Portable working machine
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United States of America Patent
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Feb 6, 2018
Issued Date -
N/A
app pub date -
Feb 22, 2016
filing date -
Mar 2, 2015
priority date (Note) -
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Abstract
A cyclone separator having a circular cross section is arranged upstream of an air filter. An introduction passage extends from a branch air inlet, which is provided at a position displaced from a main passage, to the cyclone separator. A margin space where at least part of air introduced in the introduction passage flows is formed in the introduction passage before the cyclone separator. A swirl flow occurring in the cyclone separator starts at this margin space.
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