Automatic temperature and humidity regulation – Motors – Relay
Patent
1986-11-28
1988-07-05
Wayner, William E.
Automatic temperature and humidity regulation
Motors
Relay
236DIG1, 60529, G05D 1500
Patent
active
047549203
ABSTRACT:
A compact linear operator is provided for a gas valve. The operator may be of modular form for operative combination with combination gas controls of existing design, as by threaded engagement with an existing threaded bore in the control. The operator is suited for directly controlling displacement of a valve or more typically, for controlling displacement of the seat for the regulating spring associated with a servo pressure regulating diaphragm/valve arrangement. The operator includes a controllably heated bimetallic actuator, and a plunger directly or indirectly driven linearly by deflection of the actuator. To enhance compactness of the operator, a displacement-amplifying lever is interposed between the actuator and the plunger. Stops are included for establishing "high fire" and "low fire" limits for the regulated gas pressure.
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Turner Jesse H.
Van Fossen Robert A.
Hamilton Standard Controls Inc.
Wayner William E.
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