Adaptive torsional damping device for a continuously variable tr

Details Adaptive torsional damping device for a continuously variable tr Adaptive torsional damping device for a continuously variable tr

1990-05-24

1991-11-12

Lorence, Richard

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192 0076, 192103F, F16D 702, F16D 2514

Patent

active

050640364

ABSTRACT:
An adaptive control system controls the slip across a start clutch located up-stream of a continuously variable transmission to allow the clutch to be use as a torsional isolator in a continuously variable transmission. The system includes a torsional vibration detector for determining the actual level of torsional vibrations transmitted by the clutch. The actual level of vibrations is compared with an acceptable level and the slip across the clutch is regulated in order to maintain the transmission of vibrations to the acceptable level.

REFERENCES:
patent: 4428467 (1984-01-01), Hiramatsu
patent: 4433594 (1984-02-01), Smirl
patent: 4457411 (1984-07-01), Hiramatsu
patent: 4466311 (1984-08-01), Hiramatsu
patent: 4606446 (1986-08-01), Watanabe
patent: 4668773 (1987-05-01), Hiramatsu et al.
patent: 4674609 (1987-06-01), Sturges et al.
patent: 4715482 (1987-12-01), Watanabe et al.
patent: 4724939 (1988-02-01), Lockhart et al.
patent: 4757886 (1988-07-01), Brown et al.
patent: 4793454 (1988-12-01), Petzold et al.

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