BATTERY-POWERED, LOW-NOISE BACKPACK BLOWER
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United States of America Patent
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app pub date -
Oct 15, 2015
filing date -
Oct 17, 2014
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Abstract
A backpack blower having a fan frame with an air inlet and an air outlet. A fan assembly is positioned within the fan frame. A motor rotates the fan assembly to move air out the air outlet. A controller is connected to the motor and to a battery pack, for using power from the battery pack to energize the motor and thus rotate the fan. A harness frame is connected to the fan frame and has an opening in air flow communication with the air inlet, so that, when the motor is rotating the fan assembly, air is drawn in through the harness frame opening. Since the harness frame is positioned in the area of an operator's back when the blower is in use, the air flow drawn in through the harness frame opening has the effect of cooling the operator.
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