A - Human Necessities – 01 – G
Patent
A - Human Necessities
01
G
15/57
A01G 1/12 (2006.01) A01D 51/00 (2006.01) A47L 5/14 (2006.01)
Patent
CA 1283514
ABSTRACT OF THE DISCLOSURE The present invention is directed to an internal combusion engine powered, blower/vacuum device. The device has an air chamber with an axial air inlet and a tangential air outlet. The engine rotatably drives an impeller, and is controlled by a throttle. A handle is located above the air chamber and the motor, and preferably includes a first section having an axis generally parallel to the axis of the air outlet, and an adjoining section having an axis which extends at an angle of about 15 to 50° to the first section. When the first section of the handle is gripped by an operator the device will be in the vacuum position, with the air outlet in a generally horizontal position. When the second section of the handle is gripped, the device will be in the blower position with the air outlet facing ahead of the operator at a downward angle. The housing of the device is designed to minimize debris hang-up within the housing. impeller blades have a first edge facing the air inlet which extend at an angle to the impeller blade radial plane from the vicinity of the impeller hub to the vicinity of the air inlet. The portion of the air inlet closest to the front edge of the impeller is separated therefrom by a distance of about 0.15 inches to about 0.27 inches, to reduce debris hang-up in the inlet while maintaining good impeller efficiency.
506108
Cannistra John Steve
Luerken Adolf
Pilatowicz Edward J.
Zimmerer John Louis
Mcculloch Corporation
Riches Mckenzie & Herbert Llp
LandOfFree
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