192 clutches and power-stop control – Clutches – Transversely engaged
Patent
1991-09-27
1992-09-01
Wright, Dirk
192 clutches and power-stop control
Clutches
Transversely engaged
F16D 2300
Patent
active
051431912
ABSTRACT:
A fluid coupling has a lockup mechanism, which is unlocked at an increased speed upon a large displacement of an accelerator pedal, and is provided with an activator for applying hydraulic pressure to the lockup mechanism to couple and uncouple the fluid coupling. The activator is controlled by a release controller so as to decrease graudally the hydraulic pressure at a predetermined rate. The fluid coupling is thus uncoupled with a gradual decrease of coupling force when an engine operates in a predetermined engine operating condition. The predetermined rate of pressure change is modified so as to advance uncoupling of the fluid coupling when an engine load is higher than a predetermined engine load, while the release controller controls the activator so as to decrease gradually the hydraulic pressure.
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Nobumoto Hidetoshi
Sakaki Minzi
Mazda Motor Corporation
Wright Dirk
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