Engine vibration balancer

Details Engine vibration balancer Engine vibration balancer

1987-12-09

1988-11-01

Nelli, Raymond A.

Internal-combustion engines

Vibration compensating device

123198E, 123192B, 74604, F02F 700, F02B 7506

Patent

active

047811560

ABSTRACT:
An automotive engine crankshaft has a vibration balancing mass suspended from a main bearing cap on rods or bolts for an oscillatory radial movement in response to reciprocation of the mass by contoured cam wheels on the cheeks of the crankshaft, the cam wheels engaging rollers or cam follower wheels on a shaft freely rotatable in the balancing mass, the mass being restricted to a translational movement in a radial direction only, the mounting of the mass including a pivot/bushing that restricts the movement to the one translational direction only while at the same time permitting a slight rotational or pivotal movement of the mass about three axes to correct for any slight misalignment of the axis of the mass with respect to the axis of the crankshaft.

REFERENCES:
patent: 1640634 (1927-08-01), Wise
patent: 2235160 (1941-03-01), Ljangstrom
patent: 3468190 (1969-09-01), Sampiatro
patent: 4520770 (1985-06-01), Ogawa
Research Inclosure, May 1982, No. 21731, "Reciprocating Balancer (F06)" disclosed anonomously.-May 1982.

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