Vane-type compressor

Details Vane-type compressor Vane-type compressor

1980-12-08

1985-02-12

Cox, Ronald B.

Rotary expansible chamber devices

Positively actuated vane

Fluid biased

418267, 417310, F01C 100, F02C 200

Patent

active

044988532

ABSTRACT:
A vane-type compressor of the lubrication type in which pressure applied to vane bottoms is controlled to prevent vane breakage and excessive wear. A rotor is disposed between a rotor housing and a pair of side housings with vanes slidingly disposed within corresponding vane grooves radially formed in the rotor. Intake fluid pressure is applied to spaced defined between each of the grooves and the bottom of the corresponding vanes during suction strokes through a first arcuate groove. A second arcuate groove is formed in an inner surface of the side housings at a position corresponding to the spaces during compression strokes. A pressure discharge passage connected to the arcuate groove and an outlet port is provided and a check valve is provided in the pressure discharge passage.

REFERENCES:
patent: 3216363 (1965-11-01), Snow et al.
patent: 3252423 (1966-05-01), Whitmore et al.
patent: 3254570 (1966-06-01), Mazur
patent: 3255704 (1966-06-01), Mazur
patent: 3272139 (1966-09-01), Rosaen
patent: 3311064 (1967-03-01), Eichele et al.
patent: 3447477 (1969-06-01), Pettibone
patent: 4104010 (1978-08-01), Shibuya

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