Selector valve

Details Selector valve Selector valve

1980-10-17

1982-04-13

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

13762569, 192 8713, F15B 1306

Patent

active

043242740

ABSTRACT:
A selector valve (10) for providing a plurality of fluid signals has a plurality of signal ports (17-22) and a pair of drain ports (23,24) opening into a bore (14) of a body (11) and are angularly spaced one from another in a plane normal to the axis of the bore (14). A spool (12) is reciprocatable within the bore (14) between a plurality of positions. At each position at least one of a plurality of radial passages (48-57) in the spool (12) communicates an inlet passage (25) with a manifold (41), another of the radial passages communicates the manifold (41) with one of the signal ports (17-22) and one or more of a plurality of arcuate pockets (60-68) in the spool (12) communicate the other signal ports (17-22) with the drain ports (23,24). By angularly spacing the signal ports (17-22) and positioning the radial passages (48-57) in the spool (12 ) for selective communication with the signal ports (17-22) at the various positions on the spool (12), a plurality of signals can be obtained with a relatively short travel distance of the spool (12).

REFERENCES:
patent: 3207182 (1965-09-01), Edmunds
patent: 3274858 (1966-09-01), Meyer et al.
patent: 3586054 (1971-06-01), Michael
patent: 3618727 (1971-11-01), Cornet
patent: 4294287 (1981-10-01), Boswell

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