Patents by Inventor Stefan Walshe

Stefan Walshe 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).

  • Partially hollow shaft for HVAC compressor
    Patent number: 11434918
    Abstract: This disclosure relates to a compressor having a partially hollow shaft. In particular, an exemplary compressor includes a shaft which is partially hollow, and at least one impeller rotatably coupled to the shaft. The compressor may be a refrigerant compressor used in a heating, ventilation, and air conditioning (HVAC) chiller system.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: September 6, 2022
    Inventors: Zili Sun, Ruiguo Gao, Stefan Walshe, Aida Rezaei, Dongkoo Shin
  • PARTIALLY HOLLOW SHAFT FOR HVAC COMPRESSOR
    Publication number: 20200400155
    Abstract: This disclosure relates to a compressor having a partially hollow shaft. In particular, an exemplary compressor includes a shaft which is partially hollow, and at least one impeller rotatably coupled to the shaft. The compressor may be a refrigerant compressor used in a heating, ventilation, and air conditioning (HVAC) chiller system.
    Type: Application
    Filed: June 21, 2019
    Publication date: December 24, 2020
    Inventors: Zili Sun, Ruiguo Gao, Stefan Walshe, Aida Rezaei, Dongkoo Shin