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U.S. Department of Energy
Office of Scientific and Technical Information

Fireplace heaters

Patent ·
OSTI ID:5602995

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.

Assignee:
TIC; EDB-80-049654
Patent Number(s):
US 4170218
OSTI ID:
5602995
Country of Publication:
United States
Language:
English

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