Patents by Inventor Irmgard Heni

Irmgard Heni 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).

  • Drive system for a motor vehicle comprising an internal combustion engine and an electric motor
    Patent number: 8097975
    Abstract: The invention relates to an apparatus and a method for starting an internal combustion engine for a motor vehicle, wherein the internal combustion engine has an associated electrical machine (1) which is operated as a starter/generator. During starting, the electrical machine (1) is supplied with a voltage which is obtained from addition or from subtraction of the voltages which are produced on a first energy store (3) and the voltages which are produced on a second energy store (4).
    Type: Grant
    Filed: April 17, 2003
    Date of Patent: January 17, 2012
    Assignee: Daimler AG
    Inventors: Hermann Bosch, Horst Brinkmeyer, Roland Kemmler, Markus Krauss, Ing. Dietrich Sahm, Hans-Christoph Wolf, Anton Heni, Irmgard Heni, legal representative
  • Drive System for a Motor Vehicle Comprising an Internal Combustion Engine and an Electric Motor
    Publication number: 20080220932
    Abstract: The invention relates to an apparatus and a method for starting an internal combustion engine for a motor vehicle, wherein the internal combustion engine has an associated electrical machine (1) which is operated as a starter/generator. During starting, the electrical machine (1) is supplied with a voltage which is obtained from addition or from subtraction of the voltages which are produced on a first energy store (3) and the voltages which are produced on a second energy store (4).
    Type: Application
    Filed: April 17, 2003
    Publication date: September 11, 2008
    Inventors: Hermann Bosch, Horst Brinkmeyer, Roland Kemmler, Markus Krauss, Ing. Dietrich Sahm, Hans-Christoph Wolf, Anton Heni, Irmgard Heni
  • Power supply circuit for a motor vehicle electric system
    Publication number: 20060137918
    Abstract: The present invention discloses a power supply circuit for a motor vehicle electric system having a starter generator (1), a power electronics system (LE), at least one battery (B), at least one dynamic energy accumulator (3) and a DC/DC converter (2). The power supply circuit has a first connection branch which is provided with the DC/DC converter (2) and is connected to a terminal of the dynamic energy accumulator (3) and a second connection branch which is connected to a terminal of the battery (B). Both connection branches can be disconnected from the starter generator (1) by means of controllable switches (S1, S2).
    Type: Application
    Filed: December 13, 2003
    Publication date: June 29, 2006
    Applicant: DAIMLERCHRYSLER AG
    Inventors: Wolfgang Dinser, Matthias Kronewitter, Anton Heni, Irmgard Heni