Patents by Inventor Erhard Otto

Erhard Otto 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).

  • Patent number: 6318314
    Abstract: A device for setting movement behavior of gas-exchange valves of an internal combustion engine with a camshaft. The device has a control unit that generates a setting signal for a setting element of a setting device that adjusts the camshaft. A pilot control system is provided which additively corrects the setting signal including determining an estimated value for adjusting the camshaft without taking account of the delay time of the setting device.
    Type: Grant
    Filed: August 28, 2000
    Date of Patent: November 20, 2001
    Assignee: Siemens Aktiengesellschaft
    Inventors: Erhard Otto, Gerd Rösel, Wolfgang Schulte, Hong Zhang
  • Patent number: 5822978
    Abstract: This is a method of controlling an electric heater of a catalytic converter. An electric heater is powered by two separate batteries. There are an electronic control unit, a power switch, and an isolating switch providing logic control to the electric heater.
    Type: Grant
    Filed: December 18, 1996
    Date of Patent: October 20, 1998
    Assignee: Audi AG
    Inventors: Walter Streit, Rainer Mertl, Erhard Otto, Achim Donnerstag, Kurt Maute, Alfred Wirth, Wolfgang Zag
  • Patent number: 5635771
    Abstract: In the case of an electrical wiring for a motor vehicle having a primary system which includes a voltage-controlled generator, a primary energy accumulator as well as at least one primary energy consuming device, and having a paralleled secondary system which includes a secondary energy accumulator as well as at least one secondary energy consuming device, the secondary system includes a control unit with a controllable resistor connected to the generator. The control unit monitors the charge condition of the secondary energy accumulator. As a function of the currently determined charge condition of the secondary energy accumulator, the control unit, on the one hand, controls the controllable resistor in such a manner that, during the charging of the secondary energy accumulator, the primary system is not overloaded.
    Type: Grant
    Filed: June 23, 1995
    Date of Patent: June 3, 1997
    Assignee: Bayerische Motoren Werke AG
    Inventors: Rainer Mertl, Erhard Otto, Walter Streit, Kurt Maute, Wolfgang Zag, Dirk Katzenellenbogen