Title:
Valve operating mechanism
United States Patent 3115068
US Patent References:
Pressure regulator with interengaging piston and seat insert
- - 2618908
Diaphragm type expansible chamber operator
- - 2658525
Pressure regulator valve
- - 2707966
Tank filling valve with pressure surge control
- - 2923314
Diaphragm motor
- - 2950739
Pressure regulator with interengaging piston and seat insert
- - 2618908
Diaphragm type expansible chamber operator
- - 2658525
Pressure regulator valve
- - 2707966
Tank filling valve with pressure surge control
- - 2923314
Diaphragm motor
- - 2950739
Inventors:
Lofink, Raymond P.
Publication Date:
12/24/1963
View Patent Images:
Export Citation:
Assignee:
ROCKWELL MFG CO
Primary Class:
Other Classes:
92/100, 92/95, 137/505.180, 91/422
International Classes:
F16K31/126