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:
Jan. 05, 2021
Filed:
Jun. 14, 2017
Mitsubishi Hitachi Power Systems, Ltd., Kanagawa, JP;
Taku Miyazaki, Tokyo, JP;
Takuichiro Daimaru, Tokyo, JP;
Kenichi Arima, Tokyo, JP;
Shinji Matsumoto, Tokyo, JP;
Yuta Takahashi, Tokyo, JP;
Kazushi Fukui, Kanagawa, JP;
Takashi Iwata, Kanagawa, JP;
MITSUBISHI POWER, LTD., Kanagawa, JP;
Abstract
The present invention improves the even distribution of a powder to a pulverized coal pipe. A rotary classifier including: a rotary shaft rotatably supported around a rotational axis extending in a vertical direction; a frame body supported by the rotary shaft and including an opening on the outer periphery of the frame body; a plurality of powder outlets provided along the rotation direction and opening on the upper section of the frame body; a plurality of blades extending in the vertical direction at the opening on the outer periphery of the frame body and provided along the rotation direction; and an annular member that serves as a constricting section provided so as to narrow the interval from the blades to the rotary shaft.