Electric heater

Details Electric heater Electric heater

2005-05-31

2005-05-31

Walberg, Teresa J. (Department: 3742)

Electric resistance heating devices

Heating devices

Convection space heater

C392S355000

Reexamination Certificate

active

06901213

ABSTRACT:
An electric heater includes a casing having a receiving compartment and an air outlet communicating the receiving compartment to outside and a plurality of radiant conductive fins spacedly supported in the receiving compartment to define an air heating channel between each two radiant conductive fins, wherein each of the radiant conductive fins has at least a guiding slot formed thereon. A heating element is electrically connected to a power source wherein the heating element is transversely extended to the radiant conductive fins through the guiding slots to heat up the radiant conductive fins in such a manner when the radiant conductive fins are heated up for warming an air within the air heating channels, a heat current is created on each radiant conductive fin for creating heat flows flowing from the air heating channels respectively to outside through the air outlet.

REFERENCES:
patent: 1720334 (1929-07-01), Wilhelm
patent: 1728377 (1929-09-01), Trane
patent: 2060088 (1936-11-01), Lane
patent: 2477778 (1949-08-01), Wright
patent: 2848199 (1958-08-01), Drewes, Jr.
patent: 2993978 (1961-07-01), Markel et al.
patent: 4492851 (1985-01-01), Carr
patent: 2001/0020646 (2001-09-01), Hebert

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