Oil pump for motorcycle

Details Oil pump for motorcycle Oil pump for motorcycle

2011-01-11

2011-01-11

Freay, Charles G (Department: 3746)

Pumps

Motor driven

Pump and motor interconnected by endless flexible...

C417S360000, C123S19800E

Reexamination Certificate

active

07866956

ABSTRACT:
An oil pump system is provided for a motorcycle, and includes at least one oil pump, a water pump, a drive shaft, a support frame, a drive gear, and an oil collector lid. The oil pump is supported by a crankshaft case and is coupled to the drive shaft. The drive shaft has an end section on which the drive gear is mounted. The drive gear is coupled to a crankshaft of an engine by a chain. The oil collector lid is arranged outside the drive gear. The water pump is coupled to the end of the drive shaft. Mechanical power is transmitted from the crankshaft, through the chain, to drive the drive gear and the drive shaft to also drive the water pump. The support frame is provided to rotatably support the drive shaft at a location spaced from the oil pump so as to form an enhanced support to the drive shaft and improve stability of operation and durability of the drive shaft.

REFERENCES:
patent: 6047667 (2000-04-01), Leppanen et al.
patent: 6595178 (2003-07-01), Araki
patent: 6618887 (2003-09-01), Kim et al.
patent: 7188601 (2007-03-01), Trease
patent: 2004/0231626 (2004-11-01), Trease

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