Patents Assigned to Mixed Air Jet Pump Kaihatsu Co., Ltd.
  • Process for production of coal-water mixture
    Patent number: 5012984
    Abstract: A process for the production of a coal-water mixture, which comprises dry-pulverizing coal under supply of hot air to form pulverized coal in which the proportion of particles having a particle size smaller than 200 .mu.m is at least 90%, in which the proportion of particles having a particle size smaller than 10 .mu.m is 10 to 60%, and making the pulverized coal and the hot air sucked in a mixed-air water jet stream.
    Type: Grant
    Filed: March 5, 1990
    Date of Patent: May 7, 1991
    Assignees: Central Research Institute of Electric Power Industry, Mixed Air Jet Pump Kaihatsu Co., Ltd., Nippon Oil and Fats Co., Ltd., Chiyoda Corporation
    Inventors: Hiroshi Ishikawa, Kazuo Koyata, Tetsuo Ono, Takuo Motizuki, Masayuki Sakuta, Show Onodera, Hiroshi Yanagioka, Yoshihisa Abe