Patents by Inventor Helmut Breitkreutz

Helmut Breitkreutz 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 and apparatus for regulating the idling charge of an internal combustion engine
    Patent number: 4771750
    Abstract: An apparatus is proposed for regulating the idling charge of an internal combustion engine having at least two banks each including a plurality of engine cylinders. Each bank has its own air intake line with throttle valves. Bypassing each throttle valve is a bypass line, in which a throttle opening is openable, each by a respective rotating slide, in accordance with engine operating characteristics by means of a common control motor via a common pivot shaft.
    Type: Grant
    Filed: September 2, 1987
    Date of Patent: September 20, 1988
    Assignee: Robert Bosch GmbH
    Inventors: Helmut Breitkreutz, Gerhard Kistner