Patents by Inventor Tsuneji Sugano

Tsuneji Sugano 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).

  • COMPRESSOR FOR REFRIGERATION AND AIR-CONDITIONING AND REFRIGERATING AND AIR-CONDITIONING APPARATUS
    Publication number: 20120024007
    Abstract: A refrigerating machine oil including a refrigerating machine oil basis such as polyol ester oil and an additive polyol ester oil is mixed to a refrigerant including 2,3,3,3-tetrafluoropropene, 1,3,3,3-tetrafluoropropene or the like. A compressor for refrigeration and air-conditioning including the mixture charged therein is used. The composition of the additive polyol ester oil is 1 to 30 wt %. The wear resistance of the compressor is improved, and the efficiency of a refrigerating and air-conditioning apparatus using the compressor is enhanced.
    Type: Application
    Filed: July 29, 2011
    Publication date: February 2, 2012
    Inventors: Ryo OTA, Tsuneji Sugano, Kuninari Araki