Torsional vibration damper

Details Torsional vibration damper Torsional vibration damper

1995-11-17

1997-12-09

Oberleitner, Robert J.

Spring devices

Torsion

Coil

74574, 267154, 267251, F16F 106

Patent

active

056951760

ABSTRACT:
A torsional vibration damper with an essentially cup-shaped hub ring made of metallic material, an annular casing and a rotating ring. The hub ring and annular casing and the rotating ring are spaced from one another by a radial clearance and are joined in a torsionally flexible manner by a spring element made of elastomeric material. The spring element is arranged in the opening formed by the clearance. The casing of the hub ring is provided at least radially externally with an adhering first coating made of thermosetting plastic, which coating may have a pulley-type of surface profiling. The first coating may be reinforced with fibers for dimensional stability, and the second coating may expand and contract with temperature variations to ensure constant prestressing in the spring element.

REFERENCES:
patent: 3654777 (1972-04-01), Grundman
patent: 5234377 (1993-08-01), Stretch et al.
patent: 5377962 (1995-01-01), Ochs et al.
patent: 5445049 (1995-08-01), Ullrich et al.
patent: 5452622 (1995-09-01), Fenelon
patent: 5460356 (1995-10-01), Schwibinger

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