Patents by Inventor Jeffrey A. Sipila

Jeffrey A. Sipila 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).

  • Load dependent electronic valve actuator regulation and pressure compensation
    Patent number: 10183852
    Abstract: A hydraulic control system that uses system pressure information and a rescaled operator input to command valve spool area to control actuator speed. The system uses soft sealing and/or soft pressure compensation.
    Type: Grant
    Filed: June 15, 2016
    Date of Patent: January 22, 2019
    Assignee: Danfoss Power Solutions GMBH & CO OHG
    Inventors: Abhijit Das, Lee Mahlum, Luke Wadsley, Richard Hitchcock, Jeffrey A. Sipila, Larry Joachim
  • LOAD DEPENDENT ELECTRONIC VALVE ACTUATOR REGULATION AND PRESSURE COMPENSATION
    Publication number: 20170029256
    Abstract: A hydraulic control system that uses system pressure information and a rescaled operator input to command valve spool area to control actuator speed. The system uses soft sealing and/or soft pressure compensation.
    Type: Application
    Filed: June 15, 2016
    Publication date: February 2, 2017
    Inventors: Abhijit Das, Lee Mahlum, Luke Wadsley, Richard Hitchcock, Jeffrey A. Sipila, Larry Joachim