Rotary valve

Details Rotary valve Rotary valve

F - Mech Eng,Light,Heat,Weapons

16

K

137/89, 137/92

F16K 5/18 (2006.01)

Patent

CA 1151628

ROTARY VALVE ABSTRACT OF THE DISCLOSURE A rotary valve having a hollow spool with a meter- ing notch rotatable on a sleeve which is pressed into a valve body, the sleeve having an opening selectively and progressively alignable with said notch. A thrust needle bearing is trapped between a shoulder on the spool and a cap threaded into the valve body. A passage freely transmits pressure inside said hollow spool to the side of the bearing opposite said shoulders to reduce the thrust force imposed on said bearing.

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