Title:
ARRANGING STRUCTURE OF MAIN AIR BLEED PIPE OF VARIABLE VENTURI SYSTEM DOWN-DRAFT TYPE CARBURETOR
Document Type and Number:
Japanese Patent JP3545842
Kind Code:
B2
Abstract:
PURPOSE: To prevent a bleed starting delay and a low speed temperature response delay by respectively arranging a bleed pipe in an offset position to a needle jet and the bleed pipe in a position higher than an oil level so that bleed holes are positioned above an ordinary time oil level.
CONSTITUTION: A variable venturi system down-draft type carburetor introduces air from a main air jet 26 into a main air bleed pipe 42 having a large number of bleed holes 40 through an air introducing passage 44, and is communicated with a connecting passage 46 to connect the inside and the outside of a needle jet 18 into which a jet needle 12 to control a fuel quantity by the bleed holes 40 is inserted so as to be freely displaceable. In this case, the main air bleed pipe 42 is arranged in an offset condition to the needle jet 18. Therefore, a height of the main air bleed pipe 42 to an oil level 14 is made higher than usual, and a bleed starting delay and a low speed temperature response delay can be eliminated.
Inventors:
Jin Watanabe
Hideo Ichikawa
Shogo Hashimoto
Hideo Ichikawa
Shogo Hashimoto
Application Number:
JP16019195A
Publication Date:
July 21, 2004
Filing Date:
June 05, 1995
Export Citation:
Assignee:
Mikuni Corporation
International Classes:
F02M9/06; F02M7/17; F02M19/03; (IPC1-7): F02M9/06; F02M7/17; F02M19/03
Domestic Patent References:
| JP61113956U | ||||
| JP61113955U | ||||
| JP58129052U | ||||
| JP4042251U | ||||
| JP60066859U | ||||
| JP39034923Y1 |
Attorney, Agent or Firm:
Keiichi Yashima
Previous Patent: OPERATION VIRTUAL SOUND GENERATION DEVICE OF OPERATION MACHINE
Next Patent: INK JET RECORDER
Next Patent: INK JET RECORDER