Hydraulic control valve including electromagnetic detent

Details Hydraulic control valve including electromagnetic detent Hydraulic control valve including electromagnetic detent

1977-06-23

1980-04-01

Maslousky, Paul E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Valve locking means

251 68, 251297, F16K 3106, F16K 3144

Patent

active

041955510

ABSTRACT:
The disclosure is directed to an electromagnetic detent assembly for use with a manually operable hydraulic control valve to maintain the control spool in a predetermined limit position. The electromagnetic force created by the electromagnetic detent can be varied by an electronic circuit commensurate with the particular hydraulic application. A "feel" mechanism is also included, indicating to the operator that further manual movement of the control valve will cause it to reach the electromagnetic detent position.

REFERENCES:
patent: 2331108 (1943-10-01), Ganahl
patent: 2910079 (1959-10-01), Beeghly
patent: 3196320 (1965-07-01), Manting
patent: 3602245 (1971-08-01), Meisel
patent: 3667723 (1972-06-01), Schneider
patent: 3790129 (1974-02-01), Pauls
patent: 3823647 (1974-07-01), Campbell et al.

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