Patents by Inventor Klaus-Dieter Daun

Klaus-Dieter Daun 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 cleaning plate heat exchangers used for recovering heat from exhaust gases
    Patent number: 4679620
    Abstract: The invention relates to a method and appartus for cleaning plate heat exchangers of a type used for recovering heat from contaminated exhaust air. Such heat exchangers have heat exchanger plates arranged in a row creating spaces between them, and exhaust air is passed between the heat exchanger plates. The heat exchanger plates are provided with through holes, in alignment to receive a soot blower lance that is mounted in a heat exchanger or housing wall in such a way that it is rotatably and axially movable. The soot blower lance head and the lance can be turned and moved forward.
    Type: Grant
    Filed: February 28, 1986
    Date of Patent: July 14, 1987
    Inventor: Klaus-Dieter Daun