Patents by Inventor Volkher Hofmann

Volkher Hofmann 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 effecting a sleep mode of a cell supervision circuit of a lithium-ion rechargeable battery and lithium-ion rechargeable battery
    Patent number: 10003104
    Abstract: Effecting a sleep mode of a cell supervision circuit of a rechargeable battery, in which the cell supervision circuit is not in the sleep mode after at least one sleep command sent to the cell supervision circuit, and in which a command for a software reset of the cell supervision circuit is sent to the cell supervision circuit after confirmation of the sleep mode is absent.
    Type: Grant
    Filed: September 24, 2014
    Date of Patent: June 19, 2018
    Assignee: Robert Bosch GmbH
    Inventors: Joerg Christoph Wilhelm, Volkher Hofmann, Marc Heydemann, Holger Wetzel
  • METHOD FOR CHECKING A SLEEP MODE OF A CELL SUPERVISION CIRCUIT AND LITHIUM-ION RECHARGEABLE BATTERY
    Publication number: 20150086815
    Abstract: Checking a sleep mode of a cell supervision circuit of a lithium-ion rechargeable battery having at least one electrochemical cell, while a sleep mode is set by a control device of the rechargeable battery for the cell supervision circuit, wherein, according to the method, the sending of a sleep command of the control device to the cell supervision circuit is connected to a confirmation request to the cell supervision circuit, and, in the event of non-receipt of a confirmation from the cell supervision circuit, the control device sends the sleep command and/or the confirmation request again after a time interval.
    Type: Application
    Filed: September 24, 2014
    Publication date: March 26, 2015
    Inventors: Joerg Christoph Wilhelm, Volkher Hofmann, Holger Wetzel
  • METHOD FOR EFFECTING A SLEEP MODE OF A CELL SUPERVISION CIRCUIT OF A LITHIUM-ION RECHARGEABLE BATTERY AND LITHIUM-ION RECHARGEABLE BATTERY
    Publication number: 20150086814
    Abstract: Effecting a sleep mode of a cell supervision circuit of a rechargeable battery, in which the cell supervision circuit is not in the sleep mode after at least one sleep command sent to the cell supervision circuit, and in which a command for a software reset of the cell supervision circuit is sent to the cell supervision circuit after confirmation of the sleep mode is absent.
    Type: Application
    Filed: September 24, 2014
    Publication date: March 26, 2015
    Inventors: Joerg Christoph Wilhelm, Volkher Hofmann, Marc Heydemann, Holger Wetzel