Valve/actuator torque overload protector

Details Valve/actuator torque overload protector Valve/actuator torque overload protector

1988-07-19

1989-08-29

Chambers, A. Michael

Valves and valve actuation

Lost motion between actuator and valve

Overload release

464 46, 251292, F16K 3144

Patent

active

048609927

ABSTRACT:
A valve/actuator torque overload protector is disclosed as operably associated relative to driving and driven members which are pre-set to transmit limited torque during relative rotary movement between the members. A plurality of spring-loaded tapered rollers are mounted on one of the members for driving engagement with complementary detents on the other of the members. The spring-loaded tapered rollers are pre-set relative to the complementary detents*** in order to permit limited torque engagement of the driving and driven members during relative rotation thereof. However, upon encountering torque exceeding pre-set limits, the spring-loaded tapered rollers disengage from the complementary detent*** to interrupt the transmission of torque between the driving and driven members.

REFERENCES:
patent: 2729077 (1956-01-01), Holloway
patent: 3441115 (1969-04-01), Gunther
patent: 3902334 (1975-09-01), Ryan

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