Hydraulic control valves

Details Hydraulic control valves Hydraulic control valves

1986-04-07

1990-05-15

Michalsky, Gerald A.

Fluid handling

Convertible

Unit orientable in a single location between plural positions

137271, 13759616, 13759618, 13762564, F15B 1302

Patent

active

049249029

ABSTRACT:
A set of components for creating various spool-type directional control valves. By rearranging the spools and springs, or reversing one or more spools end-to-end, valves with different desired and preselected flow patterns can be made from the same components.

REFERENCES:
patent: 2656846 (1953-10-01), Anderson
patent: 3487848 (1970-01-01), Leibfritz et al.
patent: 3653396 (1972-04-01), Logan
patent: 4418711 (1983-12-01), Stoll et al.
patent: 4513780 (1985-04-01), Evans
patent: 4520841 (1985-06-01), Brand et al.
patent: 4616674 (1986-10-01), Bardoll
patent: 4617967 (1986-10-01), Read et al.
patent: 4643225 (1987-02-01), Imhof

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