Measuring and testing – Blower – pump – and hydraulic equipment
Patent
1983-01-14
1985-02-12
Little, Willis
Measuring and testing
Blower, pump, and hydraulic equipment
73 1C, 7386223, 7386229, G01M 1900
Patent
active
044983360
ABSTRACT:
A torque measuring device is provided for use in conjunction with a valve actuator of the type having a housing and an actuator member movable within the housing in unison with the opening and closure of a valve. The device comprises a mounting plate which is attached to the actuator housing in lieu of the valve. A coupler carried by the mounting plate is detachably secured to the actuator member so that the coupler moves in unison with the actuator member. A double acting piston and cylinder arrangement is attached to the coupler so that the torque applied to the valve actuator member is transmitted to the piston. Fluid gases measure the force imposed on the piston and thus the torque which is applied to the actuator member.
REFERENCES:
patent: 2955454 (1960-10-01), Husher
patent: 3011332 (1961-12-01), Skidmore
patent: 3130574 (1964-04-01), Waters et al.
patent: 3255624 (1966-06-01), Larson
patent: 3475952 (1969-11-01), Schmalbruch
patent: 4154097 (1979-05-01), Scott
patent: 4199032 (1980-04-01), Weiner et al.
patent: 4253325 (1981-03-01), Reed et al.
patent: 4322965 (1982-04-01), Bickford
Dyna-Torque, Inc.
Little Willis
LandOfFree
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