Automatic starting clutch control method

Details Automatic starting clutch control method Automatic starting clutch control method

1991-10-11

1992-12-15

Lorence, Richard

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192 0033, 192 0076, 192 009, 192 82T, F16D 4322

Patent

active

051708680

ABSTRACT:
A method of controlling a friction type clutch of a vehicle having an engine and a drive train, which clutch is operated by hydraulic oil and is frictionally engageable to transfer rotational driving force from an output shaft of the engine to the drive train, includes the steps of causing the clutch to assume a slipping state of engagement upon starting of the vehicle, and defining a first amount of time as a function of the temperature of the hydrauilc oil. When the first amount of time has elapsed since the starting of the vehicle, the clutch is positively urged from slipping state of engagement into a locked up state of engagement. If the output rotational speed of the clutch reaches a predetermined value, and if a second amount of time which is less than the first amount of time has elapsed since the starting of the vehicle, then the clutch is positively urged from the slipping state of engagement into the locked up state of engagement, even though the first amount of time has not yet elapsed since the starting of the vehicle.

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patent: 5050717 (1991-09-01), Shibayama
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