Patents by Inventor David Scheinman

David Scheinman 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).

  • Hydraulic actuator system
    Patent number: 10352334
    Abstract: The invention is directed to controlling a hydraulic actuation system having at least one degree of freedom, a prime mover, at least one actuation module and a controller, with each actuation module including: an over-center variable displacement pump having a power input connection configured to power the pump from the prime mover and a displacement varying input for varying the displacement of the pump; a displacement varying actuator configured to modulate the displacement varying input of the pump; an output actuator in direct communication with the pump, the output actuator configured to drive a corresponding degree of freedom; and at least one sensor establishing a feedback measurement that represents a force or motion of the output actuator. Based on a value of each feedback measurement, the force or motion of the output actuator is regulated by controlling the prime mover and the displacement actuator for the output actuator.
    Type: Grant
    Filed: August 27, 2013
    Date of Patent: July 16, 2019
    Assignee: Ekso Bionics, Inc.
    Inventors: Kurt Reed Amundson, Russdon Angold, David Scheinman, Tim Swift, Daniel P Norboe, Robert Moore, Jonathan Beard, Kyle Edelberg
  • Hydraulic Actuator System
    Publication number: 20150226234
    Abstract: The invention is directed to controlling a hydraulic actuation system having at least one degree of freedom, a prime mover, at least one actuation module and a controller, with each actuation module including: an over-center variable displacement pump having a power input connection configured to power the pump from the prime mover and a displacement varying input for varying the displacement of the pump; a displacement varying actuator configured to modulate the displacement varying input of the pump; an output actuator in direct communication with the pump, the output actuator configured to drive a corresponding degree of freedom; and at least one sensor establishing a feedback measurement that represents a force or motion of the output actuator. Based on a value of each feedback measurement, the force or motion of the output actuator is regulated by controlling the prime mover and the displacement actuator for the output actuator.
    Type: Application
    Filed: August 27, 2013
    Publication date: August 13, 2015
    Applicant: Ekso Bionics, Inc.
    Inventors: Kurt Reed Amundson, Russdon Angold, David Scheinman, Tim Swift, Daniel P Norboe, Robert Moore, Jonathan Beard, Kyle Edelberg