The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 07, 1991
Filed:
Mar. 05, 1990
Hiroshi Ishikawa, Zama, JP;
Kazuo Koyata, Sagamihara, JP;
Tetsuo Ono, Fujisawa, JP;
Takuo Motizuki, Niigata, JP;
Masayuki Sakuta, Ichikawa, JP;
Show Onodera, Nishinomiya, JP;
Hiroshi Yanagioka, Yokohama, JP;
Yoshihisa Abe, Yokohama, JP;
Central Research Institute of Electric Power Industry, Osaka, JP;
Mixed Air Jet Pump Kaihatsu Co., Ltd., Niigata, JP;
Nippon Oil and Fats Co., Ltd., Tokyo, JP;
Chiyoda Corporation, Kanagawa, JP;
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.