Fireplace heaters

Details Fireplace heaters Fireplace heaters

1977-08-15

1979-10-09

Freeh, William L.

Stoves and furnaces

Liquid heater

237 51, F24B 700

Patent

active

041702182

ABSTRACT:
The specification discloses fireplace heaters wherein U-shaped, heat exchanging ducts serve also as grates for logs, and each heater has two duct-like legs telescoping into the legs of the heat exchanging duct thereof. A front channel-like member is secured to the legs. In one embodiment, a box-like housing with a blower at one end portion and an outlet grille at the other end portion is secured to the channel member. In an alternate embodiment, a blower unit is attached to the channel member. Each heat exchanging duct may be inverted for either a flush-type fireplace or for a pit-type fireplace.

REFERENCES:
patent: 3930491 (1976-01-01), Miller
patent: 4010729 (1977-03-01), Egli
patent: 4018208 (1977-04-01), Hamilton
patent: 4049196 (1977-09-01), Bergami et al.
patent: 4077388 (1978-03-01), Whiteley

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