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Patent Searching and Data


Title:
FUEL CONTROL DEVICE FOR CARBURETOR OF ROTARY THROTTLE VALVE TYPE
Document Type and Number:
Japanese Patent JP2001073878
Kind Code:
A
Abstract:

To provide a rotary throttle valve type carburetor assuring a good operating characteristic of throttle valve and unlikely to generate rattles in a swivel installed on an operation lever.

A needle 17 is installed in a throttle valve 6 and interlocked in the rotating direction, and the tip is inserted into a fuel nozzle 9 approximately tightly, and at the side face of the nozzle 9, a nozzle hole 27 is provided whose section enlarges in the valve opening direction of the throttle valve, while the needle 17 is furnished with a slit 28 thinning upward, and the control of the fuel is conducted with the nozzle hole 27 and slit 28 by positioning the slit 28 identical to the nozzle hole 27. Thus the fuel control is made with rotation of the needle 17 interlocking with the throttle valve 6, and an operation lever 12 is hindered from varying vertically. It is arranged so that the fuel supply characteristics can easily be adapted to the requirements of the engine.


Inventors:
Kato, Kiyoshi
Tomita, Tadao
Wada, Shinichiro
Uno, Satoshi
Application Number:
JP1999000250757
Publication Date:
March 21, 2001
Filing Date:
September 03, 1999
Export Citation:
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Assignee:
TK CARBURETTOR CO LTD
International Classes:
F02M9/08; F02M19/03; (IPC1-7): F02M9/08; F02M19/03