Hydraulic cylinder for generating vibrations

Details Hydraulic cylinder for generating vibrations Hydraulic cylinder for generating vibrations

1980-07-23

1982-03-02

Maslousky, Paul E.

Motors: expansible chamber type

Independently operated timer, delay, pattern or cyclic control

Independent distributor actuation for cyclic control

91417R, 91470, F15B 2102, F15B 1517

Patent

active

043174060

ABSTRACT:
A hydraulic cylinder for generating vibrations which comprises: a cylinder body; a hollow piston rotatably mounted in said cylinder body; and a valve rotor rotatably engaged within said hollow piston, said valve rotor having a change-over valve portion adapted to be rotated for applying hydraulic loads to said piston alternately in axially opposite directions.

REFERENCES:
patent: 2402300 (1946-06-01), Shimer
patent: 2876742 (1959-03-01), Sherill
patent: 3368457 (1968-02-01), Lewakowski
patent: 3678803 (1972-07-01), Schwenzfeier

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