Speedup device for reciprocating cylinders

Details Speedup device for reciprocating cylinders Speedup device for reciprocating cylinders

1977-06-08

1980-03-25

Cohen, Irwin C.

Motors: expansible chamber type

With motive fluid valve

Contracting chamber exhaust valve controlled by expanding...

91436, F15B 13042

Patent

active

041944364

ABSTRACT:
A speedup device for reciprocating cylinders which make use of fluid pressure such as hydraulic pressure or pneumatic pressure. The speedup device incorporates a poppet valve adapted to be moved for valving upon application of fluid pressure and is installed in a pipe line connecting a control valve to the front and rear chambers of a cylinder, the arrangement being such that when the rod of the reciprocating cylinder is to be extended, all the return from the front cylinder chamber flows into the rear chamber, thereby speeding up the extension of the rod of the reciprocating cylinder.

REFERENCES:
patent: 1812587 (1931-06-01), Ellis
patent: 2890683 (1959-06-01), Pilch
patent: 3497032 (1970-02-01), Schott
patent: 3654835 (1972-04-01), Sievenpiper

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