Dynamic rotational counterbalance structure

Details Dynamic rotational counterbalance structure Dynamic rotational counterbalance structure

1985-05-01

1987-06-23

Bennett, Henry A.

Machine element or mechanism

Elements

Flywheel, motion smoothing-type

301 5BA, 74573F, F16F 1522

Patent

active

046743561

ABSTRACT:
A dynamic rotational counterbalance structure includes a discoid balance body having a groove or race formed in an outer circumferential surface of the body. A plurality of movable weights such as spherical weights are positioned in the groove along with a lubricating and noise damping fluid. The groove is closed by an outer circumferential band. At least two of the balance structures are affixed coaxially on a rotatable member to be balanced. During rotation of the member so balanced, the weights shift circumferentially to offset unbalancing forces which influence the rotating member.

REFERENCES:
patent: 2909389 (1959-10-01), Wilborn
patent: 3696688 (1972-10-01), Goodrich et al.
patent: 3733923 (1973-05-01), Goodrich et al.
patent: 3799619 (1974-03-01), LaBarber
patent: 3913980 (1975-10-01), Cobb, Jr.
patent: 3953074 (1976-04-01), Cox
patent: 4075909 (1978-02-01), Deakin
patent: 4269451 (1981-05-01), Narang

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