Furnace blower housing and mounting bracket
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United States of America Patent
Stats
-
Aug 20, 1991
Grant Date -
N/A
app pub date -
May 17, 1990
filing date -
May 17, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An exhaust fan blower is provided for use in induced draft furnaces. An integrally molded fan housing and exhaust conduit is provided of a material impervious to the corrosive effects of exhaust gas condensates. The conduit is of a round cross section to mate with an associated flue pipe. The fan blower includes a conduit in communication with a pilot light for constantly venting the pilot light irrespective of operation of the blower. A first bore in the fan blower housing provides means for monitoring the vacuum developed therein, while another bore provides a means for thermally sensing a blocked or restricted flue condition. A flange and mounting lugs about the periphery of the fan blower housing provide a means for mounting the system to the side of a furnace panel, while sealing such mounting engagement. A motor mounting bracket for the fan blower serves as a cooling fan guard and heat sink, having a bearing contact mounting seat cast integrally to the bracket.
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