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Patent Searching and Data


Title:
CARBURETOR FUEL METERING DEVICE
Document Type and Number:
Japanese Patent JPH07279766
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 formed by applying titanium nitride coating to a ferrous material. For the jet needle 17, 440 series stainless steel of martensite subjected to a quenching process or a nickle-boron plating process, or eutectoid ceramic fine-particles or super fine-diamond particles in a nickle-phosphorous plating processed film, or a ferrous material subjected to a titanium nitride coating process, is used.


Inventors:
Sasao, Isamu
Kamioka, Toshinobu
Application Number:
JP1994000093030
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