Intake structure for internal combustion engine
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United States of America Patent
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Apr 4, 2017
Grant Date -
Oct 8, 2015
app pub date -
Mar 18, 2015
filing date -
Apr 3, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
The intake structure for an internal combustion engine includes: a collision surface configured to face an inlet of a carburetor; a deflecting surface configured to deflect a blowback flow, which is to diffuse after colliding against the collision surface, in one direction along the collision surface; a receiving surface configured to receive the blowback flow deflected by the deflecting surface; and a fuel-accumulating surface formed below the collision surface. A first clearance between an air-guiding direction distal end of the deflecting surface and the receiving surface is brought into communication to a downstream side of a filter of an air cleaner in a fresh-air intake direction so as to act as a main intake passage for fresh air.
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