Inter-engaging threaded rotor and pinion machine with multi-edge

Details Inter-engaging threaded rotor and pinion machine with multi-edge Inter-engaging threaded rotor and pinion machine with multi-edge

1979-11-13

1982-03-23

Vrablik, John J.

Rotary expansible chamber devices

Interengaging rotating members

Non-parallel axis

74425, 74462, F04C 1800, F16H 116, F16H 5508

Patent

active

043210228

ABSTRACT:
A compressor or expansion machine for fluids comprises a rotor, a casing at least partially surrounding the rotor and a pinion which is rotatable about an axis which is not parallel to the rotor axis. The rotor is provided with helical threads having crests which are disposed on a surface of revolution about the rotor axis and the pinion has teeth which engage between two adjacent threads of the rotor to form a compression or expansion chamber in conjunction with the casing, the flanks of the pinion teeth comprising at least three skewed surfaces which intersect in at least two edges.

REFERENCES:
patent: 1791047 (1931-02-01), Symons
patent: 2058230 (1936-10-01), Hornbostel
patent: 2603412 (1952-07-01), Chilton
patent: 3788784 (1974-01-01), Zimmern
patent: 3932077 (1976-01-01), Zimmern

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