Carburetor fuel supply system
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United States of America Patent
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Jun 23, 2015
Grant Date -
May 16, 2013
app pub date -
Nov 15, 2012
filing date -
Nov 15, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A purge and prime assembly for a carburetor includes a purge and prime pump that alternately takes in and discharges fluid, and a plurality of passages through which fluid is routed. The passages may include a purge passage through which fluid is drawn by the purge and prime pump, a return passage through which fluid is discharged from the purge and prime pump and discharged from the carburetor, and a priming passage through which a portion of the fluid discharged from the purge and prime pump is routed to a main bore of the carburetor. The assembly may also include a purge valve that prevents fluid from being discharged from the purge prime pump through the purge passage, and a return valve that prevents fluid in the return passage from being drawn into the purge and prime pump.
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