Title:
インペラ、回転機械、及びインペラの製造方法
Document Type and Number:
Japanese Patent JP6843003
Kind Code:
B2
Abstract:
To provide an impeller which can improve the rigidity of an impeller main body itself, a rotating machine and a manufacturing method of the impeller.SOLUTION: An impeller comprises: an impeller main body 31 having a boss hole penetrating a center part and a hub face, and constituted of a reinforcing fiber-containing resin 32; blades arranged at the hub face of the impeller main body 31 in a plurality of pieces in a peripheral direction Dc of the impeller main body 31; and a reinforcing core piece 35 which is internally arranged at a portion located at the boss hole side out of the impeller main body 31, and whose internal peripheral face 35b defines a part of the boss hole. The reinforcing core piece 35 has an external peripheral face 35a for guiding a flow of the reinforcing fiber-containing resin 32 located at a back face side of the impeller main body 31 to a radial direction of the reinforcing core piece 35.SELECTED DRAWING: Figure 6
Inventors:
Ryoji Okabe
Kousuke Ikeda
Sana Kana
Kousuke Ikeda
Sana Kana
Application Number:
JP2017115368A
Publication Date:
March 17, 2021
Filing Date:
June 12, 2017
Export Citation:
Assignee:
MITSUBISHI HEAVY INDUSTRIES,LTD.
International Classes:
F04D29/28; F04D29/02
Domestic Patent References:
| JP7049099A | ||||
| JP55041273A | ||||
| JP2017515062A | ||||
| JP11234966A | ||||
| JP2005170198A | ||||
| JP2014528851A | ||||
| JP2016108985A | ||||
| JP2016113925A |
Attorney, Agent or Firm:
Yasushi Matsunuma
Eisuke Ito
Hiroyuki Hashimoto
Satoshi Koto
Koichiro Kamata
Taichi Hasegawa
Ryuichiro Mori
Masatake Shiga
Tadashi Takahashi
Tetsuo Yamazaki
Eisuke Ito
Hiroyuki Hashimoto
Satoshi Koto
Koichiro Kamata
Taichi Hasegawa
Ryuichiro Mori
Masatake Shiga
Tadashi Takahashi
Tetsuo Yamazaki