Match Document Document Title
5533872 Reciprocating piston compressor  
A rotary valve is supported on a rotary shaft for an integral rotation. The rotary valve has a suction passage and a discharge passage. The suction passage connects a cylinder bore with a suction...
5533870 Piston type compressor  
A housing has a refrigerant gas suction chamber at its center portion and a refrigerant gas discharge chamber at its peripheral portion. A valve plate between a cylinder block and a housing has a...
5533871 Single-headed-piston-type swash-plate compressor having pulsation damping system  
A single-headed piston type swash-plate compressor has a cylinder block having cylinder bores in which a plurality of pistons are slidably received. A first housing is attached to a first end of...
5528976 Swash plate type compressor with bearing assembly  
A compressor has a swash plate supported on a drive shaft for an integral rotation. The swash plate is coupled to a plurality of pistons reciprocally moveable in a cylinder block to compress gas...
5528977 Retention mechanism for a cage of a swashplate bearing  
A flexible retention mechanism for maintaining a positional relationship between a bearing cage of an arcuate roller bearing assembly and a swashplate supported by the bearing assembly includes a...
5507627 Oscillating-plate type compressor having holes in an outside area of a bolt lacing portion of a baffle plate  
An oscillating-plate type compressor has five cylinder bores 6 formed in a cylinder block 1. Coolant gas compressed in the cylinder bores is discharged to a discharge chamber 12 through discharge...
5497623 Hydrostatic pump and motor unit  
An improved hydrostatic transmission which is compact, reliable and economical to manufacture, including a novel apparatus for reducing the speed of the input to the transaxle using both hydraulics...
5490444 Piston pump with improved hold-down mechanism  
The disclosure relates to a pump having a wobble plate, at least one piston assembly reciprocated by the wobble plate, and a mechanism retaining the piston assembly in contact with the wobble...
5490767 Variable displacement piston type compressor  
A piston type compressor includes a compressor housing enclosing a crank chamber, a suction chamber, and a discharge chamber therein. The compressor housing comprises a cylinder block having a...
5483867 Swash plate compressor with sufficiently lubricated shoes  
A swash plate type compressor incorporating therein a swash plate having an annular rail raised from each flat face thereof for providing a sliding-contact surface being in contact with...
5478212 Swash plate type compressor  
A swash plate type variable capacity compressor having rotary valves that rotate together on a rotating shaft. The rotary valves are arranged on the shaft in such a manner that, upon one complete...
5477773 Wave plate type compressor  
Disclosed is a compressor having a plate rotatable about an axis of a rotary shaft and a piston connected to the plate. The plate causes the piston to reciprocate between a top dead center and a...
5466130 Helm pump  
A swash plate pump is particularly adapted for use as a helm pump for controlling a tiller of a marine vessel and has a rotor mounted within a pump housing. The rotor is rotatable by a wheel about...
5466129 Valved discharge mechanism of a refrigerant compressor  
A refrigerant compressor includes a compressor housing divided at least partially by a valve plate into a first chamber comprising a compression chamber, and a second chamber comprising a discharge...
5461967 Swash plate compressor with improved piston alignment  
A swash plate driven piston compressor includes means to maintain the pistons on their respective cylinder bore axes. A resilient alignment ring bears on the radial inner sides of the pistons at a...
5456158 Reciprocating compressor  
A refrigerant compressor of the type in which a cylinder block and front and rear housings made of an aluminum alloy are fastened together by means of a plurality of bolts made of a ferrous metal...
5433137 Thrust bearing structure for swash plate compressor  
A swash plate compressor in which a drive shaft is rotatably supported in a cylinder block having a crank chamber. The swash plate is rotatably disposed on the drive shaft. Thrust bearings are...
5429482 Reciprocatory piston type compressor  
A reciprocatory piston type compressor having a compressor body in which a low pressure suction chamber for the refrigerant before compression, a discharge chamber for the refrigerant after...
5425303 Slant plate-type compressor with variable displacement mechanism  
A slant plate type compressor with a variable displacement mechanism is disclosed. The compressor includes a compressor housing having a cylinder block provided with a plurality of cylinders and a...
5421243 Compact refrigerant compressor  
An automotive air conditioning compressor of more compact and efficient design is achieved with a unique cylinder bore and piston shape. While the cylinder bores and pistons are arrayed in a circle...
5419685 Reciprocating-piston-type refrigerant compressor with a rotary-type suction-valve mechanism  
A reciprocating-piston-type refrigerant compressor having a cylinder block having a plurality of cylinder bores in which a plurality of pistons reciprocate to effect suction, compression and...
5417552 Swash plate type variable displacement compressor  
A swash plate is mounted on a drive shaft disposed in a housing having a gas suction chamber in such a way that the swash plate is rotatable integrally with the drive shaft. A plurality of cylinder...
5415530 Axial piston gas 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...
5407328 Displacement detector of variable displacement type compressor  
A swash plate of a variable displacement type compressor is swingably provided within a housing. Pistons reciprocate according to the swinging motion of the swash plate. The gas is compressed and...
5406878 Swashplate actuating device for axial piston pumps and motors  
Transmitting actuating forces from an actuator to a swashplate of an axial piston unit through a pin extending from a lever of the swashplate induces torsional stresses in the lever. The present...
5401144 Swash plate type refrigerant compressor  
A swash plate type refrigerant compressor having an axial cylinder block assembly having therein a double-headed piston operated compressing mechanism for compressing refrigerant gas introduced...
