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WO/2019/031193A1 |
This variable-capacity compressor has a second control valve for adjusting the degree of opening of a discharge passage for discharging a refrigerant of a control pressure chamber into a suction chamber, the structure of the second contr...
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WO/2019/012966A1 |
The purpose of the present invention is to prevent a spool from malfunctioning because of the inclusion of foreign matter. A variable displacement compressor 100 is provided with: a first control valve 300 for controlling the degree of o...
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WO/2019/009266A1 |
[Problem] The purpose of the present invention is to provide a capacity control valve, for controlling the flow rate or pressure of a variable capacity compressor in accordance with the degree of opening of a valve unit, that improves th...
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WO/2019/008907A1 |
Provided is a linear motor system that can highly efficiently drive a linear motor at a mechanical resonant frequency that incorporates a load, without the need for a sensor that detects induced voltage that changes in accordance with fl...
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WO/2019/008862A1 |
This rolling cylinder-type displacement compressor is provided with: a cylindrical rolling cylinder having a cylinder groove; a revolving piston having a slide groove; a stop cylinder having a pin structure; a piston revolving drive sour...
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WO/2019/009264A1 |
[Problem] The purpose of the present invention is to provide a capacity control valve, for controlling the flow rate or pressure of a variable capacity compressor in accordance with the degree of opening of a valve unit, that improves th...
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WO/2019/005619A1 |
A variable stroke high pressure pump is disclosed. The pump uses a wobble plate design with dynamically variable tilt to provide continuous adjustment of pump stroke length and output. Dynamically variable tilt is accomplished using a li...
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WO/2019/004647A2 |
The present invention relates to a clutch and a compressor including the same. The clutch comprises: a hub fastened to a rotation shaft of the compressor and rotatable together with the rotation shaft while the position thereof is fixed;...
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WO/2018/235482A1 |
This control valve used for a variable capacity compressor suppresses the infiltration of foreign substances into a slidable support part which slidably supports a valve unit including a valve part for opening/closing a valve hole. A val...
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WO/2018/235483A1 |
According to the present invention, the pressure in a crank chamber increases quickly in a variable capacity compressor. This variable capacity compressor has a control valve 300 configured to control the opening degree of a supply passa...
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WO/2018/221902A1 |
The present invention relates to a control valve and a variable-capacity compressor, which can improve the efficiency of the compressor by preventing unnecessary loss of control gas. According to the present invention, a fixed orifice ho...
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WO/2018/221281A1 |
Provided is a rocking plate type variable displacement compressor configured to prevent the generation of rattling of a plurality of members connected so as to be movable relative to each other. This rocking plate type variable displacem...
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WO/2018/207724A1 |
Provided is a compressor in which, even in an operation in which a deficiency of oil in a crank chamber occurs during high speed rotation, a shortage of oil in a sealed space is avoided while ensuring a flow of oil in the sealed space, a...
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WO/2018/207461A1 |
Provided is a solenoid control valve with which manufacturing costs and management costs can be reduced compared to the prior art. In a solenoid control valve 300, a fixed iron core 332 comprises: a fitting part 332b1 that is fitted into...
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WO/2018/198811A1 |
A rolling-cylinder-type displacement compressor comprising: a columnar rolling cylinder having a cylinder groove; a pivoting piston having a slide groove; a stationary cylinder having a pin mechanism; a piston-pivoting drive source; a dr...
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WO/2018/198234A1 |
This liquid feeding device is provided with: a pump head having a pump chamber provided therein; a plunger having a tip part that is slidably inserted into the pump chamber; and at least one plunger pump having a driving mechanism which ...
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WO/2018/197186A1 |
The invention relates to a compressor assembly for a compressed-air feed of a compressed-air supply system, for operating a pneumatic system, comprising: a compressor, in particular a compressor, having at least one cylinder and at least...
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WO/2018/190616A1 |
The present invention relates to an apparatus for reducing suction pulsation and a swash plate type compressor comprising same. The apparatus for reducing suction pulsation, which is installed in a swash plate type compressor and can red...
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WO/2018/186034A1 |
Provided is a variable displacement compressor capable of preventing the intrusion of foreign matter into a second control valve. A variable displacement compressor 100 comprises: a first control valve 300 that controls the opening degre...
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WO/2018/186033A1 |
Provided is a variable displacement compressor capable of preventing the intrusion of foreign matter into a second control valve. A variable displacement compressor 100 comprises: a first control valve 300 that controls the opening degre...
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WO/2018/187601A1 |
A head assembly for a multi-cylinder compressor or pump having a first cylinder and a second cylinder includes a valve plate that has a first cylinder portion, a second cylinder portion, and a third portion positioned therebetween. The v...
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WO/2018/181730A1 |
Provided are: a swash plate for a swash plate compressor, in which an increase in manufacturing cost and occurrence of sludge can be prevented, which has excellent seizing resistance under a condition where extreme pressure is applied du...
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WO/2018/180784A1 |
Provided is a capacity control valve capable of reducing the inflow of unnecessary fluid into a suction intake chamber during continuous drive. A capacity control valve V is provided with: a valve main body 10 provided with a first chamb...
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WO/2018/174558A1 |
The present invention relates to a compressor, and may comprise: a casing; a compression mechanism, provided inside of the casing, for compressing a refrigerant; a rotating shaft for conveying a rotational force from a driving source, pr...
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WO/2018/164323A1 |
The present invention relates to a discharge valve of a compressor and a compressor comprising same. The discharge valve of a compressor may comprise: a valve case in which a hook portion seated on a discharge port of a cylinder block is...
