Multi-speed transmission with countershaft gearing

Details Multi-speed transmission with countershaft gearing Multi-speed transmission with countershaft gearing

2007-02-22

2009-11-03

Marmor, Charles A (Department: 3655)

Machine element or mechanism

Gearing

Interchangeably locked

C074S340000

Reexamination Certificate

active

07610825

ABSTRACT:
A transmission is provided having a dual clutch, to achieve torque flow through a countershaft gearing arrangement. The countershaft gearing arrangement includes a plurality of co-planar gear sets having gears that are selectively connectable to a plurality of countershafts. At least one transfer gear set transfers torque from the counter shafts to an output shaft. The output shaft is connected to a final drive unit that has a final drive unit output shaft that is transverse to an input member connected at one end to a torque converter and at the other end to the dual clutch.

REFERENCES:
patent: 2005/0103140 (2005-05-01), Gumpoltsberger
patent: 2006/0174722 (2006-08-01), Terai
patent: 2006/0266141 (2006-11-01), Ogami

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