Method for engaging a gear in a gear position in an...

Details Method for engaging a gear in a gear position in an... Method for engaging a gear in a gear position in an...

2008-11-14

2011-12-20

Badii, Behrang (Department: 3667)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Transmission control

C477S158000, C477S160000, C477S163000, C074S335000, C074S329000

Reexamination Certificate

active

08082085

ABSTRACT:
A method for shifting a gear into a gear position in an automated shift transmission with several gears and an automated shift transmission adapted to perform said method are suggested. Via a shifting fork, a shifting sleeve can be shifted from a neutral position into respective gear positions and reaches on its way a pull-in position where the shifting sleeve is automatically forced in direction of the gear position. It is achieved that the pull-in position is safely reached by checking whether the shifting fork has reached a first threshold value, a second threshold value, and whether it has come to a standstill therebetween. Accordingly, an increased shifting force can be applied. Albeit allowing production tolerances in the transmission, the respective gear position is safely reached.

REFERENCES:
patent: 6619152 (2003-09-01), Ochi et al.
patent: 7494442 (2009-02-01), Futamura et al.
patent: 198 23 050 (1998-12-01), None
patent: 199 14 394 (2000-06-01), None
patent: 100 27 332 (2000-12-01), None

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