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WO/2018/155991A1 |
The present invention relates to a clutch and a compressor comprising the same. The clutch comprises: a hub fastened to a rotating shaft of the compressor to be able to rotate together with the rotating shaft while the position of the hu...
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WO/2018/151018A1 |
[Problem] To provide a capacity control valve having an improved function of discharging a liquid refrigerant in a control chamber when a variable capacity compressor is started, the capacity control valve making it possible to shorten t...
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WO/2018/151528A1 |
The present invention relates to a swash plate type compressor comprising: a cylinder block for receiving a piston for compressing a refrigerant; a front housing coupled to the front of the cylinder block and including a crank chamber; a...
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WO/2018/145795A1 |
The invention relates to an oil-free vacuum pump for evacuating gaseous media, comprising: an electric motor (4) which drives a shaft (3); a pump housing (1) having a pump chamber (10), as well as an inlet (15) and an outlet (16); a pris...
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WO/2018/139476A1 |
[Problem] To provide a capacity control valve provided with an auxiliary communication passage and having an improved function of discharging a liquid refrigerant in a control chamber when a variable capacity compressor is started, the c...
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WO/2018/135602A1 |
A variable displacement compressor, wherein a delay in the pressure discharge of a control pressure chamber such as a crank chamber is prevented. A switching valve (350) is provided nearer to a crank chamber (140) than is a control valve...
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WO/2018/132591A1 |
A fluid compressor includes a housing; a compression chamber within the housing; a motor; a shaft that is rotated by the motor; and a piston assembly including at least two pistons directly connected to each other without any connecting ...
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WO/2018/125754A1 |
A pump or compressor includes a rotating shaft, and at least a first piston rod substantially perpendicular to the rotating shaft and connecting a first pair of pistons at opposite ends of the piston rod. The piston rod moves back and fo...
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WO/2018/123633A1 |
The purpose of the present invention is to prevent a delay in releasing pressure from a control pressure chamber such as a crank chamber in a variable displacement compressor. A switching valve (350) is disposed on a pressure supply pass...
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WO/2018/124156A1 |
Provided is a capacity control valve with which it is possible, during startup of a variable-capacity compressor, to quickly reduce the pressure in a control chamber to a continuous driving pressure. A capacity control valve V provided w...
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WO/2018/110449A1 |
[Problem] To provide a valve structure for a compressor, by which stable operation can be maintained without damaging a reed valve and a valve seat during high-speed operation, and sticking of the reed valve due to lubrication oil can al...
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WO/2018/110210A1 |
The present invention reduces startup torque of a swash-plate-type variable displacement compressor. A swash-plate-type variable displacement compressor (100) is provided with a drive shaft (200) that is rotatably driven, a lug plate (25...
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WO/2018/104763A1 |
In a method for manufacturing a pair of variable-displacement pistons 10, a first and a second piston body 12 are provided that each include a hollow body portion 14 with an open end and a closed end. The closed end is adjoined by an act...
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WO/2018/101094A1 |
In a variable-capacity compressor according to the present invention, a delay in pressure relief of a control pressure chamber, such as a crank chamber, is prevented. A switching valve (350) that is disposed at a downstream side of a con...
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WO/2018/092504A1 |
This swash plate compressor is configured such that a first sliding layer is formed between a swash plate and each show, and a second sliding layer is formed between a cylinder bore and a piston. The first sliding layer and the second sl...
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WO/2018/093089A1 |
A swash plate-type compressor comprises: a housing equipped with a cylinder block on the inside; a driving shaft rotatably coupled to the housing and defining an oil passage; a swash plate coupled to the driving shaft so as to rotate wit...
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WO/2018/088129A1 |
In this attachment structure for a capacity-controlling electromagnetic control valve (20) of a refrigerant compressor, depression deformation of a resin end member (24) of the electromagnetic control valve (20) in the axial direction an...
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WO/2018/082800A1 |
The invention relates to a reciprocating piston machine, in particular a one-, two-, or multi-stage piston compressor (400) or a one-, two-, or multi-cylinder compressor, having: at least one cylinder (410, 420) and at least one piston (...
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WO/2018/082801A1 |
The invention relates to a reciprocating-piston machine, in particular a single-, two- or multi-stage piston compressor or a single-, two- or multi-cylinder compressing device, comprising: at least one cylinder and at least one piston, e...
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WO/2018/072678A1 |
A piston-type air compressor, an air supply system, and a vehicle are provided. The compressor comprises: a crankshaft (1); a piston-connecting rod unit pair (2), comprising first and second piston-connecting rod units (2A, 2B) disposed ...
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WO/2018/074113A1 |
Provided is a control valve for a variable displacement compressor, the control valve being configured so that a reduction in the control accuracy of the control valve can be suppressed. In a control valve 300, a valve chamber 321b for c...
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WO/2018/062232A1 |
Provided is a compressor shoe capable of improving seizure resistance. The compressor shoe is provided with: a first sliding surface (51) in sliding contact with a piston (4); a second sliding surface (52) in sliding contact with a incli...
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WO/2018/061380A1 |
Provided is a control valve for a variable-capacity compressor that is compact and with which the effect of differential pressure of a crank chamber pressure Pc, an intake pressure Ps, and the like can be minimized. An internal relief pa...
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WO/2018/055824A1 |
A rolling cylinder-type displacement compressor is provided with: a cylindrical rolling cylinder having a cylinder groove; an orbiting piston having a slide groove; a stationary cylinder having a pin mechanism; a piston orbiting drive so...
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WO/2018/056153A1 |
Provided is a compressor configured so that refrigerant suction efficiency is increased, refrigerant suction can be consistently performed, and the generation of vibration and noise and the risk of damage on a suction valve can be reduce...
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