Hollow balance shaft

Details Hollow balance shaft Hollow balance shaft

1994-04-21

1996-01-16

Kamen, Noah P.

Internal-combustion engines

Vibration compensating device

Balancing arrangement

74603, F02B 7506

Patent

active

054839327

ABSTRACT:
A balance shaft for an automobile engine is disclosed. The balance shaft has a hollow tubular body and a pair of end plug members permanently secured thereto, as by welding. Notches or bob weights either in line or 180.degree. out of phase are provided in the two end plug members. The balance shaft is rotated at twice the crankshaft speed in order to balance second order forces.

REFERENCES:
patent: 4509378 (1985-04-01), Brown
patent: 4530255 (1985-07-01), Haslam
patent: 4677948 (1987-07-01), Candea
patent: 5038731 (1991-08-01), Shimada
patent: 5065644 (1991-11-01), Shimada

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