Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hartmut Krehmer0
Benjamin Wübbolt-Gorbatenko0
Date of Patent
May 11, 2021
Patent Application Number
16333374
Date Filed
October 19, 2017
Patent Citations
Patent Primary Examiner
Patent abstract
An electromechanical chassis actuator includes a single electric motor and two screw drives. The two screw drives use a common threaded spindle. A spindle nut of the first screw drive is rotationally fixed to the electric motor's rotor and engages the threaded spindle in a back-driveable manner. A spindle nut of the second screw drive is selectively coupled to the electric motor's rotor by a coupler and engages the threaded spindle in a self-locking (not back-driveable) manner. When the coupler is in an engaged position, the actuator operates in a level-adjustment mode. When the coupler is in a released position, the actuator operates in a damping mode.
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