Twin-clutch transmission system

Details Twin-clutch transmission system Twin-clutch transmission system

2007-08-23

2010-12-07

Le, David D (Department: 3655)

Machine element or mechanism

Gearing

Interchangeably locked

C074S340000

Reexamination Certificate

active

07845246

ABSTRACT:
A twin-clutch transmission system in a power unit for a vehicle includes a clutch system with a pair of hydraulic clutches, which respectively include clutch pistons. A gear transmission includes a first main shaft, which has a first end portion linked to a first one of the two hydraulic clutches. The gear transmission also includes a second main shaft, which has a first end portion linked with the other one of the two hydraulic clutches. A pair of hydraulic passages are concentrically formed inside the second main shaft, and apply hydraulic pressure respectively to the clutch pistons. An operating fluid is supplied from a second end side of the second main shaft. The resulting configuration enables the protrusion of the power unit toward the clutch system to be minimized.

REFERENCES:
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patent: 6199653 (2001-03-01), Matsufuji et al.
patent: 2003/0131684 (2003-07-01), Hori et al.
patent: 2005/0211007 (2005-09-01), Suzuki et al.
patent: 2006/0219034 (2006-10-01), Hori et al.
patent: 3527401 (1987-02-01), None
patent: 4020161 (1991-01-01), None
patent: 2003-320861 (2003-11-01), None

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