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Vehicle door control system

  • US 9,650,824 B2
  • Filed: 02/14/2014
  • Issued: 05/16/2017
  • Est. Priority Date: 10/01/2013
  • Status: Active Grant
First Claim
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1. A vehicle door control system for a vehicle having a vehicle body and a vehicle door, comprising:

  • a check arm having an end that is mounted to one of the vehicle body and the vehicle door;

    a check arm holder at least a portion of which is mounted to the other of the vehicle body and the vehicle door; and

    a controller that is configured to receive input from at least one sensor relating to a force being applied to the vehicle door, wherein the controller includes a memory and a processor, wherein the processor is programmed to selectably cause the check arm holder to apply a selected check force to the check arm to hold the vehicle door stationary, and, in at least a selected set of conditions, the controller is programmed to at least partially release the check force when the processor determines that the force being applied to the vehicle door reaches a selected initiation force,wherein the check arm holder includes a first brake member and a second brake member, a motor and a drive train through which the motor is operatively connected to at least one of the first and second brake members,wherein at least one element from the drive train is non-backdrivable.

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