Butterfly valve with a retaining ring

Details Butterfly valve with a retaining ring Butterfly valve with a retaining ring

1978-10-19

1980-09-30

Cline, William R.

Valves and valve actuation

Mechanical movement actuator

Particularly packed or sealed

251306, 308236, 308DIG11, F16K 122

Patent

active

042251125

ABSTRACT:
A butterfly valve is provided having a disc with a hub. The disc is adapted to be rotated between an open and closed position. A housing has a valve seat that is adapted to engage the disc in the closed position. A shaft has one end affixed to the hub and extends outwardly of the housing to permit torque to be transmitted to the disc from a point external thereof. A seal is provided for preventing fluid from passing between the shaft and the housing. A bearing supports the shaft in the housing at a point where the shaft extends outwardly over the housing. A retaining ring frictionally engages the shaft and abuts the bearing to insure that fluid leaking along the shaft does not eject the bearing and cause injury.

REFERENCES:
patent: 3051435 (1962-08-01), Ramsey
patent: 3269696 (1966-08-01), Norton
patent: 3601364 (1971-08-01), Scaramucci
patent: 3664372 (1972-05-01), Marshall
patent: 3666236 (1972-05-01), Gachot
patent: 3675888 (1972-07-01), Scaramucci
patent: 3765065 (1973-10-01), Hay
patent: 4032107 (1977-06-01), Kelchner

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