Title:
ROTOR BLADE AND DISC OF ROTATING BODY
Document Type and Number:
WIPO Patent Application WO/2020/137599
Kind Code:
A1
Abstract:
A rotor blade (15) embedded in a disc (17) of a rotating body (1) wherein, in a transverse section, a blade root (21) of the rotor blade has at least one stage of protruding parts (23), which protrude on both sides in a direction that includes a circumferential component, and are for engaging the blade root (21) with the disc (17). A contact surface (23a) of the protruding parts (23) that is in contact with the disc (17) slants toward a center portion of the blade root (21) so as to extend from the radially inward side toward the radially outward side, and a noncontact surface (23b) of the protruding parts (23) that is not in contact with the disc (17) slants toward the center portion of the blade root (21) so as to extend from the radially inward side toward the radially outward side.
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Inventors:
KURASHIMA HIROTAKA (JP)
MATSUDA HIROKAZU (JP)
TAMAI RYOJI (JP)
TANAKA RYOZO (JP)
MATSUDA HIROKAZU (JP)
TAMAI RYOJI (JP)
TANAKA RYOZO (JP)
Application Number:
PCT/JP2019/048856
Publication Date:
July 02, 2020
Filing Date:
December 13, 2019
Export Citation:
Assignee:
KAWASAKI HEAVY IND LTD (JP)
International Classes:
F01D5/30; F01D5/06; F04D29/34
Foreign References:
| JP2000337294A | 2000-12-05 | |||
| JP2000512707A | 2000-09-26 | |||
| US20080232972A1 | 2008-09-25 | |||
| US5310317A | 1994-05-10 | |||
| JP2008540921A | 2008-11-20 | |||
| US20030129060A1 | 2003-07-10 | |||
| JP2003314207A | 2003-11-06 | |||
| US20140140852A1 | 2014-05-22 |
Attorney, Agent or Firm:
SUGIMOTO, Shuji et al. (JP)
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