5397218 Support mechanism for a rotary shaft used in a swash plate type compressor  
A swash plate type compressor is disclosed. A swash plate mounted on a rotary shaft reciprocally drives a double headed piston in cylinder bores. The rotary shaft is supported by valve plates, via...
5393205 Axial multi-piston compressor having rotary suction valve  
A compressor includes first and second cylinder blocks having cylinder bores and surrounding a drive shaft, and the bores of the first block are aligned and registered with the bores of the second...
5393204 Wobble plate type refrigerant compressor  
A wobble plate type compressor includes a cylinder housing having a cylinder block and a front end plate. The interior of the housing defines a crank chamber between the cylinder block and the...
5391058 Fluidic apparatus  
A fluidic apparatus includes a pulley driven by an engine, torque limiting means disposed in the pulley and adapted to shut off the transmission of driving force transmitted by the pulley when...
5387092 A/C compressor with integrally molded housings  
An automotive A/C compressor has a novel discharge valve design that can be easily installed even though the compressor shell is made up of only two housings, each of which integrates head,...
5385451 Swash-plate type compressor with tapered bearings and rotary valves  
A swash-plate type compressor comprising a cylinder block, front and rear valve plates, and front and rear housings attached to either end of the cylinder block over the valve plates. A swash-plate...
5385450 Reciprocating-piston type refrigerant compressor with an improved rotary-type suction-valve mechanism  
A reciprocating-piston-type refrigerant compressor provided with a cylinder block having formed therein a plurality of cylinder bores in which a plurality of pistons are reciprocated to effect...
5382139 Guiding mechanism for reciprocating piston of piston type compressor  
An improved piston guiding mechanism for use in piston a type compressor is disclosed. The compressor includes a housing. A cylinder block having a bore is accommodated in the housing. A piston...
5380167 Swash plate compressor with unitary bearing mechanism  
A swash plate type automotive air conditioning compressor that minimizes part count while providing a more robust and improved operation. A large diameter, single slotted ball located in a matching...
5380161 Variable capacity swash-plate compressor with electromagnetic clutch  
In a swash-plate compressor, pistons are slidably received in cylinder bores. A drive shaft is extended through a crank chamber, and is rotated through an electromagnetic clutch means associated...
5380163 Gas guiding mechanism in a piston type compressor  
A piston type compressor is disclosed, which comprises a cylinder block having axial cylinder bores, pistons defining compression chambers in the bores, a drive shaft, and a gas suction and...
5380166 Piston type refrigerant compressor  
A piston type compressor housing encloses a crank chamber, a suction chamber, and a discharge chamber. The compressor housing includes a cylinder block. A plurality of cylinder bores are formed in...
5378114 Gaseous fuel injection pump  
A gas fuel injection pump including a pump body machined with a plurality of plunger sliding bores, the pressure head of which has side entry ingress passages and individual and separate discharge...
5378115 Swash plate type compressor  
A swash plate type compressor comprises a cylinder block cooperating to form therein a compartment accommodating therein a swash plate and also serving as a suction chamber of the compressor, and a...
5375981 Refrigerant gas guiding mechanism in piston type compressor  
A refrigerant gas suction valve mechanism for a reciprocating piston type compressor is disclosed. The mechanism has a drive shaft rotatably disposed in a gas receiving chamber where uncompressed...
5372483 Axial multi-piston type compressor having rotary valve for introducing fluid from suction chamber into cylinder bores  
An axial multi-piston type compressor includes: a drive shaft; a cylinder block having cylinder bores surrounding the shaft, a central circular space, and respective radial passages for...
5370505 Axial multi-piston compressor with internal lubricating arrangement for shaft seal unit  
An axial multi-piston compressor having a drive shaft which rotates and a cylinder block having a multiplicity of cylinder bores and pistons within the cylinder bores. The cylinder block is...
5370506 Piston type compressor with a rotary suction valve  
A piston type compressor has a plurality of cylinder bores in which a plurality of pistons reciprocate to effect suction, compression and discharge of refrigerant gas in response to rotation of a...
5368449 Refrigerant gas guiding mechanism for piston type compressor  
A plurality of pistons are provided in the associated cylinder bores arranged around the rotary shaft. Each piston reciprocates in relation to the rotation of the rotary shaft to execute suction,...
5363740 Fluid motor/pump with scavenged case  
A fluid device (pump or motor) comprises a case having a closed chamber, a rotating element mounted for rotation within the closed chamber, a reciprocating piston drivingly connected to the...
5362208 Swash plate type compressor  
A swash plate type variable capacity compressor having rotary valves 16 and 17 that rotate together on a rotating shaft 1. The rotary valves 16 and 17 are arranged on the shaft 1 in such a manner...
5358388 Noise reduction at the second order frequency  
A rotary pump (10) is disclosed of the type including a rotating cylinder block (25) defining a plurality of cylinders (27), each defining an imaginary axis (a), which are uniformly spaced about an...
5354180 Hydrostatic assembly having multiple pumps  
A hydrostatic assembly including a primary pump formed by a swash plate type axial piston engine and at least one coaxial secondary pump formed by a swash plate type axial piston engine. An...
5354181 Hydraulic piston pumps equipped with suction valve  
Hydraulic piston pump driven in an alternating reciprocating motion by bearing, through a stud, against a cam carried by a drive shaft, characterized by the fact that a device acting as non-return...