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Patent Searching and Data


Title:
PLUNGER TYPE ACCELERATING PUMP DEVICE FOR CARBURETER
Document Type and Number:
Japanese Patent JP2005299452
Kind Code:
A
Abstract:

To restrict leak of fuel inside a cylinder hole from an upper end of a guide collar due to inflow of the fuel into an upper cylinder when continuously operating a plunger inside the cylinder.

An operating rod 22d of the plunger 22 slidably arranged inside a cylinder hole 20b is projected upward through a guide hole 21a of the guide collar 21 arranged over the cylinder hole 20b. The cylinder hole 20b is formed with an upper cylinder hole F by a lower end 21b of the guide collar 21 and a regulating projection 22b formed in an upper end 22a of the plunger 22, and this upper cylinder hole F is arranged over the oil level X-X. One end 24a of an air ventilation passage 24 is opened in the cylinder hole F, and the other end 24b thereof is opened in a float chamber 4, and a return passage 24 comprising the one end 24a and the other end 24b is arranged over the oil level X-X.


Inventors:
GO, Takeo
Application Number:
JP2004000114886
Publication Date:
October 27, 2005
Filing Date:
April 09, 2004
Export Citation:
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Assignee:
KEIHIN CORP
International Classes:
F02M7/08; (IPC1-7): F02M7/08
Attorney, Agent or Firm:
池田 宏