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Title:
ACCELERATION DEVICE FOR CARBURETOR
Document Type and Number:
Japanese Patent JP2006112315
Kind Code:
A
Abstract:

To suppress after burn phenomenon of an engine right after stopping the engine in a vacuum operation type carburetor.

An acceleration device P is divided into a pump chamber 23 and a pressure receiving chamber 24. An acceleration fuel suction path 25 and an acceleration fuel discharge path 28 open in the pump chamber 23 and a fuel discharge path 30b opens toward an inside of a float chamber 8. A vacuum introduction path 30a opens and a pump spring 31 is compressed and provided in the pressure receiving chamber 24. A valve element 34 is formed out of a jet open close valve part 34a opening and closing an opening part 6a of a main fuel jet 6 and a discharge path open close valve part 34b opening and closing the fuel discharge path 30b, and moves synchronously with a movable core 17 of a solenoid device. The opening part 6a of the main fuel jet 6 is opened by the jet open close valve part 34a and the fuel discharge path 30b is shut off by the discharge path open close valve part 34b at a time of operation. The opening part 6a of the main fuel jet 6 is shut off by the jet open close valve part 34a and the fuel discharge path 30b is opened by the discharge path open close valve part 34b at a time of stop.


Inventors:
Ogishi, Yasuaki
Application Number:
JP2004000300400
Publication Date:
April 27, 2006
Filing Date:
October 14, 2004
Export Citation:
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Assignee:
KEIHIN CORP
International Classes:
F02M7/093; F02D41/10; F02M7/06; F02M7/08; F02M19/00
Attorney, Agent or Firm:
池田 宏