Pump drive structure of water-cooled internal combustion engine

Details Pump drive structure of water-cooled internal combustion engine Pump drive structure of water-cooled internal combustion engine

2007-09-06

2009-08-25

Kamen, Noah (Department: 3741)

Internal-combustion engines

Vibration compensating device

Balancing arrangement

C123S041440, C123S1960CP

Reexamination Certificate

active

07578277

ABSTRACT:
To provide a pump drive structure for a water-cooled internal combustion engine in which the number of revolving shafts arranged in parallel in an internal combustion engine is reduced and a power transmission mechanism is eliminated. Thus, the internal combustion engine is downsized. The pump drive structure of a water-cooled internal combustion engine is provided in which a balancer shaft is arranged in parallel with a crankshaft at a position where crank webs of the crankshaft and balancer weights are overlapped in the axial direction. An oil pump drive shaft of an oil pump is connected coaxially at one end of the balancer shaft, and a water pump drive shaft of a water pump is connected coaxially with the other end of the balancer shaft.

REFERENCES:
patent: 6659061 (2003-12-01), Nomura
patent: 102005026786 (2006-12-01), None
patent: 2001-280111 (2001-10-01), None

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