Turbine Stator Vane And Steam Turbine

Abstract: A turbine stator vane comprising: a stator vane body extending in a radial direction intersecting the flow direction of steam; a recovery potion that is formed on the surface of the stator vane body, and recovers a liquid film flowing along the surface; and a center region, which is formed on the surface of the stator vane body and in which a plurality of first fine grooves extending from the upstream side toward the recovery portion in the flow direction are formed, wherein the interval between adjacent first fine grooves narrows from the upstream side toward the recovery portion.

Patent Information

Application #

Filing Date

11 May 2023

Publication Number

32/2024

Publication Type

INA

Invention Field

MECHANICAL ENGINEERING

Status

Email

Parent Application

Applicants

MITSUBISHI HEAVY INDUSTRIES, LTD.

2-3, Marunouchi 3-Chome, Chiyoda-ku, Tokyo 1008332

Inventors

1. MIZUMI Shunsuke

c/o MITSUBISHI HEAVY INDUSTRIES, LTD., 2-3, Marunouchi 3-Chome, Chiyoda-ku, Tokyo 1008332

2. TABATA Soichiro

c/o MITSUBISHI HEAVY INDUSTRIES, LTD., 2-3, Marunouchi 3-Chome, Chiyoda-ku, Tokyo 1008332

3. ISHIBASHI Koji

c/o MITSUBISHI HEAVY INDUSTRIES, LTD., 2-3, Marunouchi 3-Chome, Chiyoda-ku, Tokyo 1008332

4. MIYAKE Satoshi

c/o MITSUBISHI HEAVY INDUSTRIES, LTD., 2-3, Marunouchi 3-Chome, Chiyoda-ku, Tokyo 1008332

Specification

Documents

Application Documents

#	Name	Date
1	202317033321.pdf	2023-05-11
2	202317033321-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [11-05-2023(online)].pdf	2023-05-11
3	202317033321-STATEMENT OF UNDERTAKING (FORM 3) [11-05-2023(online)].pdf	2023-05-11
4	202317033321-REQUEST FOR EXAMINATION (FORM-18) [11-05-2023(online)].pdf	2023-05-11
5	202317033321-POWER OF AUTHORITY [11-05-2023(online)].pdf	2023-05-11
6	202317033321-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [11-05-2023(online)].pdf	2023-05-11
7	202317033321-FORM 18 [11-05-2023(online)].pdf	2023-05-11
8	202317033321-FORM 1 [11-05-2023(online)].pdf	2023-05-11
9	202317033321-DRAWINGS [11-05-2023(online)].pdf	2023-05-11
10	202317033321-DECLARATION OF INVENTORSHIP (FORM 5) [11-05-2023(online)].pdf	2023-05-11
11	202317033321-COMPLETE SPECIFICATION [11-05-2023(online)].pdf	2023-05-11
12	202317033321-Proof of Right [19-05-2023(online)].pdf	2023-05-19
13	202317033321-FORM 3 [05-10-2023(online)].pdf	2023-10-05
14	202317033321-Others-280224.pdf	2024-04-03
15	202317033321-Correspondence-280224.pdf	2024-04-03