Control unit comprising an electric motor with a rotary magnet

A control unit comprising an electric motor with a rotary magnet constructed as a rotor, having a drive shaft and an externally excited stator, and electrical coils for externally exciting said stator, wherein said motor is provided with at least one releasable arresting element interposed between movable and stationary parts of the motor, said arresting element when engaged holding the drive shaft in a set position, the control unit further comprising a second arresting element, each of said arresting elements defining an end position of said drive shaft.

A control module comprising a control element and an actuator, said actuator comprising an electric motor with a rotary magnet constructed as a rotor and having a drive shaft connected to the control element and an externally excited stator, wherein said control module further comprises electrical coils for externally exciting said stator and at least one releasable arresting element interposed between movable and stationary parts of said module, said arresting element when engaged holding the drive shaft in a set position, wherein said control element is a flap valve in an air intake duct of a motor vehicle engine.

A control module comprising a control element and an actuator, said actuator comprising an electric motor with a rotary magnet constructed as a rotor and having a drive shaft connected to the control element and an externally excited stator, wherein said control module further comprises electrical coils for externally exciting said stator and at least one releasable arresting element interposed between movable and stationary parts of said module, said arresting element when engaged holding the drive shaft in a set position, the control module further comprising a second arresting element, each of said arresting elements defining an end position of said drive shaft.

A control module comprising a control element and an actuator, said actuator comprising an electric motor with a rotary magnet constructed as a rotor and having a drive shaft connected to the control element and an externally excited stator, wherein said control module further comprises electrical coils for externally exciting said stator and at least one releasable arresting element interposed between movable and stationary parts of said module, said arresting element when engaged holding the drive shaft in a set position, wherein at least one arresting element comprises a limit stop for the control element, wherein said control element comprises a sealing member, and said limit stop comprises a sealing surface against which said sealing member is held in a closed state.

A control module comprising a control element and an actuator, said actuator comprising an electric motor with a rotary magnet constructed as a rotor and having a drive shaft connected to the control element and an externally excited stator, wherein said control module further comprises electrical coils for externally exciting said stator and at least one releasable arresting element interposed between movable and stationary parts of said module, said arresting element when engaged holding the drive shaft in a set position, wherein said arresting element is provided with an elastically resilient element for producing a form-fit connection with said drive shaft.