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Patent Searching and Data


Title:
ENGINE UNIT AND VEHICLE EQUIPPED THEREWITH
Document Type and Number:
Japanese Patent JP2009092020
Kind Code:
A
Abstract:

To provide a small engine unit having both reduced vertical and fore-and-aft sizes.

The engine unit 30 comprises an engine 31, and a throttle body assembly 50. The throttle body assembly 50 has front side throttle bodies 53a, 53b, rear side throttle bodies 54a, 54b, a fuel supply pipe 81 arranged between center axes A4, A5 and center axes A6, A7 in the longitudinal direction and extending from a position lower than the upper ends of throttle bodies 53, 54 in the cross direction for supplying fuel to front side cylinders 55a, 55b and rear side cylinders 56a, 56b, and a throttle valve driving motor 60 arranged between the center axes A4, A5 and the center axes A6, A7 in the longitudinal direction. An axial center A3 of a rotating shaft 60a of the motor 60 is located on the front or rear side of a center axis A2 of the fuel supply pipe 81.


Inventors:
YAMADA RYUSUKE
Application Number:
JP2007264683A
Publication Date:
April 30, 2009
Filing Date:
October 10, 2007
Export Citation:
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Assignee:
YAMAHA MOTOR CO LTD
International Classes:
F02B61/02; B62J35/00; B62J37/00; B62K11/04; B62M7/02; F02B67/00
Attorney, Agent or Firm:
Kazutoshi Nakayama
Miyazaki saki main tax
Table of contents Makoto