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Title:
CARBURETOR FUEL METERING DEVICE
Document Type and Number:
Japanese Patent JPH07279764
Kind Code:
A
Abstract:

PURPOSE: To provide a carburetor fuel metering device having less change with the lapse of time in fuel metering accuracy and having excellent durability.

CONSTITUTION: In a fuel metering device composed of a jet needle 17 for fuel metering and a needle jet 18 for fuel injection, the material and the process of the jet needle 17 and the needle jet 18 are combined and used as follows: The needle jet 18 is composed of eutectoid ceramic fine-particles in a nickle- phosphorous plating processed subjected to a quenching film. For the jet needle 17, 440 series stainless steel of martensite process or a nickle-boron process, or either eutectoid ceramic fine-particles or diamona super fine-particles in a nickle-phosphorus plating processed film, or iron material subjected to titanium nitride coating process, is used.


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Inventors:
Kamioka, Toshinobu
Yamazoe, Hiroshi
Application Number:
JP1994000093028
Publication Date:
October 27, 1995
Filing Date:
April 05, 1994
Export Citation:
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Assignee:
KEIHIN SEIKI MFG CO LTD
International Classes:
F02M17/40; C23C26/00; F02M7/17; F02M19/04; (IPC1-7): F02M7/17; F02M17/40; F02M19/04
Attorney, Agent or Firm:
池田 宏



 
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