Patents by Inventor Helmut Fraenkle

Helmut Fraenkle 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).

  • Heat absorber structure, particularly a plasma beam absorber
    Patent number: 4485866
    Abstract: A heat absorber structure comprises a first wall of a good heat conducting material which has a surface with a plurality of spaced apart web portions with coolant channels defined between the web portions and a second wall of a good conducting material overlying the first wall and secured to at least portions of the web portions of the first wall. A second wall has a plurality of bulge portions formed therein in locations overlying the coolant channels. With the method of the invention the coolant channels are filled with an electrically conductive wax which is heated while the second wall is constrained in certain areas so as to form bulge portions on the second wall overlying the channels.
    Type: Grant
    Filed: August 26, 1983
    Date of Patent: December 4, 1984
    Assignee: Messerschmitt-Bolkow-Blohm GmbH
    Inventors: Johann Hemmerich, Peter Kupschus, Helmut Fraenkle
  • Heat absorber structure, particularly a plasma beam absorber and method of manufacturing the structure
    Patent number: 4431488
    Abstract: A heat absorber structure comprises a first wall of a good heat conducting material which has a surface with a plurality of spaced apart web portions with coolant channels defined between the web portions and a second wall of a good conducting material overlying the first wall and secured to at least portions of the web portions of the first wall. A second wall has a plurality of bulge portions formed therein in locations overlying the coolant channels. With the method of the invention the coolant channels are filled with an electrically conductive wax which is heated while the second wall is constrained in certain areas so as to form bulge portions on the second wall overlying the channels.
    Type: Grant
    Filed: September 29, 1982
    Date of Patent: February 14, 1984
    Assignees: Messerschmitt-Bolkow Blohm GmbH, Kernforschungsanlage Julich GmbH
    Inventors: Johann Hemmerich, Peter Kupschus, Helmut Fraenkle