Variable displacement swash plate type compressor

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

1998-10-20

2000-12-19

Look, Edward K.

Pumps

Condition responsive control of drive transmission or pump...

Adjustable cam or linkage

92 122, 74839, F04B 126

Patent

active

061620254

ABSTRACT:
In a variable displacement swash plate type compressor, a drive shaft is installed in a case to rotate about its axis. A generally spherical sleeve is axially slidably disposed on the drive shaft, a journal is disposed on the sleeve, and a swash plate is tightly disposed on the journal. For achieving a reliable pivotal movement of the journal relative to the sleeve, the following measures are practically employed. First and second parallel flat surfaces are provided at diametrically opposed portions of the sleeve. Third and fourth parallel flat surfaces are formed on diametrically opposed portions of an inner wall of a generally cylindrical bore defined in the journal. The sleeve is disposed in the generally cylindrical bore of the journal in such a manner that the first and second parallel flat surfaces slidably abut against the third and fourth parallel flat surfaces respectively. Pins are used for connecting the sleeve and the journal to permit the pivotal movement of the journal relative to the sleeve at the slidably mated portions between the first and third flat surfaces and between the second and fourth flat surfaces.

REFERENCES:
patent: 5292233 (1994-03-01), Takenaka et al.
patent: 5316446 (1994-05-01), Kimura
patent: 5540559 (1996-07-01), Kimura et al.
patent: 5706716 (1998-01-01), Umemura
patent: 5749712 (1998-05-01), Umemura
Patent Abstracts of Japan, vol. 097, No. 011, Nov. 28, 1997 & JP 09 175159 A (Calsonic Corp), Jul. 8, 1997.

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