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5342178 Coolant gas guiding mechanism in compressor  
A coolant gas guiding mechanism in a compressor is disclosed. A plurality of pistons reciprocate within corresponding cylinder bores that are formed around the rotary shaft, inside a casing. Each...
5316447 Axial multi-piston type compressor having movable discharge valve assembly  
A compressor comprises a cylinder block having cylinder bores formed radially spaced from and circumferentially distributed equidistantly about the cylinder longitudinal axis. Pistons are slidably...
5316446 Variable capacity wobbling swash plate type compressing apparatus  
A variable capacity wobbling swash plate type compressing apparatus is provided with a housing (10), and a cylinder block (12) arranged in the housing; the cylinder block being provided with...
5307731 Housing system for hydraulic units  
A housing for hydraulic units includes a single cast unitary hollow housing having a continuous side wall extending between opposing forward and rearward walls to form an enclosed housing....
5304043 Multiple axis rotary compressor  
A new oiless air compressor and vacuum pump design features at least two synchronously rotating disks whose rotations are at intersecting angles of rotation. As each disk rotates, it carries at...
5304042 Variable displacement compressor  
A plurality of pistons of a variable displacement compressor are reciprocatably disposed in cylinder bores which are formed in a housing. A drive shaft is rotatably supported in the housing. A lug...
5299918 Bearing for compressor drive shaft  
A slant plate compressor with a variable displacement mechanism including a driving mechanism having a drive shaft is disclosed. The compressor includes a compressor housing having a cylinder...
5288211 Internal baffle system for a multi-cylinder compressor  
A compressor assembly is disclosed including a compressor mechanism mounted within a hermetically sealed housing. A cylinder block contains a plurality of reciprocating pistons within compression...
5286173 Coolant gas guiding mechanism in swash plate type compressor  
The housing of a swash plate type compressor includes a suction chamber and a discharge chamber. A plurality of cylinder bores are formed in a cylinder block connected to the housing. A plurality...
5277552 Slant plate type compressor with variable displacement mechanism  
A slant plate type compressor with a capacity or displacement adjusting mechanism is disclosed. The compressor includes a housing having a cylinder block provided with a plurality of cylinders and...
5275087 Wobble plate type refrigerant compressor  
A wobble plate type refrigerant compressor is disclosed which includes a compressor housing having a crank chamber and a cylinder block which is provided with an axial central bore and a plurality...
5269193 Swash plate mechanism  
A swash plate mechanism, for coverting linear motion into notary motion and vice versa is disclosed, which overcomes the main difficulties with older arrangements of swash plate drives. These are...
5269142 Differential rotation control device with a hydraulic assembly  
A differential rotation control device with a hydraulic assembly includes two torque transmission assemblies. Each assembly has a first rotor with a pump-driven arrangement secured to a drive shaft...
5267839 Reciprocatory piston type compressor with a rotary valve  
A reciprocatory piston type compressor having an axial cylinder block in which a plurality of axial cylinder bores are formed for receiving pistons therein to compress a refrigerant and to...
5253576 Swashplate assembly for an axial piston pump  
A radial piston pump includes a pair of inboard trunions which provide tilting bearing support for the swashplate. The trunion blocks may be made from sections of ordinary cold rolled steel bar...
5252032 Variable capacity swash plate type compressor  
A variable capacity swash plate type compressor having compression chambers formed on one side of the plungers only, and control chambers for controlling the capacity of the compressor provided on...
5242276 Multicylinder compressor  
Disclosed is a multicylinder compressor including a cylinder block having a plurality of cylinders, a valve plate provided on an end of the cylinder block and having a plurality of inlet ports and...
5239913 Slant plate type compressor  
A slant plate type compressor is disclosed. The drive mechanism of the compressor is provided with a mechanism which substantially eliminates a gap between the wobble plate and the balance weight...
5236312 Swash-plate-type air conditioning pump  
A double-acting, multi-cylinder, swash-plate-type air conditioning pump (10) for propelling refrigerant gas through a cooling circuit. The pump (10) comprises a cylinder block assembly (16) which...
5231915 Wobble plate type compressor having cantilevered drive mechanism  
A wobble plate type compressor having a cantilevered drive mechanism is disclosed. The compressor includes a compressor housing having a plurality of cylinders and a crank chamber adjacent the...
5230610 Axial piston pump  
An axial piston pump for supplying two separate oil circuits including two pistons units (6, 8) of which one is situated upon an external circle and the other upon an internal circle. The external...
5228379 Swash plate type compressor  
A swash plate type compressor is disclosed which is intended to prevent a hemispherical shoe, provided between the piston and the swash plate, from being spun on slat surface of the swash plate...
5228841 Variable capacity single headed piston swash plate type compressor having piston abrasion preventing means  
A variable capacity single headed piston, swash plate type compressor provided with a rotation-to-reciprocation conversion mechanism having a swash plate rotated by a drive shaft and formed with...
5215443 High pressure liquid pump  
A high pressure liquid pump has a drivable swash plate and a plunger which is acted on by the swash plate and guided in a cylinder bore of the pump housing. In the region of the front end of the...
5207563 Swash plate type compressor with a central discharge passage  
A swash plate type compressor is provided with a plurality of cylinders and a front and rear cylinder blocks having a crank case connected to a suction port. The cylinder blocks are connected to a...
