Twin-clutch transmission

Details Twin-clutch transmission Twin-clutch transmission

2006-04-19

2008-12-30

Le, David D. (Department: 3681)

Machine element or mechanism

Gearing

Interchangeably locked

C074S329000, C074S330000, C074S331000, C074S339000, C477S003000, C180S065510, C180S065700

Reexamination Certificate

active

07469613

ABSTRACT:
A twin-clutch transmission, in particular for a motor vehicle, with a twin-clutch arrangement comprising a first and a second clutch, and a first and a second drive unit designed as an electric machine with a stator and a rotor. The rotor of the first drive unit is fixed to an input side of the transmission that is connected to an engine so that it rotates always at the rotational speed of the engine. The twin-clutch transmission can be switched back and forth between a serial and a parallel hybrid mode, these modes being established by means of the first and second drive units. The drive shaft of the second drive unit and the clutches have different rotational axes.

REFERENCES:
patent: 6427547 (2002-08-01), Bowen
patent: 6427549 (2002-08-01), Bowen
patent: 6490945 (2002-12-01), Bowen
patent: 6499370 (2002-12-01), Bowen
patent: 6506139 (2003-01-01), Hirt et al.
patent: 6634247 (2003-10-01), Pels et al.
patent: 7249537 (2007-07-01), Lee et al.
patent: 2002/0088288 (2002-07-01), Bowen
patent: 2002/0088290 (2002-07-01), Bowen
patent: 2002/0088291 (2002-07-01), Bowen
patent: 2006/0230853 (2006-10-01), Kraus
patent: 198 50 549 (2000-05-01), None
patent: 101 60 884 (2003-06-01), None
Office Action Issued by the United States Patent and Trademark Office for U.S. Appl. No. 11/406,706, dated Mar. 24, 2008.

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