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Patent Searching and Data


Matches 51 - 100 out of 10,334

Document Document Title
WO/2019/058828A1
The present invention achieves a variable displacement compressor that ensures stable operation of a spool in a second control valve for regulating the opening degree of a discharge passage through which a refrigerant of a pressure contr...  
WO/2019/056791A1
Provided are a control valve structure and a compressor having same. The control valve structure comprises a valve body, said valve body having an accommodating chamber; a valve core (30) is movably arranged inside the accommodating cham...  
WO/2019/058224A1
A double-acting, reciprocating compressor (1) comprises: a cylinder (5) defining an internal space, a piston (6) slidable inside the internal space of the cylinder (5), a motor including a drive shaft (3), a slider-crank mechanism (4) in...  
WO/2019/049569A1
This variable displacement compressor is provided with: a compression mechanism (12); a volume control mechanism (40) for controlling the volume of discharge of a refrigerant from the compression mechanism; a clutch (MGC); and a control ...  
WO/2019/042495A1
Axial piston machines are known that work as a pump and/or motor, wherein the axial piston machines have at least one axial piston. In relation to this, a production method is proposed comprising the method steps: producing an intermedia...  
WO/2019/044759A1
Provided is a low-cost electromagnetic valve that has excellent responsiveness to changes in the pressure of a fluid on a valve-main-body side. The electromagnetic valve V is provided with a valve main body 10, a valve body 50 disposed i...  
WO/2019/042829A1
The invention relates to a multistage piston compressor, particularly for rail vehicles, comprising a low-pressure stage and at least one subsequent high-pressure stage for the multistage compression of sucked-in air, for which a drive u...  
WO/2019/037976A1
The present invention relates to a compressor (1) comprising a motor (2) composed of two main components, namely a stator (3) and a rotor (4); a crankshaft (5) that transmits the motion received from the motor (2); a cylinder block (7); ...  
WO/2019/039054A1
Provided is a control valve which is to be used in a variable displacement compressor, is capable of preventing foreign matter from accumulating in the gap between sliding surfaces which is formed between a main valve body and a guide ho...  
WO/2019/039053A1
Provided is a control valve which is to be used in a variable displacement compressor, is capable of preventing foreign matter from accumulating in the gap between sliding surfaces which is formed between a main valve body and a guide ho...  
WO/2019/038108A1
A system for pumping and/or compressing fluids is provided. The system comprises a base, a motor, a cam configured to be rotated about an axis of rotation by the motor, and one or more cylinder piston arrangements. Each cylinder piston a...  
WO/2019/004647A3
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;...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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;...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  

Matches 51 - 100 out of 10,334