Transmission having plural clutches

Details Transmission having plural clutches Transmission having plural clutches

2007-04-30

2008-07-15

Ho, Ha D. (Department: 3681)

Interrelated power delivery controls, including engine control

Transmission control

With clutch control

C477S071000

Reexamination Certificate

active

07399256

ABSTRACT:
A transmission having plural clutches includes a first clutch for connecting and disconnecting transmission of driving force to a first input shaft including a driving gear configured to be engaged with a driven gear provided at an output shaft of the transmission driven by a driving force generating device, a second clutch operating independently from the first clutch for connecting and disconnecting transmission of driving force to a second input shaft including a driving gear configured to be engaged with a driven gear provided at the output shaft, a driving force detection device for detecting driving force, a slip detection device for detecting physical quantity related to a slip of a driving wheel, and a device for controlling the second clutch for importing the physical quantity related to the slip and the driving force and for controlling engagement ratio of the second clutch where the first clutch is engaged.

REFERENCES:
patent: 5915512 (1999-06-01), Adamis et al.
patent: 7137310 (2006-11-01), Berger
patent: 7272985 (2007-09-01), Gumpoltsberger et al.
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patent: WO 03/019029 (2003-03-01), None
European Search Report dated Oct. 26, 2005.

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