Title:
【発明の名称】空気燃料噴射式2サイクルエンジンの空気ポンプ配置構造
Document Type and Number:
Japanese Patent JP2820782
Kind Code:
B2
Abstract:
A power unit for a small vehicle such as a motorcycle embodying a two-cycle, crankcase compression, air/fuel injected engine. Fuel and air pumps are driven by the engine and are positioned inwardly of the outer extremity of a plane defined by the outer face of the clutch of the engine transmission assembly and the adjacent side of the engine. A two speed drive is provided for the air pump of the fuel/air injection system so as to operate the air pump at a higher speed ratio during cranking than during running so as to insure adequate air supply for the engine even during starting.
Inventors:
Yoshiharu Isaka
Application Number:
JP19225390A
Publication Date:
November 05, 1998
Filing Date:
July 19, 1990
Export Citation:
Assignee:
YAMAHA HATSUDOKI KABUSHIKI KAISHA
International Classes:
F02B23/10; F02B61/02; F02B63/06; F02B17/00; F02B67/00; F02B67/08; F02B75/16; F02M39/00; F02M67/02; F02B1/04; F02B61/00; F02B75/02; (IPC1-7): F02M67/02; F02B17/00; F02B67/00; F02M39/00
Domestic Patent References:
| JP62126269A |
Attorney, Agent or Firm:
Tsutomu Shimoichi