Interrelated power delivery controls – including engine control – Clutch control – With fluid drive
Patent
1998-04-08
2000-08-15
Estremsky, Sherry L.
Interrelated power delivery controls, including engine control
Clutch control
With fluid drive
477 84, B60K 4102, F16H 6114
Patent
active
061028312
ABSTRACT:
A releasable coupling control system in combination with an electronic engine control unit executable a fuel cutoff mode during vehicle deceleration and re-startable a fuel-supply recovery mode as soon as an engine speed drops below a predetermined threshold value, for controlling engaging and disengaging operations of a releasable coupling device placed in an automotive power train between an engine and drive wheels, comprises a wheel-speed sensor for detecting a drive-wheel speed to generate a drive-wheel speed indicative signal, and a controller being configured to be responsive to the drive-wheel speed indicative signal for moderately releasing the releasable coupling device at a moderate turn-off mode when the drive-wheel speed indicative signal value drops below a first predetermined value, and for quickly releasing the releasable coupling device at a quick turn-off mode when the drive-wheel speed indicative signal value drops below a second predetermined value.
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Udagawa Chusaku
Wakahara Tatsuo
Estremsky Sherry L.
Nissan Motor Co,. Ltd.
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