Balance device for engines

Details Balance device for engines Balance device for engines

2005-06-14

2005-06-14

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Vibration compensating device

Balancing arrangement

Reexamination Certificate

active

06904884

ABSTRACT:
A balancer device for engines, in which first and second balancer shafts are arranged in parallel to a crankshaft and the crankshaft rotatingly drives first and second balancer weights at the same speed as that of the crankshaft, characterized in that the first balancer weight is arranged on one end of the first balancer shaft in a direction along the crankshaft, the second balancer weight is arranged on the other end of the second balancer shaft in the direction along the crankshaft, and the first and second balancer shafts are made close to the crankshaft so that loci of rotation of the first and second balancer weights partially overlap a locus of rotation of that portion of the crankshaft, which is coupled to a conrod when viewed in the direction along the crankshaft.

REFERENCES:
patent: 5038731 (1991-08-01), Shimada
patent: 5218885 (1993-06-01), Nakano et al.
patent: 6067950 (2000-05-01), Kinoshita et al.
patent: 61-106647 (1986-07-01), None
patent: 63-23044 (1988-01-01), None
patent: 2-113145 (1990-04-01), None
patent: 8-100836 (1996-04-01), None
patent: 2000-27888 (2000-01-01), None

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