Automatic temperature and humidity regulation – Closed fluid heaters – Top burner control
Patent
1992-11-24
1994-09-20
Wayner, William E.
Automatic temperature and humidity regulation
Closed fluid heaters
Top burner control
25112908, 25112921, F16K 3106
Patent
active
053482247
ABSTRACT:
Gas is supplied to a gas flow modulator having a tubular member with a gas flow passage extending through the tubular member. A slide member in the gas flow passage is axially slidable longitudinally along the passage. Springs within the tubular member in opposite directions on the slide member so as to resiliently bias the slide member towards a predetermined position in the gas flow passage. A flow constrictor means is fixedly positioned within the gas flow passage for constricting gas flow along the gas flow passage, the slide member and the flow constrictor means being shaped to cease the flow of gas along the gas flow passage upon displacement of the slide member in a first direction from the predetermined position by means of an electromagnetic induction coil extending around the exterior of the tubular member and in cooperation with a magnetic material forming at least part of the slide member or secured thereto. The gas flow modulator may be used in a water heating system where a temperature sensing means senses water temperature to in turn control a power source to the induction coil so as to regulate the burning of gas at a gas burner in communication with the gas flow modulator. The slide member is prevented from sticking in the tubular member by rectifying or modulating the power signal to the induction coil which causes the slide member to vibrate.
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Consadori Franco
Slamka Richard
Hydro Flame Corporation
Wayner William E.
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