Patents by Inventor Donald R. WIESMANN

Donald R. WIESMANN 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).

  • HEATING AND COOLING SYSTEMS
    Publication number: 20230358456
    Abstract: A system includes: a refrigerant compressor including an electric motor; a single printed circuit board (PCB); a drive that is disposed on the single PCB and that includes switches that control the application of power from a battery to the electric motor; and one or more processors disposed on the single PCB, the one or more processors configured to: determine a speed command for the refrigerant compressor based on one or more operating parameters; and actuate the switches of the drive based on the speed command.
    Type: Application
    Filed: May 5, 2022
    Publication date: November 9, 2023
    Applicant: Emerson Climate Technologies, Inc.
    Inventors: Joseph J. ROZSNAKI, Donald R. WIESMANN