Spool valve

Details Spool valve Spool valve

1975-11-03

1978-04-18

Cohan, Alan

Fluid handling

Systems

Multi-way valve unit

13762569, 251324, F15B 1304

Patent

active

040846180

ABSTRACT:
A control valve for hydraulic systems including a sleeve and a spool supported for slidable motion therein, the sleeve and spool having control lands supported in slightly spaced relation to avoid chipping or abrasive contact and resultant imprecision in valve accuracy.

REFERENCES:
patent: 2920650 (1960-01-01), Moog
patent: 2985566 (1961-05-01), Tsien et al.
patent: 2987050 (1961-06-01), Oppenheimer et al.
patent: 3024808 (1962-03-01), Woodruff
patent: 3163175 (1964-12-01), Pearson
patent: 3588032 (1971-06-01), Girola

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