Clearance pocket assembly

Details Clearance pocket assembly Clearance pocket assembly

1986-03-31

1987-09-22

Garrett, Robert E.

Expansible chamber devices

Selective clearance control

F01B 3114

Patent

active

046947329

ABSTRACT:
In a first embodiment, the assembly includes a shallow, substantially figure eight-shaped chamber of intersecting bores with a pair of rotors journalled therein. The chamber has upper and lower, parallel walls which are joined together by means of a peripheral, chamber-enclosing wall. The lower wall has an aperture therein for opening onto a cylinder of an air compressor, or the like, and the rotors sealingly interface the parallel and peripheral walls. By rotating the rotors toward or away from the aperture, a substantial volume of the chamber is closed off from, or opened to, the aperture. Thus, by mounting the Assembly onto a cylinder, with the aperture opening thereinto, the Assembly can be used to alter the effective volume of the cylinder without significantly adding dimension to the cylinder length or diameter.

REFERENCES:
patent: 1997476 (1935-04-01), Wallene
patent: 2423677 (1947-07-01), Balogh
patent: 2596004 (1952-05-01), Barrett
patent: 3174677 (1965-03-01), Ramstad
patent: 3181513 (1965-05-01), Young
patent: 3198421 (1965-08-01), Alyea et al.
patent: 3354785 (1967-11-01), Sagawa
patent: 3354790 (1967-11-01), Race
patent: 3878770 (1975-04-01), Ashton
patent: 4532685 (1985-08-01), Itoh et al.

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