Patents Assigned to MORIKAWA SAKUSEN INDUSTRIES CO., LTD.
  • Geothermal heat utilization system and geothermal heat utilization method
    Patent number: 11629889
    Abstract: A geothermal heat utilization system (10) includes a pumping well (20), a water injection well (30), a pipe (13) having two ends which are immersed in water stored in the pumping well (20) and the water injection well (30) so as to connect the pumping well (20) and the water injection well (30) to each other, a pump (21) and a pump (31) which are respectively provided inside the pumping well (20) and the water injection well (30) and pump up stored water through the pipe (13), a valve (25) and a valve (35) which are respectively provided on a pressurization side of the pump (21) inside the pumping well (20) and a pressurization side of the pump (31) inside the water injection well (30), and a heat exchanger (14) which is configured to exchange heat with the pipe (13).
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: April 18, 2023
    Assignees: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD., OSAKA CITY UNIVERSITY, NEWJEC INC., THE KANSAI ELECTRIC POWER CO., INC., MORIKAWA SAKUSEN INDUSTRIES CO., LTD.
    Inventors: Masanobu Sakai, Takeshi Fuchimoto, Rinnichi Sai, Masaki Nakao, Kazuhiro Nakamura, Yasuhisa Nakaso, Toshihide Morikawa, Shinsuke Sakae
  • GEOTHERMAL HEAT UTILIZATION SYSTEM AND GEOTHERMAL HEAT UTILIZATION METHOD
    Publication number: 20200025419
    Abstract: A geothermal heat utilization system (10) includes a pumping well (20), a water injection well (30), a pipe (13) having two ends which are immersed in water stored in the pumping well (20) and the water injection well (30) so as to connect the pumping well (20) and the water injection well (30) to each other, a pump (21) and a pump (31) which are respectively provided inside the pumping well (20) and the water injection well (30) and pump up stored water through the pipe (13), a valve (25) and a valve (35) which are respectively provided on a pressurization side of the pump (21) inside the pumping well (20) and a pressurization side of the pump (31) inside the water injection well (30), and a heat exchanger (14) which is configured to exchange heat with the pipe (13).
    Type: Application
    Filed: March 28, 2018
    Publication date: January 23, 2020
    Applicants: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD., OSAKA CITY UNIVERSITY, NEWJEC INC., THE KANSAI ELECTRIC POWER CO., INC., MORIKAWA SAKUSEN INDUSTRIES CO., LTD.
    Inventors: Masanobu SAKAI, Takeshi FUCHIMOTO, Rinnichi SAI, Masaki NAKAO, Kazuhiro NAKAMURA, Yasuhisa NAKASO, Toshihide MORIKAWA, Shinsuke SAKAE