Camshaft tuned vibration damper

Details Camshaft tuned vibration damper Camshaft tuned vibration damper

1995-08-28

1997-04-15

Bonck, Rodney H.

Machine element or mechanism

Elements

Flywheel, motion smoothing-type

123 9031, 464180, F16F 15123

Patent

active

056198876

ABSTRACT:
A dry tuned damper (10) for mounting on an outboard end of a camshaft (C), the damper (10) having an annular housing (12) defined by inner and outer annular walls (14, 16) and an end wall (18) extending transversely therebetween, with a partition (20) extending diametrically between the inner and outer walls (14, 16) to divide the housing (12) into an opposed pair of compartments (22, 24). Shoes (26, 28) are positioned in the compartments (22, 24) and are biased outwardly against the outer wall (16) by a multitude of compression spring assemblies (30) each of which comprises a concentric pair of inner and outer springs (34, 36) trapped between the partition (20) and one of the shoes (26, 28) and slidably and retained by a pin (32) that extends through the partition (20) between the compartments (22, 24) and concentrically through the opposed pair of inner springs (34).

REFERENCES:
patent: 1967446 (1934-07-01), Meyer
patent: 3555927 (1971-01-01), Plume
patent: 4160390 (1979-07-01), Spaetgens
High-Speed Combustion Engines, P. M. Heldt, Sixteenth Edition of The Gasoline Motor, pp. 308 and 309.
A Handbook on Torsional Vibration, compiled by E. J. Nestorides, Cambridge at The University Press, 1958, pp. 119 and 127.

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