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Patent Searching and Data


Title:
SLIDE THROTTLE VALVE TYPE CARBURETOR
Document Type and Number:
Japanese Patent JPH084596
Kind Code:
A
Abstract:

PURPOSE: To provide a device which is devised to improve the starting device of a slide throttle valve type carburetor and improve acceleration operation after deceleration.

CONSTITUTION: A starting valve 28 comprises a regulation shaft 29: and a needle valve 30 for starting and movably arranged in a starting valve guide cylinder 21, and the regulation shaft is extended through a holder member 32 to close the opening of a starting valve guide cylinder 21. The starting valve is vertically moved and regulated through forward and backward movement of a regulation member V. In the lowest opening position of the starting valve, a needle valve large part 30A for starting is inserted in a regulated state in a fuel nozzle 24 for starting and fuel draft is suppressed. During idling, a slide throttle valve 13 is held in a fully closed state and air for idling is fed through an air-fuel mixture passage 23 for starting and fuel for idling is fed through a pilot outlet hole 11. Further, during deceleration, the occurrence of adhesion on the inner wall of an intake air passage 2A and residence of fuel is suppressed by blow-off air from the air-fuel mixture passage for starting and following acceleration operation is improved.


Inventors:
Yamazoe, Hiroshi
Application Number:
JP1994000159456
Publication Date:
January 09, 1996
Filing Date:
June 17, 1994
Export Citation:
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Assignee:
KEIHIN SEIKI MFG CO LTD
International Classes:
F02M3/10; F02M7/17; F02M9/06; (IPC1-7): F02M9/06; F02M3/10; F02M7/17
Attorney, Agent or Firm:
池田 宏