Electrical heating device, especially for motor vehicles
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United States of America Patent
Stats
-
Apr 22, 2008
Grant Date -
Mar 1, 2007
app pub date -
Mar 5, 2004
filing date -
Mar 13, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
This disclosure relates to an electrical heating device, especially for motor vehicles, including a closed frame (2) which include rails (3, 4) and cross rails (5, 6), heating elements (7) which include elements made of electrically conductive plastic layers (18) having PCT effect, which are arranged between contact plates (15, 16), heat-conducting secondary surface elements (8) that can be overflown by air and at least one electrically conductive spring element (9), wherein the heating elements (7) and the secondary surface elements (8) are alternatingly arranged next to one another and are braced against each other by the rails (3, 4) and a spring element (9) placed centrally which replaces the secondary surface element (8).
First Claim
Family
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Cited Art Landscape
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