Coaxially mounted engine balance shafts

Details Coaxially mounted engine balance shafts Coaxially mounted engine balance shafts

1994-04-08

1994-12-27

Kamen, Noah P.

Internal-combustion engines

Vibration compensating device

Balancing arrangement

74603, F16F 1526

Patent

active

053755715

ABSTRACT:
A V-type engine is provided with a camshaft driven balance shaft assembly that is compactly located in the valley between the banks of cylinders and consists of a pair of coaxially mounted first and second order balance shafts, one within the other, each of which has diametrically opposed counterweights on opposite sides of the center of the shaft that effect rotating moments to cancel residual first order and second order inertial unbalance moments that occur during normal engine operation that have not previously been cancelled by conventional counterweights mounted on the engine crankshaft.

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patent: 5038727 (1991-08-01), Burns et al.
patent: 5131355 (1992-07-01), Bukovics et al.

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