Automatic temperature and humidity regulation – Closed fluid heaters – Safety cut-out
Patent
1980-04-24
1981-10-20
Tapolcai, Jr., William E.
Automatic temperature and humidity regulation
Closed fluid heaters
Safety cut-out
236 86, F23N 506
Patent
active
042956048
ABSTRACT:
In a diver heating system of the type in which a fluid being circulated in he circulation passage of the diver's clothing is heated by the controlled combustion of a reducing metal in an oxygen atmosphere, a temperature control system in which a gas flow control valve controls the oxygen flow to the reaction to automatically maintain a preset temperature of the circulating fluid and a gas shut-off valve serves as a backup to quickly shut-off the oxygen flow if the temperature of the circulating fluid exceeds a preset value. In both the gas flow control valve and the gas shut-off valve, the heated water is fed through a heat exchanger where it is in thermal contact with a thermofluid so that heat is transferred between the two fluids. The change in volume of the thermofluid with temperature is coupled to a motion bellows which operates to control the flow of oxygen through an orifice.
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Roster Theodore J.
Sergev Sergius S.
Daubenspeck William C.
Sciascia Richard S.
St. Amand Joseph M.
Tapolcai, Jr. William E.
The United States of America as represented by the Secretary of
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