Title:
JET NEEDLE HOLDING DEVICE OF CARIABLE VENTURI TYPE CARBURETER
Document Type and Number:
Japanese Patent JP3826365
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To make a jet needle not make contact with a needle jet and excellent in durability in a total opening region from the low opening region to the high opening region of a sliding valve.
SOLUTION: A plural number of inclined grooves 9C directed to the center of a mixing tube 9 are drilled on an upper end surface 9B of the mixing tube 9, and balls 11 are arranged in the inclined grooves 9C free to move. The mixing tube 9 is coaxially arranged with a needle jet 8 with a clearance S. An upper surface of the ball 11 is elastically pressurized by a presser plate 12 receiving spring force by a spring 13. A jet needle 14 installed on a sliding valve 3 is inserted and arranged in the needle jet 8 and the mixing tube 9, an outside surface 14A of the jet needle 14 is elastically centering held by the ball 11, and accordingly, the jet needle 14 is held in the center by the needle jet 8.
Inventors:
Takashi Hamasaki
Application Number:
JP26637395A
Publication Date:
September 27, 2006
Filing Date:
September 20, 1995
Export Citation:
Assignee:
Keihin Co., Ltd.
International Classes:
F02M7/22; F02M19/04; (IPC1-7): F02M7/22; F02M19/04
Domestic Patent References:
| JP54121121U | ||||
| JP49105725U | ||||
| JP64004846U | ||||
| JP63038651U |
Attorney, Agent or Firm:
Hiroshi Ikeda