suction chamber and a crank chamber. The suction throttle valve includes a suction passage formed in the housing, a...
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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...
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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...
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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...
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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...
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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...
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7721563 |
Apparatus for and method of calculating torque of variable capacity compressor
An apparatus for calculating torque of a variable capacity compressor, including: a sensor configured to detect internal and external states of an air conditioner; an OFF-torque calculator...
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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...
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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...
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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...
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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...
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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...
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7644729 |
Capacity control valve
A capacity control valve has a communication path (31) for communicating a discharge chamber (11) and a control chamber (12); one valve chamber (36) in the middle of the communication path (31);...
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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...
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7587970 |
Reciprocating piston machine
A reciprocating piston machine, such as an air-conditioning compressor for motor vehicles, including a pivot ring and a guide sleeve that is provided axially slidably on a drive shaft and is...
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7559208 |
Displacement control mechanism for variable displacement compressor
A displacement control mechanism for a variable displacement compressor includes a first valve hole, a first valve body, a pressure sensing means operable to sense pressures of first and second...
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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...
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7523620 |
Displacement control mechanism for variable displacement compressor
A displacing device is incorporated in a displacement control valve. The displacing device includes a first pressure chamber, a second pressure chamber, a second bellows, a transmission rod, and an...
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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...
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7444921 |
Swash ring compressor
A variable displacement compressor is disclosed. The compressor includes a crankcase for receiving a fluid. The crankcase has a plurality of compression chambers in which the fluid is compressed. A...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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7210911 |
Controller for variable displacement compressor and control method for the same
A controller for a variable displacement compressor that maintains high displacement while preventing excessive increase in discharge pressure. The controller includes a pressure sensing mechanism...
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7207784 |
Hybrid compressor and control device
When a hybrid compressor starts being driven by an electric motor, the electric current of a capacity control valve is applied at an initial control electric current SS that is greater than a...
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7204098 |
Oil separation structure for refrigerant compressor
The present invention relates to a structure for separating oil from a refrigerant gas containing the oil. The refrigerant gas is discharged from a refrigerant compressor which forms a part of...
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7186096 |
Swash plate type variable displacement compressor
A swash plate type variable displacement compressor includes a cylinder block defining a cylinder bore. A housing is fixed to the cylinder block and defines a crank chamber. A drive shaft is...
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7179063 |
Reciprocating-piston machine with a sliding sleeve
In a reciprocating-piston machine, in particular a refrigerant compressor for a motor vehicle air-conditioning system, including a machine shaft rotatably supported in a housing, a plurality of...
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7172393 |
Multi-cylinder compressors and methods for designing such compressors
A multi-cylinder compressor includes a valve plate having a plurality of cylinder suction ports formed therethrough, and a plurality of cylinder bores centered on an arc having a radius (R). The...
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7144227 |
Reciprocating-piston machine with a driver
In a reciprocating-piston machine, in particular a refrigerant compressor for a motor vehicle air-conditioning system, comprising a machine shaft rotatably supported in a housing with a plurality...
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7137267 |
Apparatus for variable displacement type compressor
An apparatus for controlling a variable displacement compressor has an information detector and a controller. The information detector detects information about the thermal load on the...
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7121811 |
Capacity control valve for variable displacement compressor
The object is to provide a capacity control valve for a variable displacement compressor, which is not adversely affected by pressure from a pressure-regulating chamber. The cross-sectional area of...
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7077380 |
Capacity control drive
A capacity control valve is inserted in a flow path connecting a discharge chamber and a crank chamber of a variable capacity compressor and provided with a valve unit and a drive unit. The valve...
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7063511 |
Integrated control valve for a variable capacity compressor
An integrated capacity control valve for a variable capacity refrigerant compressor includes an integral pressure sensor that is continuously coupled to a discharge port of the valve for measuring...
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