Internal combustion engine with balancer shaft and method of...

Details Internal combustion engine with balancer shaft and method of... Internal combustion engine with balancer shaft and method of...

2005-03-22

2005-03-22

Dolinar, Andrew M. (Department: 3747)

Internal-combustion engines

Vibration compensating device

Balancing arrangement

C464S180000, C029S888010

Reexamination Certificate

active

06868816

ABSTRACT:
An internal combustion engine includes a balancer housing, a balancer shaft having an eccentric weight portion and disposed within the balancer housing so as to be parallel with and rotatable in timed relation with a crankshaft, and a power transmitting mechanism that transmits rotation of the crankshaft to the balancer shaft, wherein the balancer shaft has an end portion protruding outward of the balancer housing, and wherein the end portion of the one balancer shaft is partially cut to have a flattened section that constitutes a device for positioning the balancer shaft in a predetermined rotational position. A method of assembling an internal combustion engine with a balancer shaft is also provided.

REFERENCES:
patent: 4665766 (1987-05-01), Umeha et al.
patent: 197 54 687 (1999-06-01), None
patent: 0 809 041 (1997-11-01), None
patent: 2 117 837 (1983-10-01), None
patent: 6-033989 (1994-02-01), None
patent: 2001-012551 (2001-01-01), None

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