Balancer structure for engine

Details Balancer structure for engine Balancer structure for engine

2006-01-31

2006-01-31

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Vibration compensating device

Balancing arrangement

Reexamination Certificate

active

06990942

ABSTRACT:
A balancer structure for an engine includes a first balancer shaft, a second balancer shaft, a crankshaft having a crank gear and balancer gears on the first and second balancer shafts provided parallel to the crankshaft and driven for rotation by the crank gear. The first balancer shaft is provided on one side of a normal plane including an axis of the crankshaft, and the second balancer shaft is provided on another side. On the second balancer shaft is provided a counter gear for transmitting a rotation of the crankshaft to a main shaft of a transmission mechanism.

REFERENCES:
patent: 5038731 (1991-08-01), Shimada
patent: 5218885 (1993-06-01), Nakano et al.
patent: 09-250597 (1997-09-01), None
patent: 2002-089625 (2002-03-01), None

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