Electric heating – Heating devices – With heating unit structure
Patent
1997-03-21
1999-07-27
Walberg, Teresa
Electric heating
Heating devices
With heating unit structure
219552, 219538, 338284, 338289, 338291, 338293, H05B 310, H01C 310
Patent
active
059285494
ABSTRACT:
A serpentine etched foil heater has a segmented serpentine conductor group made up of a plurality of spaced-apart elongated serpentine conductive strips that are connected in parallel and are everywhere aligned with each other. Advantageously, central conductive strips are wider than are conductive strips along the edges. Further advantageously, the conductive strips are bridged by conductive regions that extend along lines of constant voltage. This makes it possible to handle the heater element without causing it to become tangled. The heater is especially suitable for low voltage applications.
REFERENCES:
patent: 3468011 (1969-09-01), Curtis
patent: 4144473 (1979-03-01), Almer
patent: 5475204 (1995-12-01), Giamati et al.
Campbell Thor S.
Cox & Company, Inc.
Walberg Teresa
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