Balancer device of engine

Details Balancer device of engine Balancer device of engine

2006-03-28

2006-03-28

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Vibration compensating device

Balancing arrangement

C123S1950HC

Reexamination Certificate

active

07017545

ABSTRACT:
A first balancer shaft includes a shaft extension portion extending forward, to which a driven sprocket is attached. A case member includes a first bearing portion supporting the balancer shaft near its weight portions and rotational gear and a second bearing portion supporting the same near its driven sprocket. The case member includes an upper case coupled to a cylinder block and a lower case facing to the upper case, and there is provided a case extension portion extending forward at the upper case. The first bearing portion is configured of a hole formed by half-split portions of the both cases and the second bearing portion is configured of a hole formed integrally at the case extension portion.

REFERENCES:
patent: 6471008 (2002-10-01), Iwata
patent: 1 081 345 (2001-03-01), None
patent: 1 155 770 (2001-11-01), None
patent: 1 279 858 (2003-01-01), None
patent: 1 304 450 (2003-04-01), None

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