Snowthrower including power boost system
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United States of America Patent
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Mar 21, 2017
Grant Date -
Apr 9, 2015
app pub date -
Dec 12, 2014
filing date -
Apr 21, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A carburetor includes a passageway having a constricted section, a nozzle directed into the passageway proximate the constricted section, and a shaft having a surface that at least partially defines the constricted section. The nozzle is configured to deliver fuel to air passing through the passageway, and the surface includes a contour that is configured to be moved relative to the passageway to change the area of the passageway through the constricted section.
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