Title:
TURBINE MOVING BLADE AND GAS TURBINE
Document Type and Number:
WIPO Patent Application WO/2018/155635
Kind Code:
A1
Abstract:
A turbine moving blade comprises a diametrically extending blade body (50) in which a negative pressure surface (51) that faces one way in a circumferential direction and a pressure surface (52) that faces the other way in the circumferential direction are connected at a leading edge (53) and a trailing edge (54), and a shroud (60) provided to a distal end of the blade body (50) that serves as a diametrically outer end part. The shroud (60) comprises: a shroud body (61) having an outer peripheral surface (63) facing diametrically outward, a front-end surface (64) extending both ways in the circumferential direction with the leading edge (53) side of the blade body (50) as a reference point (P1), a rear-end surface (67) extending both ways in the circumferential direction with the trailing edge (54) side of the blade body (50) as a reference point (P2), and contact surfaces provided to both sides in the circumferential direction; and a reinforcing part (90) protruding from the outer peripheral surface (63) and extending across the front-end surface (64) and the rear-end surface (67).
Inventors:
HIYAMA TAKASHI (JP)
NISHIMURA KAZUYA (JP)
TAKAMURA KEITA (JP)
WAKAZONO SUSUMU (JP)
FUJIMURA DAIGO (JP)
NISHIMURA KAZUYA (JP)
TAKAMURA KEITA (JP)
WAKAZONO SUSUMU (JP)
FUJIMURA DAIGO (JP)
Application Number:
PCT/JP2018/006730
Publication Date:
August 30, 2018
Filing Date:
February 23, 2018
Export Citation:
Assignee:
MITSUBISHI HITACHI POWER SYS (JP)
International Classes:
F01D5/22; F01D11/02; F02C7/28
Foreign References:
| US20150017003A1 | 2015-01-15 | |||
| JPH10306702A | 1998-11-17 | |||
| JP2005207294A | 2005-08-04 | |||
| US20150226070A1 | 2015-08-13 | |||
| US20120003078A1 | 2012-01-05 | |||
| US20130149165A1 | 2013-06-13 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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