Power-operated air propelling work apparatus
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United States of America Patent
Stats
-
Sep 4, 2018
Grant Date -
Apr 21, 2016
app pub date -
Oct 2, 2015
filing date -
Oct 21, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A power-operated air propelling work apparatus includes: an air flow pipe including an air inlet opening, an air outlet opening and a pipe wall formed between the air inlet opening and the air outlet opening to define an air flow passageway inside the pipe wall; an electric air propelling fan disposed within the air flow passageway for sucking in air from the air inlet opening and blowing out air from the air outlet opening; an apparatus housing surrounding and supporting the air flow pipe and forming a housing space between the apparatus housing and the air flow pipe; and a control circuit unit disposed within the housing space for controlling an operation of the electric air propelling fan, wherein the pipe wall is formed with an air passage hole by which the air flow passageway and the housing space communicate with each other.
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