Electrical resistance heater

Details Electrical resistance heater Electrical resistance heater

1987-01-05

1988-05-03

Broome, H.

Electric heating

Heating devices

With heating unit structure

219443, 219459, H05B 344, H05B 350

Patent

active

047422114

ABSTRACT:
An electrical resistance heater comprises a planar structure having a plurality of elements arranged in parallel side-by-side relationship. Each element comprises a casing containing a resistance heating wire which is embedded in a matrix of a material of good thermal conductivity. The casing has an upwardly radiating surface provided with a series of convolutions of which the re-entrant portions communicate with openings extending through the heater.

REFERENCES:
patent: 1531308 (1925-03-01), Rice et al.
patent: 1614661 (1927-01-01), Detwiler
patent: 1659774 (1928-02-01), Hicks
patent: 2812706 (1957-11-01), Francia et al.
patent: 2856502 (1958-10-01), Wolf

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