Patents by Inventor Ute Rollmann

Ute Rollmann 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).

  • Method for the fail-safe operation of a hybrid vehicle for the controlled initiation of a substitute measure allowing an operation of the vehicle under emergency conditions, and device for implementing this method
    Patent number: 8548658
    Abstract: A method for the fail-safe operation of a hybrid vehicle having an internal combustion engine, an electric motor, and additional vehicle assemblies. A substitute measure that then still allows the vehicle to be operated under emergency running conditions is initiated if a vehicle assembly fails. A performance quantity that is characteristic of the driving-dynamics situation in which the vehicle finds itself is recorded prior to initiating the substitute measure, and is compared to at least one limit value. The substitute measure is initiated if the limit value is exceeded or not attained. A device which includes a device for implementing such a method is also provided.
    Type: Grant
    Filed: November 19, 2008
    Date of Patent: October 1, 2013
    Assignee: Robert Bosch GmbH
    Inventors: Ute Rollmann, Peter Ahner, Michael Bildstein, Michael Lehner, Felix Reber, Oliver Kaefer
  • Method for the fail-safe operation of a hybrid vehicle for the controlled initiation of a substitute measure allowing an operation of the vehicle under emergency conditions, and device for implementing this method
    Publication number: 20120109430
    Abstract: A method for the fail-safe operation of a hybrid vehicle having an internal combustion engine, an electric motor, and additional vehicle assemblies. A substitute measure that then still allows the vehicle to be operated under emergency running conditions is initiated if a vehicle assembly fails. A performance quantity that is characteristic of the driving-dynamics situation in which the vehicle finds itself is recorded prior to initiating the substitute measure, and is compared to at least one limit value. The substitute measure is initiated if the limit value is exceeded or not attained. A device which includes a device for implementing such a method is also provided.
    Type: Application
    Filed: November 19, 2008
    Publication date: May 3, 2012
    Inventors: Ute Rollmann, Peter Ahner, Michael Bildstein, Michael Lehner, Felix Reber, Oliver Kaefer