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Patent Searching and Data


Title:
CARBURETOR FUEL METERING DEVICE
Document Type and Number:
Japanese Patent JPH07279767
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 nitriding process to either a chrome- molybdenum steel or a stainless steel. For the jet needle 17, a material subjected to a nickle-boron plating process, or eutectoid ceramic fine-particles or diamond super fine-particles a nickle-phosphorous plating processed film, or either a chrome-molybdenum steel or a stainless steel subjected to a nitriding process, or a ferrous material subjected to a nitriding coating process is used.


Inventors:
Sasao, Isamu
Kamioka, Toshinobu
Application Number:
JP1994000093031
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