Electric resistance heating devices – Heating devices – Continuous flow type fluid heater
Patent
1995-05-30
1996-12-31
Jeffery, John A.
Electric resistance heating devices
Heating devices
Continuous flow type fluid heater
165184, 165DIG441, F24H 116
Patent
active
055902405
ABSTRACT:
A high efficiency, non-contaminating fluid heater, including inner and outer helical passageways formed from an electrically non-conductive material and through which ultra pure fluid, such as ultra pure water, passes as it is heated. A coiled resistance heater is disposed about the helical outer surface of the inner helical passageway to heat by radiation, conduction and convection the ultra pure fluid which flows through the inner passageway. The outer passageway substantially surrounds the inner passageway and, at least in part, supports the outer passageway. The outer helical passageway is disposed to enable ultra pure fluid flowing therethrough to absorb radiated and convected heat from the coiled resistance heater to increase the efficiency of the fluid heater.
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Jeffery John A.
Process Technology Inc
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