Hydraulically actuated detent mechanism

Details Hydraulically actuated detent mechanism Hydraulically actuated detent mechanism

1974-12-16

1976-08-03

Cohen, Irwin C.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Valve locking means

F15B 1301, F15B 1316

Patent

active

039722643

ABSTRACT:
A hydraulically actuated detent mechanism for positioning an elongated spool in the bore of a control valve has circumferentially spaced apart, radial bores opening at their inner ends to the valve bore and having their outer ends in communication with a source of fluid pressure, a detent plunger arranged in each of the radial bores and tending to be urged into balanced detent engagement with axially spaced apart depressions in the spool by fluid pressure in the outer ends of the radial bores. Preferably, the detent mechanism also includes kickout means which are operable for releasing the spool from detent engagement through the introduction of fluid pressure into the inner ends of the radial bores.

REFERENCES:
patent: 2689585 (1954-09-01), Presnell
patent: 2862518 (1958-12-01), McAlvay
patent: 3670628 (1972-06-01), Borer et al.
patent: 3721160 (1973-03-01), Kittle

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