Patents by Inventor James Scott FRASER

James Scott FRASER 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).

  • Patent number: 11460224
    Abstract: Systems and methods for purging lubricant from a first compressor to a second compressor are provided. A control module receives a lubricant purge command, shuts the second compressor to an OFF-mode while the first compressor remains in the ON-mode, restricts working fluid from an outlet of the second compressor from flowing into the first compressor and allows compressed working fluid discharged from an outlet of the first compressor to flow into the inlet of the second compressor such that lubricant in the second compressor flows into the first compressor.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: October 4, 2022
    Assignee: Emerson Climate Technologies, Inc.
    Inventors: Michael A. Saunders, Kory M. Place, James Scott Fraser, Natarajan Rajendran, Jason A. Born, Daniel J. Rice
  • Publication number: 20200132346
    Abstract: Systems and methods for purging lubricant from a first compressor to a second compressor are provided. A control module receives a lubricant purge command, shuts the second compressor to an OFF-mode while the first compressor remains in the ON-mode, restricts working fluid from an outlet of the second compressor from flowing into the first compressor and allows compressed working fluid discharged from an outlet of the first compressor to flow into the inlet of the second compressor such that lubricant in the second compressor flows into the first compressor.
    Type: Application
    Filed: October 30, 2019
    Publication date: April 30, 2020
    Applicant: Emerson Climate Technologies, Inc.
    Inventors: Michael A. SAUNDERS, Kory M. PLACE, James Scott FRASER, Natarajan RAJENDRAN, Jason A. BORN, Daniel J. RICE