Oscillatory rotating engines with rotor speed control

Details Oscillatory rotating engines with rotor speed control Oscillatory rotating engines with rotor speed control

1990-11-13

1992-05-12

Bertsch, Richard A.

Rotary expansible chamber devices

Intermittently accelerated and receding members rotate in...

Each a working member

418 40, F01C 107

Patent

active

051122049

ABSTRACT:
An oscillatory rotating engine has a pair of rotors each defining a pair of diametrically opposed radially extending lobes, the rotors are mounted for rotation within a cylindrical housing and sealingly engage the walls of the cylindrical housing to define four working chambers. Each rotor is drivingly connected to an output shaft by means of an internal/external gear train, the external gear being mounted for rotation with the rotor and the internal gear being mounted rotatably with respect to the output shaft for orbital motion in mesh with the external gear. Each internal gear has an arm with a longitudinal slot which is engaged by a pivotal block which will act to rotationally restrain the internal gear and impose a periodic variation in velocity on the gear train, this periodic variation in velocity for the two rotors being out of phase so that the working chambers are alternately expanded and reduced in volume.

REFERENCES:
patent: 1732995 (1929-10-01), Tsuchudi
patent: 2211292 (1940-08-01), Ryerson
patent: 2899944 (1959-08-01), Patkau
patent: 3753630 (1973-08-01), Sadahiro
patent: 3922118 (1975-11-01), Bancroft
patent: 3937187 (1976-02-01), Bergen
patent: 4072447 (1978-02-01), Gaspar
patent: 4136661 (1979-01-01), Posson
patent: 4311442 (1982-01-01), Simon

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