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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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