Torsional vibration damper

Details Torsional vibration damper Torsional vibration damper

1996-07-29

1998-10-20

Schoeppel, Roger J.

Endless belt power transmission systems or components

Means for adjusting belt tension or for shifting belt,...

Guide roll mounted for movement of its axis along arcuate...

74574, 474 86, 474 94, 474166, F16H 708

Patent

active

RE0359327

ABSTRACT:
A vibration damper assembly operatively connecting a driving pulley with an automotive engine output shaft which drives a serpentine belt system with an automatic belt tensioner. The vibration damper assembly serves to dampen torsional, bending, and transitional vibrations transmitted from the output shaft through the poly-V belt and engine frame to the belt a mounting element, fixed to the output shaft, in torsional transmitting relation therewith, bearing member operatively disposed between the driving pulley and the mounting element to restrict relative movement therebetween to torsional relative movement, and a resilient member operatively connected between the driving pulley and the mounting element in resilient torsional transmitting relation therebetween.

REFERENCES:
patent: 4262553 (1981-04-01), Bremer
patent: 4764152 (1988-08-01), Jorg et al.
patent: 4781659 (1988-11-01), Gebhardt
patent: 4794816 (1989-01-01), Serizawa et al.
patent: 4815332 (1989-03-01), Serizawa et al.
patent: 4881426 (1989-11-01), Serizawa et al.
patent: 5030172 (1991-07-01), Green et al.
patent: 5057059 (1991-10-01), Sidwell et al.
patent: 5129864 (1992-07-01), Quintus et al.
patent: 5148719 (1992-09-01), Ampferer et al.
patent: 5231893 (1993-08-01), Sisco et al.
patent: 5405296 (1995-04-01), Cerny et al.
Illustration of vibration damper assembly used in 1980's General Motors 6.5 liter V-8 diesel engine (Appendix Tab 1).
Alleged literature from SAE Show (spring of 1991) distributed by Simpson Industries, Inc. (Appendix Tab 2).
Illustration of Buick 3.8 liter V-6 engine drive pulley (allegedly marketed in the mid-1980's) (Appendix Tab 3).
Illustration of design allegedly offered by the Hillsdale division of Eagle-Picher for sale to Ford Motor Company in Jan. 1992 (Design Option 1--Appendix Tab 4).
Pulley assembly manufactured by ROTO-FORM for Ford 2.3 L Tempo/Topaz vehicles (between 1992-1994) (Appendix Tab 5).

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