Patents by Inventor Nobuyuki SAKAIRI

Nobuyuki SAKAIRI 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: 9874180
    Abstract: A powering apparatus has a diesel engine, a low pressure hydraulic tube containing lower pressure hydraulic fluid, a high pressure hydraulic tube containing higher pressure hydraulic fluid, a first hydraulic pump driven by the diesel engine to send hydraulic fluid from the low pressure hydraulic tube to the high pressure hydraulic tube to adjust the pressure difference within a certain range, an exhaust gas recirculating apparatus including a first hydraulic motor driven by the pressure difference and a compressor driven by the first hydraulic motor to compress a portion of exhaust gas and to supply the exhaust gas to an intake air tube, and an exhaust heat collecting apparatus including a turbine rotated by a refrigerant heated by the exhaust gas and a second hydraulic pump driven by the turbine to send hydraulic fluid from the low pressure hydraulic tube to the high pressure hydraulic tube.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: January 23, 2018
    Assignee: MITSUI ENGINEERING & SHIPBUILDING CO., LTD.
    Inventors: Nobuyuki Sakairi, Kazunori Ohta, Kousuke Matsumaru, Toshinori Shirai
  • Publication number: 20160177886
    Abstract: A powering apparatus has a diesel engine, a low pressure hydraulic tube containing lower pressure hydraulic fluid, a high pressure hydraulic tube containing higher pressure hydraulic fluid, a first hydraulic pump driven by the diesel engine to send hydraulic fluid from the low pressure hydraulic tube to the high pressure hydraulic tube to adjust the pressure difference within a certain range, an exhaust gas recirculating apparatus including a first hydraulic motor driven by the pressure difference and a compressor driven by the first hydraulic motor to compress a portion of exhaust gas and to supply the exhaust gas to an intake air tube, and an exhaust heat collecting apparatus including a turbine rotated by a refrigerant heated by the exhaust gas and a second hydraulic pump driven by the turbine to send hydraulic fluid from the low pressure hydraulic tube to the high pressure hydraulic tube.
    Type: Application
    Filed: December 18, 2015
    Publication date: June 23, 2016
    Inventors: Nobuyuki SAKAIRI, Kazunori OHTA, Kousuke MATSUMARU, Toshinori SHIRAI