Hydraulic cylinder/piston mechanism

Details Hydraulic cylinder/piston mechanism Hydraulic cylinder/piston mechanism

1992-03-18

1993-08-17

Denion, Thomas E.

Motors: expansible chamber type

With correlated control of motive fluid and locking means

Sequential operation of locking means and motive fluid control

91 45, 91420, 91433, 91464, F15B 1526

Patent

active

052358968

ABSTRACT:
In a position independent locking of a hydraulic cylinder/piston mechanism, a pressure limiting member is provided in the supply pipe for the hydraulic medium, with the pressure limiting member being open during the hydraulic displacement of the piston and is closed during lack of hydraulic pressure. The pressure limiting member opens starting from a specific pressurization of the hydraulic medium as a result of a force generated by means of the piston and is located in a related working chamber.

REFERENCES:
patent: 3274902 (1966-09-01), Kleckner
patent: 3747351 (1973-07-01), Wilkerson
patent: 3908515 (1975-09-01), Johnson
patent: 3933167 (1976-01-01), Byers, Jr.
patent: 4244275 (1981-01-01), Smilges
patent: 5081904 (1992-01-01), Horn et al.

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