Hydraulic cylinder and piston with automatic reciprocation valve

Details Hydraulic cylinder and piston with automatic reciprocation valve Hydraulic cylinder and piston with automatic reciprocation valve

1981-03-09

1983-05-17

Maslousky, Paul E.

Motors: expansible chamber type

Cyclically operable

With means independent of distributor reversing parts to...

91321, 91342, F01B 718, F01L 2300

Patent

active

043834752

ABSTRACT:
A reciprocation valve for a hydraulically actuated reciprocation motor, wherein the motor has hydraulic inlet and outlet passages into a cylinder through a porting block, and a slidable collar is fitted over the porting block for selectively opening and closing the passages, and a lightweight carriage assembly is attached to the collar and is actuated by a trip rod coupled to a piston within the cylinder.

REFERENCES:
patent: 1405773 (1922-02-01), Folberth
patent: 2556680 (1951-06-01), Davis
patent: 3561325 (1971-02-01), Lamb et al.
patent: 4079660 (1978-03-01), Ives

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