Open coil heater for efficient transport with nestable heating e

Details Open coil heater for efficient transport with nestable heating e Open coil heater for efficient transport with nestable heating e

1994-02-02

1994-06-28

Reynolds, Bruce A.

Electric heating

Heating devices

With heater-unit housing, casing, or support means

392379, 338304, 338315, 206515, 206320, F24H 304, H05B 302, B65D 8102

Patent

active

053249194

ABSTRACT:
An heater includes an electric heating coil that extends above the sidewalls of an air flow channel. The coil is formed in sections that extend transversely to the channel and are spaced by the width of a coil section to allow two heaters to be arranged face to face for shipping. This arrangement is very efficient because one of the heaters provides protection to the coil of the other of the heaters to reduce packaging costs.

REFERENCES:
patent: 1047742 (1912-12-01), Buchanan
patent: 1313258 (1919-08-01), Carmean et al.
patent: 1444621 (1923-02-01), Lynn et al.
patent: 2588812 (1952-03-01), Dougherty
patent: 2973931 (1961-03-01), Brown
patent: 3616943 (1971-11-01), Brink
patent: 3781525 (1973-12-01), Joeckel
patent: 4489839 (1984-12-01), Epperson
patent: 4573595 (1986-03-01), Mednis
patent: 4617547 (1986-10-01), Howard et al.
patent: 5134270 (1992-07-01), Bragg et al.

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