| 摘要 |
A regulating device for rotary adjustment of a regulating member comprises a regulatable electrical control drive connected to the regulating member and a restoring device which acts on the regulating member or on the control drive and which returns the regulating member to a starting position in which, for example, the emergency operation of an internal combustion engine is ensured optimum operation of the regulating member without constant reference to the emergency situation, a release device is provided which is only effective during undisturbed normal operation of the control device and which produces a counterforce compensating for the restoring force of the restoring device.
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