Carburetor
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United States of America Patent
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Issued Date -
May 27, 2010
app pub date -
Nov 5, 2009
filing date -
Nov 26, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
To prevent back bleed in a carburetor including a slow fuel passage branched from a main fuel passage, in a carburetor for an engine in which a slow air intake port to introduce air into a slow air bleed passage opens on the side of a suction passage; a slow fuel passage is connected in the middle of a main fuel passage on the upstream side, joins the slow air bleed passage on the downstream side, and has an open end on the side of the suction passage; and the main fuel passage opens in a state where a main nozzle projects in a venturi part of the suction passage, wherein the slow air intake port is opened at a predetermined position of the venturi part having an inner diameter equal to or less than that of the suction passage at a position where the main fuel passage opens.
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