Double-headed swash-plate operated reciprocating piston type com

Details Double-headed swash-plate operated reciprocating piston type com Double-headed swash-plate operated reciprocating piston type com

1995-11-16

1998-09-29

Denion, Thomas E.

Expansible chamber devices

Relatively movable working members

Interconnected with common rotatable shaft

417269, 74 60, F01B 300

Patent

active

058133143

ABSTRACT:
A double-headed swash-plate operated reciprocating piston type refrigerant compressor having front and rear cylinder blocks provided with axial cylinder bores for receiving the double-headed pistons reciprocated by a swash plate mounted on an axial drive shaft rotating about an axis of rotation thereof together with the swash plate which is axially and rigidly supported by front and rear thrust bearing assemblies including an elastic unit arranged between the thrust bearing of at least one of the front and rear thrust bearing assemblies and a pressure receiving seat formed in the shoulder portion of the swash plate, the elastic unit providing the swash plate with a axial mechanical support having a rigidity which changes in a stepwise manner in response to a change in a discharge pressure of the refrigerant compressed by the compressor.

REFERENCES:
patent: 5233913 (1993-08-01), Muirhead
patent: 5370503 (1994-12-01), Terauchi
patent: 5528976 (1996-06-01), Ikeda et al.

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