Variable displacement swash-plate type compressor

Details Variable displacement swash-plate type compressor Variable displacement swash-plate type compressor

1988-01-20

1989-12-12

Freeh, William L.

Pumps

Condition responsive control of drive transmission or pump...

Adjustable cam or linkage

92 122, 91506, F04B 126

Patent

active

048864234

ABSTRACT:
A variable displacement swash-plate type compressor suitable for use as a refrigerant compressor of an automotive air conditioner has a cylinder block having a plurality of cylinder bores each slidably receiving a double-headed piston, a shaft driven by an automotive engine, a swash plate tiltably mounted on the shaft for rotation therewith to reciprocatorily move the pistons, and a spool for moving the swash plate axially of the shaft and changing the angle of tilt of the swash plate. The swash plate and the shaft are connected in such a manner that, when the swash plate is axially moved while changing its tilting angle, the position of stroke end of each piston is changed only in a working chamber on one end of the piston, whereas no change in the position of the stroke end occurs in the other working chamber on the other end of the piston.

REFERENCES:
patent: 2964234 (1960-12-01), Loomis, III
patent: 3010403 (1961-11-01), Zobaty
patent: 3861829 (1975-01-01), Roberts et al.
patent: 3959983 (1976-06-01), Roberts et al.
patent: 4061443 (1977-12-01), Black
patent: 4108577 (1978-08-01), Brucken
patent: 4425837 (1984-01-01), Livesay
patent: 4664604 (1987-05-01), Terauki

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