Valve spool detent

Details Valve spool detent Valve spool detent

1987-10-16

1989-01-10

Michalsky, Gerald A.

Valves and valve actuation

With friction detent

74527, F16K 3504

Patent

active

047968605

ABSTRACT:
A simplified valve spool detent device including a sleeve attached to the valve body surrounding an extending portion of the valve spool, the sleeve including a plurality of radially spaced holes therein in a common plane with a plurality of balls positioned in the holes, a c-shaped spring positioned outside the sleeve in spring contact with the sleeve, the extending portion of the spool including a cylindrical surface passing through the plane of the balls including a circumferential lug means in the form of a hardened wire ring seated in a circumferential groove in said cylindrical surface.

REFERENCES:
patent: 3218882 (1965-11-01), Stephens et al.
patent: 3285284 (1986-11-01), Junck et al.
patent: 3386312 (1968-06-01), Weasler
patent: 3587457 (1971-06-01), Morris
patent: 3602245 (1971-08-01), Meisel
patent: 3608586 (1971-09-01), Daggy, Jr.
patent: 3712151 (1973-01-01), Diehl
patent: 3776062 (1973-12-01), Ito
patent: 4185661 (1980-06-01), Gill et al.

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