Electrical heating device

Details Electrical heating device Electrical heating device

1976-09-16

1978-08-15

Favors, Edward G.

Combustion

Heated line section feeds flame holder

Electrically heated section

48103, F23D 1144

Patent

active

041068912

ABSTRACT:
An electrical heating device employs a metallic felt body through which fluid to be heated is passed. The felt may be of polycrystalline metal whiskers, or non-metal whiskers or filaments with metal coating applied. The body is heated by contact with an element that is heated electrically. The fluid flows through the body in a relatively long path compared with the distance through which heat has to be conducted through the body from the element. The body is conveniently a hollow cylinder, the fluid flow being parallel to the axis and the heat being applied from the inner and outer tubes between which the felt body is disposed.

REFERENCES:
patent: 1456986 (1923-05-01), Leisten et al.
patent: 2286854 (1942-06-01), Holthouse
patent: 2507464 (1950-05-01), So
patent: 3734677 (1973-05-01), Murase et al.
patent: 3869242 (1975-03-01), Schladitz

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