Title:
TURBINE BLADE
Document Type and Number:
WIPO Patent Application WO/2019/136674
Kind Code:
A1
Abstract:
Provided is a turbine blade, comprising a blade body (10), wherein the blade body (10) has a blade tip (12) and a blade root (14); the blade tip (12) has a blade tip plane (20) at the top end of the blade body (10); a concave cavity (26) is provided in the turbine blade; the concave cavity (26) is streamlined; the concave cavity (26) has an opening (28); the opening (28) is located on the blade tip plane (20); and a portion, along the cross section of the turbine blade, of the concave cavity (26) is formed by a number of arcs. With the turbine blade, the mass of the entire blade is lighter, thereby avoiding thermal stress concentration in high-temperature, high-speed and high-pressure environments.
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Inventors:
WANG ZHIQIANG (CN)
LI LIHUA (CN)
WANG JUN (CN)
PAN XIAOCONG (CN)
LI LIHUA (CN)
WANG JUN (CN)
PAN XIAOCONG (CN)
Application Number:
PCT/CN2018/072288
Publication Date:
July 18, 2019
Filing Date:
January 11, 2018
Export Citation:
Assignee:
GUIZHOU WISDOM ENERGY TECH CO LTD (CN)
International Classes:
F01D5/14
Foreign References:
| CN105179022A | 2015-12-23 | |||
| CN206769964U | 2017-12-19 | |||
| CN105569740A | 2016-05-11 |
Attorney, Agent or Firm:
SHEN & PARTNERS (CN)
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