Gearbox for a double clutch transmission of a motor vehicle

Details Gearbox for a double clutch transmission of a motor vehicle Gearbox for a double clutch transmission of a motor vehicle

2006-06-07

2008-09-23

Lewis, Tisha D (Department: 3681)

Machine element or mechanism

Gearing

Interchangeably locked

C074S331000

Reexamination Certificate

active

07426880

ABSTRACT:
The gearbox comprises: a first, inner input shaft which carries a first and a second driving gear wheel associated with odd gears and with a reverse gear; a second, outer input shaft which is disposed coaxially with the first and carries a third and a fourth driving gear wheel associated with even gears; a first output shaft which carries a first driven gear wheel meshing with the first driving gear wheel to form a first gear, a second driven gear wheel meshing with the second driving gear wheel to form a fifth gear and a third driven gear wheel meshing with the fourth driving gear wheel to form a sixth gear; and a second output shaft which carries a fourth driven gear wheel meshing with the first driven gear wheel to form the reverse gear, a fifth driven gear wheel meshing with the second driving gear wheel to form a third gear, a sixth driven gear wheel meshing with the third driving gear wheel to form a second gear and a seventh driven gear wheel meshing with the fourth driving gear wheel to form a fourth gear.

REFERENCES:
patent: 4461188 (1984-07-01), Fisher
patent: 7197954 (2007-04-01), Baldascini et al.
patent: 7246534 (2007-07-01), Kim et al.
patent: 7258032 (2007-08-01), Kim
patent: 7258033 (2007-08-01), Baldascini et al.
patent: 2005/0000307 (2005-01-01), Gumpoltsberger
patent: 2005/0081661 (2005-04-01), Kim
patent: 103 16 070 (2003-04-01), None
patent: 1 124 079 (2001-01-01), None
patent: 2 847 013 (2004-05-01), None

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