Title:
AXIAL-FLOW TURBINE
Document Type and Number:
WIPO Patent Application WO/2017/029689
Kind Code:
A1
Abstract:
The turbine (21) is equipped with: a casing (30); a turbine rotor (90) which is disposed inside the casing (30) so as to penetrate therethrough; rotor vanes (100) which are implanted along the circumference of the turbine rotor (90); an outer ring-side wall (40) which is supported on the casing (30); and an inner ring-side wall (50) which is disposed on the inner side of the outer ring-side wall (40) and which forms an annular opening (70) with the outer ring-side wall (40). The turbine (21) is further equipped with: stator vanes (60) which are disposed in a part of the area of the annular opening (70) in the circumferential direction and which are arranged in the axial direction of the turbine rotor in an alternating manner with the rotor vanes (100); a closure plate (80) which is disposed in the other area in the circumferential direction of the annular opening (70) and which closes the opening in the other area; and reinforcement plates (81) which are disposed toward the downstream side from a downstream-side end face of the closure plate (80).
More Like This:
Inventors:
MAEDA HIDEYUKI (JP)
SATO IWATARO (JP)
SEKINE SATORU (JP)
SATO IWATARO (JP)
SEKINE SATORU (JP)
Application Number:
PCT/JP2015/004051
Publication Date:
February 23, 2017
Filing Date:
August 14, 2015
Export Citation:
Assignee:
TOSHIBA KK (JP)
International Classes:
F01D9/02; F01D17/14; F02C9/20
Foreign References:
| JP2014173529A | 2014-09-22 | |||
| JPH11107701A | 1999-04-20 | |||
| JPS56159508A | 1981-12-08 | |||
| JPS61229904A | 1986-10-14 |
Attorney, Agent or Firm:
SAKURA PATENT OFFICE, P.C. (JP)
Download PDF: