Slant plate type compressor with variable displacement mechanism

Details Slant plate type compressor with variable displacement mechanism Slant plate type compressor with variable displacement mechanism

1988-11-28

1990-10-02

Smith, Leonard E.

Pumps

Condition responsive control of drive transmission or pump...

Adjustable cam or linkage

417270, F04B 128

Patent

active

049603671

ABSTRACT:
A slant plate type compressor with a capacity or displacement adjusting mechanism is disclosed. The compressor includes a housing having a cylinder block provided with a plurality of cylinders and a crank chamber. A piston is slidably fitted within each of the cylinders and is reciprocated by a drive mechanism which includes a member having a surface with an adjustable incline angle. the incline angle is controlled by the pressure situation in the crank chamber. The pressure in crank chamber is controlled by control mechanism which comprises a passageway communicating between the crank chamber and a suction chamber and valve device to control the closing and opening of the passageway. The valve device includes a valve element which directly controls the closing and opening of passageway. A valve device includes a bellows valve element and a valve shifting element. The valve shifting element is coupled to the bellows to apply a force to the bellows and thereby shift a control point of the bellows in response changes in the discharge chamber pressure.

REFERENCES:
patent: 4037993 (1977-07-01), Roberts
patent: 4428718 (1984-01-01), Skinner
patent: 4685866 (1987-08-01), Takenaka et al.
patent: 4687419 (1987-08-01), Suzuki et al.
patent: 4688997 (1987-08-01), Suzuki et al.
patent: 4702677 (1987-10-01), Takenaka et al.
patent: 4723891 (1988-02-01), Takenaka et al.
patent: 4730986 (1988-03-01), Kayukawa et al.
patent: 4732544 (1988-03-01), Kurosawa
patent: 4752189 (1988-06-01), Bearint et al.

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