Vacuum / blower device
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United States of America Patent
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-
Oct 23, 2018
Grant Date -
Aug 18, 2016
app pub date -
Feb 5, 2016
filing date -
Feb 12, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A vacuum/blower device is provided with a drive motor and a fan operatively connected to the drive motor and driven by the drive motor. A switching device is provided that switches the vacuum/blower device from a vacuum operation to a blower operation and from the blower operation to the vacuum operation. A suction pipe with an intake opening is provided, wherein, in the vacuum operation of the vacuum/blower device, a suction air flow is sucked in from the intake opening toward the fan in a first flow direction. The switching device switches a rotational direction of the fan, wherein the fan in the blower operation conveys a blower air flow through the suction pipe in a second flow direction that is oriented from the fan toward the intake opening.
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