Patents by Inventor Heinz-J{dot over (u)}rgen Feld

Heinz-J{dot over (u)}rgen Feld 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).

  • Diffusor
    Patent number: 8162604
    Abstract: The guide device for the diffusor at the compressor impeller outlet of a radial compressor has guide blades with stepped inlet edges. The step is implemented by setting back the hub-side inlet edge. This meridional stepping divides the guide blades into two component blades, of which the first component blade is made longer than the second component blade. The set-back of the inlet edge of the hub-side component blade and the associated superposition of the noise fields which are produced on the front and rear inlet edge of the diffusor leads to improvement of the acoustic properties of the compressor.
    Type: Grant
    Filed: May 23, 2007
    Date of Patent: April 24, 2012
    Assignee: ABB Turbo Systems AG
    Inventors: Janpeter Kühnel, Heinz-J{dot over (u)}rgen Feld, Christine Lindblom