Importance

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Abstract

A power fuel oil burner is provided that includes an electrical motor having a double ended shaft. A squirrel-cage blower overlies the motor. A scroll housing includes a scroll wall that overlies and radially surrounds the blades of the blower. A motor mount integral with the scroll housing supports the motor. The scroll housing is an integral die-cast casting. A fuel pump is driven by a second end of the shaft externally of the scroll housing. A mounting member includes an open cylindrical portion and a radial flange portion. The cylindrical portion is received within the air outlet of the scroll housing, and a cylindrical burner tube is received within the cylindrical portion of the mounting member for communication with the air blower. An integral sheet metal stamped flamelock is disposed within the burner tube downstream of the burner means, is cup-shaped and has an annular frusto-conical portion and an annular ring portion extending radially inward from the frusto-conical portion. The frusto-conical portion includes a plurality of circumferentially-spaced knockouts that are selectively removable. The frusto-conical portion further includes a pair of spaced integral locktabs extending outward therefrom and frictionally engaging the interior surface of the burner tube. The annular ring portion includes a plurality of integral radial slots and vanes for altering airflow through the flamelock.

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First Claim