Stoves and furnaces – Fireplaces or accessories – With air pump
Patent
1997-06-17
1999-05-18
Yeung, James C.
Stoves and furnaces
Fireplaces or accessories
With air pump
126530, 126540, F24B1/189
Patent
active
059041374
ABSTRACT:
A fireplace heat exchanger that includes an air blower unit having an input for drawing air into the air blower unit and an output for expelling air from the air blower unit; a heat exchange unit, in airflow connection with the output of the air blower unit, having at least four heat exchange sections and an airflow passageway running through the at least four heat exchange sections and terminating in a heat exchange output port; at least one log retainer extending outwardly from an upper surface of the heat exchange unit; a heated air discharge manifold having a manifold chamber in airflow communication with the heat exchange output port of the heat exchange unit, an elongated air discharge vent formed through a front manifold surface thereof and two spaced manifold bolts extending from the front manifold surface thereof; a combination vent restricting and directing assembly that includes a pivoting deflecting panel, left and right deflecting panel supports extending from a U-shaped base plate having two parallel oriented sections, and left and right deflecting panel locking nuts threaded onto left and right deflecting panel guide bolts, the U-shaped base plate having an elongated positioning channel formed in each of parallel oriented sections thereof that are each positioned over one of the two spaced manifold bolts that extend from the front manifold surface; and two manifold locking nuts, each of the manifold locking nuts being threaded onto one of the two spaced manifold bolts.
REFERENCES:
patent: 3452737 (1969-07-01), Pellegrino et al.
patent: 4114590 (1978-09-01), Frahm
patent: 4193387 (1980-03-01), Cline
patent: 4240401 (1980-12-01), Chestnut et al.
patent: 4258879 (1981-03-01), Nischwitz
patent: 4445497 (1984-05-01), Kildlay, Sr.
patent: 4535752 (1985-08-01), Cagle
patent: 4694818 (1987-09-01), Bridgewater
patent: 4738241 (1988-04-01), Bernelov et al.
Breaux Joseph N.
Yeung James C.
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