Title:
AIR BUBBLE DISPERSION DEVICE AND IMPELLER
Document Type and Number:
WIPO Patent Application WO/2021/205623
Kind Code:
A1
Abstract:
Provided is an air bubble dispersion device and an impeller that can efficiently separate air bubbles. Provided is an air bubble dispersion device (1) that blows purified gas into a molten metal (M), wherein the device is characterized by including: a rotating shaft (10) provided with a through-hole (11) through which the purified gas is supplied; and an impeller (20) attached to a bottom end of the rotating shaft (10). The device is also characterized in that the impeller (20) includes: a center body part (21) that includes a gas spray hole (24) that communicates with the through-hole (11); a plurality of blade parts (22, 22...) that are arranged at equal intervals in the circumferential direction of the impeller (20) and that are inclined with respect to the axial direction of the impeller (20); and an air bubble guiding part (23) that covers a gap between adjacent blade parts (22, 22).
Inventors:
SUZUKI AIRE (JP)
YAMAMOTO TAKUYA (JP)
SHIGEMITSU MASAYA (JP)
TANIGUCHI RYOSUKE (JP)
ISHIWATA YASUO (JP)
KOMAROV SERGEY (JP)
YAMAMOTO TAKUYA (JP)
SHIGEMITSU MASAYA (JP)
TANIGUCHI RYOSUKE (JP)
ISHIWATA YASUO (JP)
KOMAROV SERGEY (JP)
Application Number:
PCT/JP2020/016035
Publication Date:
October 14, 2021
Filing Date:
April 09, 2020
Export Citation:
Assignee:
NIPPON LIGHT METAL CO (JP)
UNIV TOHOKU (JP)
UNIV TOHOKU (JP)
International Classes:
B22D1/00; B22D21/04; C22B21/06
Foreign References:
| JPH04123250U | 1992-11-06 |
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
Download PDF: