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Patent Searching and Data


Title:
ACCELERATION DEVICE FOR MEMBRANE TYPE CARBURETOR FOR INTERNAL COMBUSTION ENGINE
Document Type and Number:
Japanese Patent JPH10184457
Kind Code:
A
Abstract:

To easily mount an acceleration pump, the structure of which is simplified, on a membrane type carburetor without applying processing on a carburetor body.

A bellows-form elastic expansion member 75 the volume of which is changed by the pressure of an intake passage 16 is arranged in an airtight manner at the internal part of a container 77 to form an acceleration pump B. A pump chamber 78 between a container 77 for the acceleration pump B and the elastic expansion part 75 is communicated to the atmosphere chamber 30 of a membrane type carburetor. A restriction 80a is arranged in an atmosphere hole 80 formed in the wall part f the atmosphere chamber 30. A restriction 71 is located in a passage 72 to interconnect the intake passage 16 and a negative pressure chamber 76 at the internal part of the elastic expansion member 75 of the acceleration pump B.


Inventors:
SUZUKI MASAO
TOBIUCHI TERUHIKO
OSADA NORISUKE
KOBAYASHI TAKESHI
Application Number:
JP35720296A
Publication Date:
July 14, 1998
Filing Date:
December 26, 1996
Export Citation:
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Assignee:
NIPPON WALBRO KK
International Classes:
F02M7/08; (IPC1-7): F02M7/08
Attorney, Agent or Firm:
Toshio Yamamoto