The Scott-Fetzer Company

Wayne/scott Fetzer Company

James E Wellman

Robert A Kaplan

Harley B Kaplan

Mark A Reicke

Warren E Jarvis

Richard J Ostroski

John M Mulqueen

Fuel oil burner

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.

Power fuel oil burner

A gun-type fluid fuel burner having a blast tube with a fuel dispensing nozzle therein includes a blower housing having a scroll side wall and opposite end walls. The housing side wall has an upwardly facing air discharge opening therein which communicates with the blast tube, and one of the end walls has an air inlet opening therein. A squirrel cage blower wheel having a diameter more than twice its width is mounted for rotation in the housing and is directly driven by a two pole single phase alternating current motor mounted on one of the housing end walls, the blower drawing air through the input opening and discharging the air under pressure through the discharge opening. A damper plate is mounted on the housing for movement between an open position and a position closing the discharge opening, the damper being moved to its open position in response to air pressure from the blower and returning to its closed position under the influence of biasing force.

Energy efficient high static pressure fluid fuel burner

A power gas burner includes a plenum having front and rear walls and a side wall. A blast tube is connected to the front wall communicating with the plenum. A blower has its discharge connected to the plenum. An air-gas mixing tube is disposed in the blast tube with its discharge adjacent the distal end thereof and its inlet extending into the plenum, the mixing tube defining a secondary air passage with the blast tube. The mixing tube has an air-admitting opening adjacent its inlet communicating with the plenum. A gas line extends into the inlet of the mixing tube. A spider supports the discharge of the mixing tube and has legs engaging the distal end of the blast tube. A flame spreader disc is spaced from the discharge of the mixing tube, the diameter of the disc being generally equal to the diameter of the mixing tube at its discharge. The disc is mounted on one end of a rod extending through the air passage, the plenum and the rear wall, the rod being adjustably supported for selective longitudinal movement of the disc between a position spaced from the discharge of the mixing tube and a position outwardly from the rear wall for manual adjustment of the disc between the positions thereof. A sleeve on one of the spider legs slideably supports the other end of the rod.

Adjustable flame spreader for gun-type power gas burner

Growing community of inventors

Fort Wayne, IN, United States of America

James E Wellman