Variable displacement compressor

Details Variable displacement compressor Variable displacement compressor

1996-11-22

1998-07-28

Freay, Charles G.

Pumps

Three or more cylinders arranged in parallel, radial, or...

74 60, 92 71, F04B 112

Patent

active

057855030

ABSTRACT:
A swash plate is mounted on a drive shaft in a crank chamber. The swash plate rotates integrally with the drive shaft and changes its inclination angle based on the pressure in the crank chamber. Pistons are provided in cylinder bores and coupled to the swash plate. The rotation of the swash plate is converted into reciprocation of each piston in the associated cylinder bore. The pistons'reciprocation draws the gas from a suction chamber into the compression chamber. The gas is compressed and discharged into the discharge chamber. A lug plate that integrally rotates with the drive shaft is mounted on the drive shaft. The lug plate has a receptacle. The receptacle has a pair of side walls that are spaced apart. The swash plate has an arm extending perpendicular to the swash plate. The arm has a distal end surface extending perpendicular to the axis of the drive shaft. The head slides along the receptacle and receives a load from the swash plate.

REFERENCES:
patent: 4533299 (1985-08-01), Swain et al.
patent: 5105728 (1992-04-01), Hayase et al.
patent: 5231914 (1993-08-01), Hayase et al.
patent: 5387091 (1995-02-01), Kawaguchi et al.
patent: 5681150 (1997-10-01), Kawaguchi et al.

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