Adjustable flyweights for variable speed belt drive

Details Adjustable flyweights for variable speed belt drive Adjustable flyweights for variable speed belt drive

1995-05-26

1996-10-08

Schoeppel, Roger J.

Endless belt power transmission systems or components

Pulley with belt-receiving groove formed by drive faces on...

Speed responsive

192105CD, F16H 5936

Patent

active

055625550

ABSTRACT:
A variable speed belt drive (1) having adjustable mass and moment of inertia camweights (40, 56) is shown for use primarily in conjunction with snowmobile, golf cart, all terrain vehicle and small automobile engines. In one version, the camweight (40) includes a series of perforations or score lines (47, 48, 49) surrounding a cross section of the camweight arm (45). The perforations define a volume that may be snapped or cut off of the arm (45) with a suitable tool. Also, a series of bores (52, 53, 54) are formed through the arm (45). In order to increase the mass of the arm (45), a molten metal or similar flowable material may be poured into one or more of the bores (52, 53) and allowed to cure. In another version of the invention, a reduced cross section arm (59) serves as a base onto which shims (64, 65, 66) are added or reoriented in order to achieve the desired mass and moment of inertia characteristics.

REFERENCES:
patent: 3727478 (1973-04-01), Erickson et al.
patent: 3939720 (1976-02-01), Aaen et al.
patent: 3951224 (1976-04-01), Beaudoin et al.
patent: 3962927 (1976-06-01), Beaudoin et al.
patent: 3962928 (1976-06-01), Beaudoin et al.
patent: 3971263 (1976-07-01), Beaudoin et al.
patent: 4095479 (1978-06-01), Lundberg
patent: 4826467 (1989-05-01), Reese et al.

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