Patents by Inventor Iwao Aoki

Iwao Aoki 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).

  • Oil-free screw compressor coated with a base resin, a solid lubricant and a heat-resistant additive
    Patent number: 9944880
    Abstract: In order to prevent deterioration in performance of an oil-free screw compressor and scuffing caused by rust, surfaces of both male and female rotors are coated with heat-resistance coatings containing a solid lubricant. A coating contains Polyimide resin to which Molybdenum disulfide, as a solid lubricant, and Aluminum oxide and Titanium oxide, as additives, are added. Accordingly, it is possible to realize a coating that is higher in heat resistance and longer in lifetime than a conventional one.
    Type: Grant
    Filed: July 7, 2014
    Date of Patent: April 17, 2018
    Assignees: HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD., KAWAMURA RESEARCH LABORATORIES, INC.
    Inventors: Yukiko Ikeda, Kazuaki Shiinoki, Masakatsu Okaya, Natsuki Kawabata, Masahiro Kawamura, Iwao Aoki
  • SCREW COMPRESSOR
    Publication number: 20140322058
    Abstract: In order to prevent deterioration in performance of an oil-free screw compressor and scuffing caused by rust, surfaces of both male and female rotors are coated with heat-resistance coatings containing a solid lubricant. A coating contains Polyimide resin to which Molybdenum disulfide, as a solid lubricant, and Aluminium oxide and Titanium oxide, as additives, are added. Accordingly, it is possible to realize a coating that is higher in heat resistance and longer in lifetime than a conventional one.
    Type: Application
    Filed: July 7, 2014
    Publication date: October 30, 2014
    Inventors: Yukiko IKEDA, Kazuaki SHIINOKI, Masakatsu OKAYA, Natsuki KAWABATA, Masahiro KAWAMURA, Iwao AOKI
  • Screw compressor
    Patent number: 8801412
    Abstract: In order to prevent deterioration in performance of an oil-free screw compressor and scuffing caused by rust, surfaces of both male and female rotors are coated with heat-resistance coatings containing a solid lubricant. A coating contains Polyimide resin to which Molybdenum disulfide, as a solid lubricant, and Aluminum oxide and Titanium oxide, as additives, are added. Accordingly, it is possible to realize a coating that is higher in heat resistance and longer in lifetime than a conventional one.
    Type: Grant
    Filed: September 29, 2011
    Date of Patent: August 12, 2014
    Assignees: Hitachi Industrial Equipment Systems Co., Ltd., Kawamura Research Laboratories, Inc.
    Inventors: Yukiko Ikeda, Kazuaki Shiinoki, Masakatsu Okaya, Natsuki Kawabata, Masahiro Kawamura, Iwao Aoki
  • SCREW COMPRESSOR
    Publication number: 20120100029
    Abstract: In order to prevent deterioration in performance of an oil-free screw compressor and scuffing caused by rust, surfaces of both male and female rotors are coated with heat-resistance coatings containing a solid lubricant. A coating contains Polyimide resin to which Molybdenum disulfide, as a solid lubricant, and Aluminium oxide and Titanium oxide, as additives, are added. Accordingly, it is possible to realize a coating that is higher in heat resistance and longer in lifetime than a conventional one.
    Type: Application
    Filed: September 29, 2011
    Publication date: April 26, 2012
    Inventors: Yukiko IKEDA, Kazuaki Shiinoki, Masakatsu Okaya, Natsuki Kawabata, Masahiro Kawamura, Iwao Aoki
  • Reversible window structure
    Patent number: 4616443
    Abstract: A reversible window structure comprising a window frame assembly and a sash member composed of a sash frame assembly and a window glass is disclosed, wherein one end of the sash member is freely moved along the vertical window frames in the up and down direction, while the vertical sash frame is pivotably supported at a position substantially corresponding to the gravity center of the sash member and this supported portion is freely guided in the outdoor direction in a substantially horizontal state.
    Type: Grant
    Filed: December 27, 1983
    Date of Patent: October 14, 1986
    Assignee: Sankyo Aluminium Industry Company Limited
    Inventors: Tokio Araki, Iwao Aoki