Electric heating – Heating devices – With heating unit structure
Patent
1992-11-16
1995-10-31
Walberg, Teresa J.
Electric heating
Heating devices
With heating unit structure
392491, H05B 314
Patent
active
054632064
ABSTRACT:
A heater unit includes a honeycomb heater having a resistance adjusting component and a casing for holding the heater, wherein at least part of the side of the heater is covered with protective member(s) via an inorganic adhesive and the resulting heater is held in said casing. This heater unit has a highly integral structure and can prevent short circuiting even under the severe driving conditions of automobiles and allows the resistance adjusting component (e.g. slits) to have reliable isolation from each other.
REFERENCES:
patent: 5063029 (1991-11-01), Mizuno et al.
patent: 5140813 (1992-08-01), Whittenberger
patent: 5194719 (1993-03-01), Merkel et al.
patent: 5202547 (1993-04-01), Abe et al.
patent: 5202548 (1993-04-01), Kondo et al.
Abe Fumio
Deguchi Yuuji
Kondo Tomoharu
NGK Insulators Ltd.
Walberg Teresa J.
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