Electric resistance heating devices – Heating devices – Continuous flow type fluid heater
Reexamination Certificate
2005-01-04
2005-01-04
Campbell, Thor (Department: 3742)
Electric resistance heating devices
Heating devices
Continuous flow type fluid heater
C137S334000
Reexamination Certificate
active
06839509
ABSTRACT:
A fluid heater apparatus has fluid discharge temperature control to prevent temperature overshoot. A plurality of heater elements are employed and at least certain of the heater elements are independently controllable. At least one of the heater elements is employed as a “finishing” heater element, with the other heating elements deactivated to enable the “finishing” heater element to more slowly elevate the temperature of the fluid in the body from a first temperature reached by activation all or most of the heater elements to the predetermined discharge temperature. One of more of the heater elements may have a different power output than the other heater elements.
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Harris Daryl G.
Kuebler Karl-Heinz
Campbell Thor
Lewis J. Gordon
Valeo Electrical Systems, Inc.
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