Patents by Inventor Masayoshi MIKURIYA

Masayoshi MIKURIYA 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: 9856885
    Abstract: Provided is an oil tank of a turbo chiller compressor whose heater can be replaced or checked without removing oil from an oil tank and removing refrigerant from a turbo chiller, and a turbo chiller compressor. An oil tank (10) of a turbo chiller compressor (3A) includes a bottom plate (11) and side plates (12, 13) standing upright so as to extend upward from an outer peripheral edge portion of the bottom plate (11). The oil tank (10) forms a bottom portion of a casing (14) forming the turbo chiller compressor (3A), a through-hole (21) is formed so as to penetrate the side plate (12) in a plate thickness direction, a protective tube (22) closed at a tip end thereof is inserted into the through-hole (21), and a rod-shaped heater (26) configured to be able to be pulled out from the protective tube (22) and be inserted into the protective tube (22) is inserted into the protective tube (22).
    Type: Grant
    Filed: February 13, 2014
    Date of Patent: January 2, 2018
    Assignee: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
    Inventors: Yasushi Hasegawa, Kenji Ueda, Masataka Yanagita, Masayoshi Mikuriya
  • Publication number: 20160010654
    Abstract: Provided is an oil tank of a turbo chiller compressor whose heater can be replaced or checked without removing oil from an oil tank and removing refrigerant from a turbo chiller, and a turbo chiller compressor. An oil tank (10) of a turbo chiller compressor (3A) includes a bottom plate (11) and side plates (12, 13) standing upright so as to extend upward from an outer peripheral edge portion of the bottom plate (11). The oil tank (10) forms a bottom portion of a casing (14) forming the turbo chiller compressor (3A), a through-hole (21) is formed so as to penetrate the side plate (12) in a plate thickness direction, a protective tube (22) closed at a tip end thereof is inserted into the through-hole (21), and a rod-shaped heater (26) configured to be able to be pulled out from the protective tube (22) and be inserted into the protective tube (22) is inserted into the protective tube (22).
    Type: Application
    Filed: February 13, 2014
    Publication date: January 14, 2016
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yasushi HASEGAWA, Kenji UEDA, Masataka YANAGITA, Masayoshi MIKURIYA