Patents by Inventor Yuusuke KISHIWAKI

Yuusuke KISHIWAKI 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).

  • Preheater for compressor
    Patent number: 10514025
    Abstract: A preheater for a compressor that is capable of heating a lubricant oil efficiently with smaller power is provided. A preheater for a compressor includes: a capacitive oil surface sensor that is provided at a compressor used in a refrigerating cycle, and detects an oil surface of a lubricant oil A in the compressor; and a power supply unit that applies high-frequency voltage to the oil surface sensor.
    Type: Grant
    Filed: December 4, 2015
    Date of Patent: December 24, 2019
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Shinichi Ishizeki, Hiroshi Doumae, Yuusuke Kishiwaki, Masahide Fujiwara, Motonobu Ikeda
  • PREHEATER FOR COMPRESSOR
    Publication number: 20170314815
    Abstract: A preheater for a compressor that is capable of heating a lubricant oil efficiently with smaller power is provided. A preheater for a compressor includes: a capacitive oil surface sensor that is provided at a compressor used in a refrigerating cycle, and detects an oil surface of a lubricant oil A in the compressor; and a power supply unit that applies high-frequency voltage to the oil surface sensor.
    Type: Application
    Filed: December 4, 2015
    Publication date: November 2, 2017
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Shinichi ISHIZEKI, Hiroshi DOUMAE, Yuusuke KISHIWAKI, Masahide FUJIWARA, Motonobu IKEDA