Balancers

Details Balancers Balancers

1991-04-04

1992-03-03

Luong, Vinh T.

Machine element or mechanism

Elements

Flywheel, motion smoothing-type

74572, 310114, F16F 1522

Patent

active

050921959

ABSTRACT:
A balancer has a ferromagnetic weight mounted for rotation about an axis, the center of mass of the weight is offset from the axis of rotation and a series of angularly spaced coils are provided concentrically about the axis of rotation and spaced radially of the weight. A switching device is provided for sequential energization of the coils so that the magnetic field generated by each coil will cause the weight to rotate, energization of the coils being synchronized so that rotation of the weight will produce an appropriate balancing motion.

REFERENCES:
patent: 2764721 (1956-09-01), Johnson
patent: 3237480 (1966-03-01), Phelon
patent: 3675506 (1972-07-01), Leone
patent: 3790831 (1974-02-01), Morreale
patent: 4021086 (1977-05-01), Rajsigl
patent: 4241620 (1980-12-01), Pichl et al.
patent: 4458156 (1984-07-01), Maucher et al.
patent: 4730154 (1988-03-01), Pinson
patent: 4787265 (1988-11-01), Mishiro
patent: 4892467 (1990-01-01), Crofoot
Patent Abstracts of Japan, vol. 7, No. 215, 22nd Sep. 1983.
Elektrie, vol. 22, No. 4, 1968, p. U58, E. R. Laithwaite.
Automotive Engineering, vol. 84, No. 2, Feb. 1976, pp. 30-31; "Balancing the Four-Cylinder Engine".

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