Patents by Inventor Heinz-Alfred Borgmann

Heinz-Alfred Borgmann 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).

  • Power and speed control device for a turbo-generator set
    Patent number: 4292534
    Abstract: The power and speed control device for a turbo-generator set of the invention has a generator, a turbine, and a governing valve with a positioning control input, for regulating steam fed to the turbine. The device includes a turbine speed controller, a turbine power controller, a maximum selection circuit, a minimum selection circuit, a summing stage, and a device for supplying a constant reference value to the input of the summing stage. The controllers are connected to the maximum selection circuit and the speed controller is additionally connected to the summing stage. The summing stage is connected to the minimum selection circuit, the maximum selection circuit is connected to the minimum selection circuit, and the minimum selection circuit is fed to the positioning control input of the governing valve.
    Type: Grant
    Filed: January 17, 1980
    Date of Patent: September 29, 1981
    Assignee: Kraftwerk Union AG
    Inventors: Dieter Diegel, Heinz-Alfred Borgmann