Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 451 - 500 out of 10,027

Document Document Title
WO/2009/046809A1
The invention relates to a reciprocating piston machine, particularly a pivot ring or pivot plate compressor, having pistons accommodated such that they are movable back and forth in cylinder chambers of a cylinder block having a cylinde...  
WO/2009/045462A1
A compressor may include a compressor body defining a compression cylinder, a compressor head coupled to the compressor body, and a valve plate assembly disposed between the compressor head and the compressor body. The valve plate assemb...  
WO/2009/044781A1
A displacement control valve for a variable displacement compressor has a valve element. The valve element has formed in it a discharge pressure receiving surface for receiving the pressure in a discharge chamber and a suction pressure r...  
WO/2009/044260A1
The invention concerns a device (1, 100, 200) for reciprocating machines suited to convert a rotary motion into an alternate motion and/or vice versa, comprising a moving element (3, 3a, 3b) suited to be set in motion along a rectilinear...  
WO/2009/041230A1
A variable displacement compressor has a shaft rotor formed by assembling a shaft and a rotor integrally with each other, a swash plate mounted on the shaft rotor such that the tilt angle of the wash plate is variable and that the swash ...  
WO/2009/041391A1
A displacement control system for a variable displacement compressor has a displacement control valve and a control device. The displacement control valve has a valve element which receives discharge pressure acting in the direction in w...  
WO/2009/027000A1
A reciprocating piston machine is proposed, particularly for motor vehicles, comprising at least one piston displaceably supported in a cylinder bore and comprising a valve device (1) interacting with the at least one piston, said valve ...  
WO/2009/027009A1
Reciprocating piston machine (1), in particular a refrigerant compressor for motor vehicles, having a shaft (9) and having a drive space which is connected to a refrigerant return path, in which at least one radial shaft seal (47, 49), a...  
WO/2009/027002A1
A coolant compressor is proposed, comprising a shaft and at least one piston disposed parallel to the shaft, said piston interacting with a valve device having a pressure valve (3), and further comprising a pressure chamber (11) having a...  
WO/2009/028323A1
A refrigeration air conditioner includes a variable displacement compressor having a displacement control valve capable of controlling the discharge displacement of the compressor by controlling the degree of opening of a communication p...  
WO/2009/027000A9
A reciprocating piston machine is proposed, particularly for motor vehicles, comprising at least one piston displaceably supported in a cylinder bore and comprising a valve device (1) interacting with the at least one piston, said valve ...  
WO/2009/027001A1
A reciprocating piston machine is proposed, particularly for motor vehicles, comprising - at least one piston displaceably supported in a cylinder bore and comprising - a valve device (1) interacting with the at least one piston, said va...  
WO/2009/028384A1
A displacement control valve (300) of a variable displacement compressor has a valve chamber communicating with a discharge chamber, a valve hole having one end that communicates with the valve chamber and also having the other end that ...  
WO/2009/028664A1
A method of controlling a variable displacement compressor having a displacement control valve that can be controlled by an external signal and adapted such that lubrication oil in a refrigerant is returned to a crank chamber via a path ...  
WO/2009/025208A1
A system for controlling the capacity of a variable capacity compressor comprises target suction pressure setting means for setting a target suction pressure according to external information from external information detecting means by ...  
WO/2009/024248A1
The invention relates to a reciprocating piston machine, particularly for motor vehicles, having a pivoting element (11) preferably being configured as a pivoting ring, being connected to a guide body (5) disposed coaxially to a shaft (3...  
WO/2009/022916A3
A connection mechanism between a recipricator and a piston of a Z-crank engine or pump. The engine or pump includes a crankshaft having a crankshaft axis and carrying an angled crank about which the recipricator can rotate. The connectio...  
WO/2009/022917A3
A recipricator restraint assembly for a Z-crank axial piston machine is described. The assembly includes two gimbal arms each linked together at gimbal link joint that intersect at a point T. Point T lying in a medial plane M being defin...  
WO/2009/022628A1
An open type piston compressor having a drive shaft extending from a crank chamber, formed in a housing, to the outside of the housing, in which a sealing device for sealing the crank chamber side against the atmosphere side outside the ...  
WO/2009/022917A2
A recipricator restraint assembly for a Z-crank axial piston machine is described. The assembly includes two gimbal arms each linked together at gimbal link joint that intersect at a point T. Point T lying in a medial plane M being defin...  
WO/2009/022916A2
A connection mechanism between a recipricator and a piston of a Z-crank engine or pump. The engine or pump includes a crankshaft having a crankshaft axis and carrying an angled crank about which the recipricator can rotate. The connectio...  
WO/2009/022918A1
A Z-crank axial piston internal combustion engine that includes a cylinder cluster of at least two piston containing cylinders rigidly located with respect to each other. Each cylinder includes at least one working fluid transfer port. A...  
WO/2009/020812A1
The present invention provides an addressable multi- channel peristaltic pump. According to the invention, this pump design allows for selection and operation of one or more pump heads on a drive shaft, while locking other non-selected p...  
WO/2009/015726A1
The invention relates to a reciprocating piston machine having at least one piston (1) cooperating with a valve arrangement (21), comprising a clearance volume (23) present between the piston (1) and the valve arrangement (21), and compr...  
WO/2009/014052A1
A compressor includes a discharge port having an exit end whose circumferential length and area affecting discharge resistance and pressure receiving area are set large, and the compressor has a reduced dead volume to improve volumetric ...  
