Title:
MULTISTAGE FLUID MACHINERY
Document Type and Number:
Japanese Patent JP3872447
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To enhance rigidity of a blade in multistage fluid machinery provided with the blade which is formed by contiguously integrating a guiding blade with a return blade.
SOLUTION: This multistage fluid machinery comprises an impeller 13 and a guiding blade assembly 20. The guiding blade assembly 20 is provided, at its annular base 21, a plurality of guiding blades 22 each having a guiding blade part 22a and a return blade part 22b arranged contiguously to the guiding blade part 22a. A front wall 23 for coupling tips of the plurality of guiding blades 22 in the guiding blade part 22a is provided.
Inventors:
Akihiro Wada
Application Number:
JP2003136224A
Publication Date:
January 24, 2007
Filing Date:
May 14, 2003
Export Citation:
Assignee:
Torishima Manufacturing Co., Ltd.
International Classes:
F04D1/08; F04D29/44; (IPC1-7): F04D29/44; F04D1/08
Domestic Patent References:
| JP6249200A | ||||
| JP10131893A |
Attorney, Agent or Firm:
Aoyama Aoi
Yasumichi Furukawa
Atsushi Maeda
Yoshiyuki Maebori
Yasumichi Furukawa
Atsushi Maeda
Yoshiyuki Maebori