Control system for a start-up element of an automated or...

Details Control system for a start-up element of an automated or... Control system for a start-up element of an automated or...

2006-05-16

2006-05-16

Pang, Roger (Department: 3681)

Interrelated power delivery controls, including engine control

Clutch control

Condition responsive control

C477S906000, C477S907000

Reexamination Certificate

active

07044889

ABSTRACT:
A control system, method for control, and control software for operating a startup shift element of an automated motor vehicle transmission or automatic transmission capable of electro-hydraulic or electro-pneumatic actuation with an electronic transmission control device, whereby the startup shift element may be shifted hydraulically or pneumatically in emergency mode even if the electronic control device fails. The control system includes a transmission-independent control module, and a emergency-operation mode shift valve capable of electrical triggering, that controls the hydraulic or pneumatic actuation device of the startup shift element. If the transmission-independent control module fails during transmission emergency-mode operation, the startup shift element is capable of actuation by means of the electrical triggering of the emergency-operation mode shift valve via the transmission-independent control module. This may particularly control a motor-vehicle startup procedure.

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German Search Report.

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