Method of controlling a movement of a door with a controllable rotary damper
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United States of America Patent
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Apr 25, 2023
Grant Date -
Aug 5, 2021
app pub date -
Apr 20, 2021
filing date -
May 20, 2017
priority date (Note) -
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Abstract
A door component has a controllable rotary damper and two connector units which can be moved relative to one another. One of the two connector units can be connected to a load-bearing construction and the other one can be connected to a movable door device of a vehicle, in order to damp a movement of the door device between a closed position and an open position in a controlled manner. Two mutually engaged spindle units are arranged between the two connector units, one spindle unit being a threaded spindle and the other being a spindle nut. A first spindle unit is fastened rotatably on a coupling rod connected to one of the connector units. A magnetorheological transmission device is arranged between the coupling rod and the first spindle unit, in order to brake a rotational movement of the first spindle unit as required.
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