Patents by Inventor Pierre-Yves Berthelemy

Pierre-Yves Berthelemy has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Magnetorheological actuator having a rotationally driven threaded spindle and clutch having an actuator
    Patent number: 10087996
    Abstract: A magnetorheological actuator including a chamber, in particular a chamber at least sections of which are shaped like a hollow cylinder, containing a magnetorheological fluid, and further including a control element disposed in the chamber, wherein the control element suitable for applying the operating force of the actuator, wherein the control element is a threaded spindle or screw or threaded rod driven to rotate about its longitudinal axis, in particular about the screw axis, and including a spindle core and a thread disposed thereon, the thread surrounded by the magnetorheological fluid, is provided. A clutch having such an actuator is also provided.
    Type: Grant
    Filed: January 22, 2015
    Date of Patent: October 2, 2018
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventor: Pierre-Yves Berthelemy
  • MAGNETORHEOLOGICAL ACTUATOR HAVING A ROTATIONALLY DRIVEN THREADED SPINDLE AND CLUTCH HAVING AN ACTUATOR
    Publication number: 20170089408
    Abstract: A magnetorheological actuator including a chamber, in particular a chamber at least sections of which are shaped like a hollow cylinder, containing a magnetorheological fluid, and further including a control element disposed in the chamber, wherein the control element suitable for applying the operating force of the actuator, wherein the control element is a threaded spindle or screw or threaded rod driven to rotate about its longitudinal axis, in particular about the screw axis, and including a spindle core and a thread disposed thereon, the thread surrounded by the magnetorheological fluid, is provided. A clutch having such an actuator is also provided.
    Type: Application
    Filed: January 22, 2015
    Publication date: March 30, 2017
    Inventor: Pierre-Yves Berthelemy