Actuator for the actuation of a clutch and/or a gear mechanism

Details Actuator for the actuation of a clutch and/or a gear mechanism Actuator for the actuation of a clutch and/or a gear mechanism

2006-12-13

2009-02-03

Leykin, Rita (Department: 2837)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Motor protective condition responsive circuits

C361S001000, C361S023000, C361S024000, C361S027000, C318S434000, C318S432000, C192S003560, C192S003580

Reexamination Certificate

active

07486490

ABSTRACT:
An actuator for a clutch or gear mechanism in a motor vehicle comprises an electric motor and an incremental encoder. The encoder comprises a position measurement signal output at which a position measurement signal can be output which has a number of different signal states, each of which is assigned to a relative position between a primary part and a secondary part of the electric motor. For the commutation of the electric motor, the position measurement signal output is connected to a position measurement signal input of a control device for a motor winding of the electric motor. The control device comprises a device for checking the plausibility of the position measurement signal and is designed in such a manner that on the occurrence of an implausible signal state the power supply to the electric motor is disconnected and/or the power of the electric motor is limited.

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