Electric resistance heating devices – Heating devices – Tank or container type liquid heater
Reexamination Certificate
2007-12-04
2007-12-04
Campbell, Thor S. (Department: 3742)
Electric resistance heating devices
Heating devices
Tank or container type liquid heater
C392S441000
Reexamination Certificate
active
11270660
ABSTRACT:
A resistance heater10for a liquid system, in particular a fuel system of a diesel engine, in which a heating element13is connected to at least two contact rods12a, 12b. Terminals are provided on the contact rods12a,12bso that they can receive an electric voltage. In addition, a sensor24is provided with which at least one parameter in the liquid system can be detected, and the sensor24is connected accordingly to at least one analyzer unit18.
REFERENCES:
patent: 5703998 (1997-12-01), Eckman
patent: 102 22 946 (2003-10-01), None
Haubold Thomas
Herrmann Ralf
Campbell Thor S.
Crowell & Moring LLP
Mann & Hummel GmbH
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