Electric heating device for motor vehicles

Details Electric heating device for motor vehicles Electric heating device for motor vehicles

2005-02-09

2010-02-23

Hoang, Tu B (Department: 3742)

Electric heating

Heating devices

With heater-unit housing, casing, or support means

C219S201000, C219S202000, C219S505000, C219S548000, C392S347000, C392S423000, C392S422000, C392S435000

Reexamination Certificate

active

07667165

ABSTRACT:
An auxiliary heater for motor vehicles includes an open housing accommodating a layered structure which includes at least one radiator element and at least one heat-emitting element having at least one PTC heating element, and further accommodating at least one spring element pretensioning the layered structure, a plurality of contacts being held in said housing in an insulating manner and electrically connected to the at least one PTC heating element. The layered structure is pretensioned by a displacer which is inserted into a lower housing component when the elements of the layered structure have been inserted in the lower housing component in a tension-free manner. The displacer is inserted into the lower housing component in a direction approximately perpendicular to the plane of the layered structure and, in the mounted position, it is secured in position relative to said lower housing component.

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patent: 6919535 (2005-07-01), Uhl et al.
patent: 6940050 (2005-09-01), Probst
patent: 7026584 (2006-04-01), Bohlender
patent: 199 11 547 (2000-09-01), None

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