Fluid compressor with selector valve

Details Fluid compressor with selector valve Fluid compressor with selector valve

1994-08-12

1996-08-20

Freay, Charles

Pumps

Condition responsive control of pump drive motor

Responsive to pump or pump fluid temperature

623246, 62325, 13762543, 25112911, F04B 4910, F25B 2700

Patent

active

055473440

ABSTRACT:
A fluid compressor comprising a closed casing, compression mechanism provided in the casing for compressing an uncompressed low-pressure fluid and discharging a compressed high-pressure fluid into an inside space of the casing, and a selector valve attached to the casing and including a valve disk which is rotatable in the casing so as to change the passage of the high-pressure fluid flowing out from the inside space of the casing to an outside space of the casing and to switch the passage of the low-pressure fluid flowing from the outside of the casing into the selector valve to communicate with the compression mechanism.

REFERENCES:
patent: 4702088 (1987-10-01), Ozu
patent: 4825908 (1989-05-01), Tsuchihashi et al.
patent: 5118260 (1992-06-01), Fraser, Jr.
patent: 5200872 (1993-04-01), D'Entremont
patent: 5275008 (1994-01-01), Song et al.

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