Control valve

Details Control valve Control valve

1986-10-16

1988-09-06

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

91375A, 91467, F15B 1304

Patent

active

047685549

ABSTRACT:
A control valve is disclosed herein. The control valve includes a valve sleeve and a rotor which is rotatably inserted into the valve sleeve. The valve sleeve have a plurality of fluid passages comprising a plurality of through passages which pass through the wall of the valve sleeve and a plurality of recessed grooves axially elongated on the inside surface of the valve sleeve. The rotor has a plurality of fluid passages opposing with said fluid passages of the valve sleeve. The fluid passages of the rotor cooperate with said fluid passages of the valve sleeve to open and close fluid flow. The valve sleeve has fluid flow noise suppress means formed by many continuous undulations along side edges of the recessed groove of the valve sleeve.

REFERENCES:
patent: 4218041 (1980-08-01), Bernat

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