Combustion – Mixer and flame holder
Patent
1998-02-26
1999-08-03
Dority, Carroll B.
Combustion
Mixer and flame holder
126512, 481801, F23D 1462
Patent
active
059316616
ABSTRACT:
An air to gas mixing valve is provided for fireplaces especially those having sealed combustion chambers as employed in direct vent fireplaces. The novel mixing valve comprises a channel shaped shutter which mounts on and is linearly slidable over a window or windows made a part of the gas mixing pipe which connects to the fireplace burner. An adjustment rod is rotatably coupled to an actuating arm on the channel shaped shutter and extends through at least one sealed panel and has a rotatable nut or screw for linearly moving the shutters over the windows from a remote position.
REFERENCES:
patent: 1281300 (1918-10-01), Cross
patent: 1314003 (1919-08-01), Leese
patent: 1485371 (1924-03-01), Curran
patent: 2359002 (1944-09-01), Carroll
patent: 2474957 (1949-07-01), Reeves
patent: 3818937 (1974-06-01), La Ganke
patent: 3905756 (1975-09-01), Ferlin et al.
patent: 4702691 (1987-10-01), Ogden
patent: 5553603 (1996-09-01), Barudi et al.
patent: 5667375 (1997-09-01), Sebastiani
Dority Carroll B.
Hearth Technologies Inc.
Sowell ATY John B.
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