Patents by Inventor Katharina Grimme

Katharina Grimme 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).

  • Device for controlling electrically actuable valves in different operating modes
    Patent number: 9502198
    Abstract: A device for controlling an electrically actuable valve having a valve coil, including a main switch, situated in the current circuit of the valve coil, for adjusting the current flowing through the valve coil, and a freewheeling path, which has a freewheeling diode and is switched in parallel with the valve coil. A freewheeling switch is provided, by which the freewheeling path is able to be interrupted or closed. This allows for optionally operating the valve in a PMW or in a switching operation.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: November 22, 2016
    Assignee: ROBERT BOSCH GMBH
    Inventors: Jose-Luis Parga-Cacheiro, Dirk Bodenschatz, Katharina Grimme
  • Device for Controling Electrically Actuable Valves in Different Operating Modes
    Publication number: 20150022933
    Abstract: A device for controlling an electrically actuable valve having a valve coil, including a main switch, situated in the current circuit of the valve coil, for adjusting the current flowing through the valve coil, and a freewheeling path, which has a freewheeling diode and is switched in parallel with the valve coil. A freewheeling switch is provided, by which the freewheeling path is able to be interrupted or closed. This allows for optionally operating the valve in a PMW or in a switching operation.
    Type: Application
    Filed: November 30, 2012
    Publication date: January 22, 2015
    Inventors: Jose-Luis Parga-Cacheiro, Dirk Bodenschatz, Katharina Grimme