Universal retrofit valve actuator and system

Automatic temperature and humidity regulation – Motors – Electric

Patent

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Details

236 91, 744248V, 744248A, 25112903, F16H 118, G05D 1500

Patent

active

057354561

ABSTRACT:
An actuator has a drive gear set to interact with a driven lug to rotate the lug and whatever the lug is fixed to. The actuator must be separately anchored to interact with the lug. The drive gear and the lug have cams that are spaced apart, so that when the lug is fixed to an object which is off its linear axis, there is play in the gear relationship to allow rotation to function. In a system with an actuator, such as a thermostat, temperature can be controlled by turning a valve on a radiator on and off. End of travel is sensed by a current surge stopping the acutation. The system is ideal to operate radiators in a steam heat system.

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Honeywell ML984 VERSADRIVE Integrated Valve Actuator, Form #95C-10513 1988 05 PC/GLS, Honeywell, 740 Elsmere Road, Scarborough, Ontario M1P 2V9, Canada.
Instruction Sheet 102-051, Form H92-051 for Heat-Gard Thermostatic Valves from Taco, Inc. of 1160 Cranston Street, Cranston, RI 02920.

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