5207078 Reciprocatory piston type compressor for a refrigeration system  
A reciprocatory piston type compressor having a cylinder block provided with a plurality of cylinder bores in which a refrigerant gas drawn from a suction chamber is compressed and discharged...
5201261 Piston coupling mechanism for a swash plate compressor  
A piston coupling mechanism for a swash plate type compressor is disclosed. A disk-shaped swash plate is pivotally mounted on a drive shaft for rotation together with the drive shaft. A plurality...
5183394 Swash plate type compressor with a central inlet passage  
A swash plate type compressor which includes a pair of cylinder blocks. The cylinder blocks contains a crank case and a plurality of cylinders leading to a suction port. A pair of housing sections...
5176066 Axial piston pump apparatus with an improved drive mechanism  
An axial piston pump apparatus includes a rotary cylinder barrel with plural cylinder bores in each of which a slidable piston is arranged. Each piston is rotatably held at one end with a piston...
5173032 Non-clutch compressor  
In a non-clutch compressor, by controlling a differential pressure between a crank chamber accommodating an oscillating plate therein and a cylinder chamber in a suction stroke, an incline angle of...
5172623 Hydraulic rotary machine with pre-discharge opening for lubrication supply  
The rotary machine of the invention includes a series of cylindrical chambers swept by pistons in hydraulic liquid admission-and-discharge cycles and alternately connected to high pressure openings...
5167181 Fluid transfer devices  
A positive displacement fluid transfer device is disclosed which may be operated either as a fluid pump, compressor or motor with no modification. The device is based mechanically upon axial...
5163819 Asymmetrical suction porting for swash plate compressor  
A swash plate compressor is disclosed having double acting pistons that reciprocate in aligned sets of horizontally extending bores of a cylinder block to compress gaseous refrigerant. An improved...
5147190 Increased efficiency valve system for a fluid pumping assembly  
A valve system for a fluid pumping assembly including a valve plate having at least one intake port extending therethrough and at least one discharge port also extending therethrough. The discharge...
5139392 Multi-cylinder swash plate compressor discharge gas flow arrangement  
A refrigerant compressor assembly includes a shaft rotatably supported in a housing. A swash plate in disposed on the shaft, centrally within the housing. Three double-ended pistons are...
5137431 Lubricating mechanism and method for a piston assembly of a slant plate type compressor  
A slant plate type compressor having a lubricating mechanism for a piston assembly includes a housing having a cylinder block provided with a plurality of cylinders and a crank chamber adjacent the...
5127314 Compensating cam socket plate torque restraint assembly for a variable displacement compressor  
An assembly for providing socket plate torque restraint for a variable displacement wobble plate compressor is provided. Swing arms support a guide pin and allow for swinging motion to be directed...
5125803 Wobble plate type compressor with variable displacement mechanism  
A wobble plate type compressor with a variable displacement mechanism is described. A cylindrical member having a central hole and which supports the wobble plate at a variable angle of inclination...
5113808 Double piston engine  
A double piston engine has a medial shaft between two pistons which reciprocate in opposed cylinders. From the pistons extend outer piston shafts which serve as control shafts. The outer ends of...
5114261 Swashplate type hydraulic device having a ball joint connection  
A swashplate type hydraulic device has a ball joint which includes a spherical socket of a major arc longitudinal section formed in a plunger or a shoe member and a ball formed at an end of a...
5112197 Cross groove joint socket plate torque restraint assembly for a variable displacement compressor  
An assembly for providing socket plate torque restraint for a variable displacement wobble plate refrigerant compressor includes a non-rotary cross groove joint. The joint has a cylindrical outer...
5112198 Refrigerant compressor having variable restriction pressure pulsation attenuator  
A variable displacement refrigerant compressor includes a plurality of axially reciprocating pistons connected to a non-rotary wobble plate. A drive shaft supplies a rotational input to axially...
5109754 High torque low speed motor  
A high torque low speed motor has a nutating assembly driven by a hydraulic or an electric actuator. The nutator assembly drivingly connects to an output shaft through a gear train. Because of a...
5108268 Pumps  
A pump suitable for food products containing solid pieces has a rotary turret (11) incorporating four piston and cylinder pumping units (15) spaced uniformly around the rotation axis. The pistons...
5106271 Slant plate type compressor  
A slant plate type compressor including a compressor housing having a cylinder block is disclosed. A plurality of peripherally located cylinders are formed through the cylinder block. A piston is...
5100301 Wobble plate type refrigerant compressor provided with an internal rotation detector generating a signal having a symmetrical wave form  
A variable capacity wobble plate type compressor having an electromagnetic induction type rotation detector detecting an actual rotation of internal rotatable elements in the compressor, which has...
5100306 Noise reducing compressor gasket and head assembly  
An air conditioning compressor comprises a compressor housing including front and rear housing heads and a pair of cylinder blocks disposed in the housing each defining axially disposed cylinders....
5088897 Swash plate type compressor with internal refrigerant and lubricant separating system  
A swash plate type compressor having a compressor casing accommodating a swash plate operated compressing mechanism compressing a refrigerant gas supplied from a suction side of a refrigerant...
5086689 Axial piston machine  
An axial piston machine which has an even number of piston cylinder chambers housing therein pistons in relation of being movable in reciprocation respectively so as to control a stroke of the...
5085127 Cavitation resistant hydraulic cylinder block porting faces  
A problem with hydraulic displacement units of the axial piston type is the cavitation which occurs at the porting face of the cylinder block due to the conventional use of a bearing material...