WO/2009/010118A1
The invention relates to a reciprocating piston engine, particularly a coolant compressor for motor vehicles, comprising at least one piston movably supported in a cylinder, and comprising a pivot element (1), preferably designed as a pi...  
WO/2009/011283A1
A displacement control system (A) for a variable displacement compressor has setting means (410) for setting a target suction pressure, which is a target value of suction pressure, based on external information detected by external-infor...  
WO/2009/010118A8
The invention relates to a reciprocating piston engine, particularly a coolant compressor for motor vehicles, comprising at least one piston movably supported in a cylinder, and comprising a pivot element (1), preferably designed as a pi...  
WO/2009/011251A1
A displacement control valve for a variable displacement compressor, in which a solenoid portion is reduced in size and weight without a change in the area of a valve body seal. The displacement control valve has a valve housing (301), a...  
WO/2009/008018A1
A bent axis pump (4) wherein the coupling between a cylinder body (32) and a connecting pin (62) of a back body (54) takes place by the interposition of a bush (76) suitable for guiding the rotation of the cylinder body (32) limiting the...  
WO/2009/008479A1
A displacement control system (A) for a variable displacement compressor includes a displacement control valve having a valve body that receives discharge pressure, suction pressure, and electromagnetic force of a solenoid (316) and capa...  
WO/2009/001865A1
A discharge displacement control system for a variable displacement compressor has control target setting means. The control target setting means selects one control mode from among two or more control modes based on external information...  
WO/2008/156101A1
A rear part of a rotating shaft (22) of a piston compressor (10) is formed as a rotary valve (35). The rotary valve (35) causes a suction pressure region (14b) to sequentially communicate with suction paths (33). As a result, refrigerant...  
WO/2008/146806A1
A compressor whose capacity can be varied by varying the tilt angle of a swash plate has a return spring for urging the swash plate in the direction of increasing the tilt angle and also has a tilt angle decreasing spring for urging the ...  
WO2008021503B1
A pump system has a rotatory shaft and a rotatory drive arrangement coupled to the rotatory shaft for applying rotatory energy thereto. First through fourth pump arrangements are coupled to the rotatory shaft, each pump arrangement pumpi...  
WO/2008/147042A1
The present invention relates to a compressor, wherein a rotary shaft 140 having a swash plate 144 coupled thereto is used to linearly reciprocate a piston 150 in a cylinder bore 134 formed in front and rear cylinder blocks 130 and 130'....  
WO/2008/146652A1
A method for producing a hollow piston for compressor by coupling a piston top side member and a rotation blocking portion side member where a rotation blocking portion and a tubular portion are formed integrally. When the rotation block...  
WO/2008/133294A1
Provided is a control device for a variable-capacity compressor including control valve drive control means which has a capacity control valve having a solenoid controlled by an external signal so as to control an operation amount, modul...  
WO/2008/130029A1
Disclosed is a compressor characterized by utilizing a cooling medium comprising a compound having a double bond and using at least one member selected from a Fe-P-based electroplated film, a Fe-W-based electroplated film, a Fe-C-based e...  
WO/2008/119319A3
The invention relates to a stroke-adjustable air conditioning compressor, in particular for motor vehicles, comprising a drive mechanism for pistons that move back and forth, the pistons being driven by means of an adjusting plate, such ...  
WO/2008/119319A2
The invention relates to a stroke-adjustable air conditioning compressor, in particular for motor vehicles, comprising a drive mechanism for pistons that move back and forth, the pistons being driven by means of an adjusting plate, such ...  
WO/2008/113713A1
A swashplate mechanism (1) comprises a sliding shoe (6) and a piston (2) comprising a base (4) having a universal ball joint (7) accommodating the sliding shoe (6), wherein a curved surface (9) of the sliding shoe (6) engages in the univ...  
WO/2008/115101A1
The invention relates to a system and a method for operating a variable-displacement compressor (10), wherein a volume of a compression chamber (34; 34a, 34b, 34c, 34d) of at least one cylinder (30; 30a, 30b, 30c, 30d) is varied during a...  
WO/2008/109901A1
The invention relates to an inlet and outlet control for high-pressure axial piston machines of the bent axis and swash plate types. The multiple cylinder bores (1b) of a cylinder part (1) are equipped with rotary valves (3) with radial ...  
WO/2008/108202A1
A variable capacity compressor comprises a rotor (21) secured to a drive shaft (10) and rotates integrally, a swash plate (24) attached to the drive shaft (10) through a through opening (61) slidably toward the axial direction of the dri...  
WO/2008/108093A1
A control valve for a variable displacement compressor has a power element (6) provided at an end of a body (5), at a position on the side opposite a solenoid (3). In the power element (6), the inside of a housing (50) is partitioned by ...  
WO/2008/102599A1
Provided is a volume control valve for a variable displacement compressor, which has a relief valve function. Also provided is a volume control valve for a variable displacement compressor, which can set intake chamber pressure control c...  
WO/2008/098766A1
The invention relates to a compressor, in particular a compressor for the air-conditioning system of a motor vehicle, having a housing and having a compressor unit, which is substantially arranged in the housing, for sucking in and compr...  
WO/2008/096970A1
Provided is a gear type oil pump for a reciprocating compressor inserted into a mounting space provided at one side of a drive shaft to compress and inject oil, which includes: a gear assembly including an inner gear fixed to one end of ...  
WO/2008/096824A1
A discharge displacement control system (A) of a variable displacement compressor has target pressure setting means (402A), discharge pressure detection means (500), and electric current regulation means (404, 406). The target pressure s...  

Matches 451 - 500 out of 10,027