Electric heating system for a motor vehicle

Details Electric heating system for a motor vehicle Electric heating system for a motor vehicle

2005-04-05

2005-04-05

Evans, Robin O. (Department: 3742)

Electric heating

Heating devices

With heater-unit housing, casing, or support means

C219S540000, C219S202000, C219S209000

Reexamination Certificate

active

06875962

ABSTRACT:
An electric heating system for motor vehicles including one or several electric heating elements; a control circuit provided for controlling the power dissipated by the heating elements; the control circuit including one or several power semiconductors arranged on a circuit board; the circuit board is by means of a solid matter connection connected by the side facing away from the power semiconductors to a metal plate intended to be mass potential; the metal plate being electrically insulated from conductor paths located on the underside of the circuit board and intended to carry a voltage in relation to the ground potential; the control circuit being arranged in a housing. One or several heat sinks are provided outside the housing. The metal plate is connected with the heat sinks arranged outside the housing by thermally conductive connectors.

REFERENCES:
patent: 4314270 (1982-02-01), Iwatani
patent: 4419564 (1983-12-01), Marcoux
patent: 5606639 (1997-02-01), Lehoe et al.
patent: 5990459 (1999-11-01), Feustel et al.
patent: 6060699 (2000-05-01), Sakurai et al.
patent: 6392207 (2002-05-01), Beetz et al.
patent: 20030180033 (2003-09-01), Alban et al.
patent: 19848169 (1999-05-01), None
patent: 19902050 (1999-09-01), None
patent: 10015905 (2001-10-01), None
patent: 0682467 (1995-11-01), None
patent: 1164816 (2001-12-01), None

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