【発明の名称】エンジンのポンプ配置構造

Japanese Patent JP3095974

B2

A power (3) unit in particular for a motorcycle (1), comprises an engine unit (50) having a cylinder head (57) fastened to a cylinder block (56) and a crankshaft (60) accommodated within a crank case (55). Further, there is provided a continuously variable transmission (51) of a V-belt type, an oil pump (79) and a cooling water pump (80) both drivable by said crankshaft (60). Within said power unit (3) a cooling water pump drive shaft (74) for driving said cooling water pump (80) and an oil pump drive shaft (75) are arranged substantially in parallel to said crankshaft. Thereby said cooling water and oil pump drive shafts (74,75) are drivable by said crankshaft (60) via a gear mechanism (76,77,78).

JPS6019706	[Title of the device] An oil pump control device of an internal-combustion engine
JPS6123485	[Title of the device] The gear pump which provided the Metering circuit
JPS58181915	[Title of the device] A lubricous oil inhalation device of a 2-cycle engine

Toshimasa Morita
Yukihiro Furuyama

JP16436795A

October 10, 2000

June 29, 1995

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YAMAHA HATSUDOKI KABUSHIKI KAISHA

F01M1/02; F01P5/12; F02B61/02; F02B67/06; F02B67/04; F02B75/16; F02B75/02; F02F1/24; (IPC1-7): F02B67/04; F01M1/02; F01P5/12

Tsutomu Shimoichi

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