Patents by Inventor Jay E. GROTELUESCHEN

Jay E. GROTELUESCHEN 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).

  • Combined secondary inlet bell and flow grid for a centrifugal fan or centrifugal compressor
    Patent number: 11473596
    Abstract: A centrifugal fan assembly including fan wheel, a primary inlet bell, a secondary inlet bell, and a flow grid. The primary inlet bell and secondary inlet bell direct air into an inlet of the fan wheel of the centrifugal fan. Also disclosed is a sound reduction assembly for reducing the sound produced by a centrifugal fan or centrifugal compressor. A method of directing air flowing into a centrifugal fan or a centrifugal compressor is also disclosed.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: October 18, 2022
    Assignee: TRANE INTERNATIONAL INC.
    Inventors: Stephen J. Lind, Jay E. Grotelueschen
  • COMBINED SECONDARY INLET BELL AND FLOW GRID FOR A CENTRIFUGAL FAN OR CENTRIFUGAL COMPRESSOR
    Publication number: 20190032676
    Abstract: A centrifugal fan assembly including fan wheel, a primary inlet bell, a secondary inlet bell, and a flow grid. The primary inlet bell and secondary inlet bell direct air into an inlet of the fan wheel of the centrifugal fan. Also disclosed is a sound reduction assembly for reducing the sound produced by a centrifugal fan or centrifugal compressor. A method of directing air flowing into a centrifugal fan or a centrifugal compressor is also disclosed.
    Type: Application
    Filed: July 31, 2017
    Publication date: January 31, 2019
    Inventors: Stephen J. LIND, Jay E. GROTELUESCHEN