Vibrator

Details Vibrator Vibrator

1977-05-03

1979-03-06

Freeh, William L.

Motors: expansible chamber type

Three or more cylinders arranged in parallel radial or...

Radially disposed cylinders

404117, 74 87, F01B 1306, E01C 1938, B06B 116

Patent

active

041424514

ABSTRACT:
A housing is provided defining a central cavity and a rotor is journaled within the cavity and includes at least one piston bore formed therein extending generally radially of the axis of rotation of the rotor. The bore opens outwardly of the periphery of the rotor and a piston is reciprocal in the bore. The cavity defines at least one pair of approach and departure ramp surfaces extending thereabout in registry with which the outer end of the bore swings upon rotation of the rotor and the piston includes anti-friction thrust means on the end thereof remote from the axis of rotation of the rotor engageable with the ramp surfaces. Inlet and outlet means are provided and operative to admit fluid under pressure into the inner end of the bore and to exhaust fluid from the inner end of the bore in timed relation with rotation of the rotor as the thrust means swings into position engaged with the beginning of the departure and approach ramp surfaces, respectively.

REFERENCES:
patent: 1207239 (1916-12-01), Templin
patent: 2862455 (1958-12-01), Ferris
patent: 3400913 (1968-09-01), Matson
patent: 3426695 (1969-02-01), Klaus
patent: 3623407 (1969-11-01), Dresher
patent: 3780624 (1973-12-01), Webb
patent: 3854284 (1974-12-01), Dealler
patent: 3905204 (1975-09-01), Edwards

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