Procedure for upshifting gear in a motor vehicle and a power...

Details Procedure for upshifting gear in a motor vehicle and a power... Procedure for upshifting gear in a motor vehicle and a power...

Filed on

2006-07-18

Date issued

2006-07-18

Examiner

Lewis, Tisha (Department: 3681)

Patent Class

Machine element or mechanism

SubClass

Gearing

SubSubClass

Interchangeably locked

Other Related Categories

C074S331000, C074S329000

Type

Reexamination Certificate

Status

active

Patent number

07077024

Description

ABSTRACT:
Method and arrangement for gear upshifting in a motor vehicle. The arrangement includes an internal combustion engine (1) with an engine-braking device (52), an automated disk-clutch (3), a multi-stage gearbox (9), in the casing (8) of which an input shaft (7), an intermediate shaft (11) and a main shaft (10) are mounted, and an intermediate shaft brake (50) for braking the intermediate shaft (11). When the upshifting takes place, the disk clutch (3) is disengaged and the intermediate shaft (11) is disengaged from the main shaft (10). The intermediate shaft brake (50) is activated so that the rotational speed of the intermediate shaft (11) is adapted to the next gear selected at the same time as the rotational speed of the engine (1) is adapted to the rotational speed of the input shaft (7) in the new gear by virtue of the engine-braking device (52) being activated.

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