Patents by Inventor Achim Kaercher

Achim Kaercher 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).

  • Inlet nozzle for a radial, diagonal or axial-flow fan, and a radial, diagonal or axial-flow fan comprising an inlet nozzle
    Patent number: 10975884
    Abstract: An inlet nozzle (1) for a radial, diagonal or axial-flow fan, comprising an inlet section (3) that is circular in cross-section, has a radius of curvature, and tapers in diameter in the direction of flow (4), characterized by the presence of a measure or a flow element on or in the curved surface (5) of the inlet section for the purpose of forcing turbulent boundary layers in the flow, which can counteract a stall in this region. A radial, diagonal or axial-flow fan comprises a corresponding inlet nozzle (1).
    Type: Grant
    Filed: April 25, 2016
    Date of Patent: April 13, 2021
    Assignee: Ziehl-Abegg SE
    Inventors: Tobias Gauss, Daniel Seifried, Achim Kaercher, Andreas Herbert
  • INLET NOZZLE FOR A RADIAL, DIAGONAL OR AXIAL-FLOW FAN, AND A RADIAL, DIAGONAL OR AXIAL-FLOW FAN COMPRISING AN INLET NOZZLE
    Publication number: 20180142702
    Abstract: An inlet nozzle (1) for a radial, diagonal or axial-flow fan, comprising an inlet section (3) that is circular in cross-section, has a radius of curvature, and tapers in diameter in the direction of flow (4), characterized by the presence of a measure or a flow element on or in the curved surface (5) of the inlet section for the purpose of forcing turbulent boundary layers in the flow, which can counteract a stall in this region. A radial, diagonal or axial-flow fan comprises a corresponding inlet nozzle (1).
    Type: Application
    Filed: April 25, 2016
    Publication date: May 24, 2018
    Inventors: Tobias Gauss, Daniel Seifried, Achim Kaercher, Andreas Herbert