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Turbine Blade And Steam Turbine
Abstract: A turbine blade (21) has a ventral surface (21P) that extends in the radial direction, which intersects with a vapor flow direction, and faces the upstream side of the flow direction. A slit (5) is formed on the downstream side in the ventral surface (21P), extends radially, and captures a component of vapor that has liquefied. A hydrophilic uneven region (6) is formed more on the upstream side than the slit (5) and has a larger liquid film allowance than the ventral surface (21P) as a result of being recessed in the depth direction intersecting with the ventral surface (21P). In the hydrophilic uneven region (6), the dimension in the depth direction increases and the flow resistance decreases toward the slit (5), the further toward the downstream side the hydrophilic uneven region (6) goes.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
20 August 2021
Publication Number
35/2021
Publication Type
INA
Invention Field
MECHANICAL ENGINEERING
Status
Email
IPRDEL@LAKSHMISRI.COM
Parent Application
Patent Number
Legal Status
Grant Date
2023-11-21
Renewal Date
Applicants
MITSUBISHI POWER, LTD.
3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-shi, Kanagawa
2208401
Inventors
1. MIZUMI Shunsuke
c/o MITSUBISHI HEAVY INDUSTRIES, LTD., 2-3, Marunouchi 3-Chome, Chiyoda-ku, Tokyo
1008332
2. DUAN Chongfei
c/o MITSUBISHI HEAVY INDUSTRIES, LTD., 2-3, Marunouchi 3-Chome, Chiyoda-ku, Tokyo
1008332
3. SASAO Yasuhiro
c/o Mitsubishi Hitachi Power Systems, Ltd., 3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-shi, Kanagawa
2208401
4. TABATA Soichiro
c/o Mitsubishi Hitachi Power Systems, Ltd., 3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-shi, Kanagawa
2208401
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202147037901-IntimationOfGrant21-11-2023.pdf | 2023-11-21 |
| 1 | 202147037901-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [20-08-2021(online)].pdf | 2021-08-20 |
| 2 | 202147037901-STATEMENT OF UNDERTAKING (FORM 3) [20-08-2021(online)].pdf | 2021-08-20 |
| 2 | 202147037901-PatentCertificate21-11-2023.pdf | 2023-11-21 |
| 3 | 202147037901-REQUEST FOR EXAMINATION (FORM-18) [20-08-2021(online)].pdf | 2021-08-20 |
| 3 | 202147037901-CLAIMS [23-06-2022(online)].pdf | 2022-06-23 |
| 4 | 202147037901-POWER OF AUTHORITY [20-08-2021(online)].pdf | 2021-08-20 |
| 4 | 202147037901-FER_SER_REPLY [23-06-2022(online)].pdf | 2022-06-23 |
| 5 | 202147037901-OTHERS [23-06-2022(online)].pdf | 2022-06-23 |
| 5 | 202147037901-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105) [20-08-2021(online)].pdf | 2021-08-20 |
| 6 | 202147037901-FORM 3 [31-05-2022(online)].pdf | 2022-05-31 |
| 6 | 202147037901-FORM 18 [20-08-2021(online)].pdf | 2021-08-20 |
| 7 | 202147037901-FORM 1 [20-08-2021(online)].pdf | 2021-08-20 |
| 7 | 202147037901-8(i)-Substitution-Change Of Applicant - Form 6 [25-04-2022(online)].pdf | 2022-04-25 |
| 8 | 202147037901-DRAWINGS [20-08-2021(online)].pdf | 2021-08-20 |
| 8 | 202147037901-ASSIGNMENT DOCUMENTS [25-04-2022(online)].pdf | 2022-04-25 |
| 9 | 202147037901-PA [25-04-2022(online)].pdf | 2022-04-25 |
| 9 | 202147037901-DECLARATION OF INVENTORSHIP (FORM 5) [20-08-2021(online)].pdf | 2021-08-20 |
| 10 | 202147037901-COMPLETE SPECIFICATION [20-08-2021(online)].pdf | 2021-08-20 |
| 10 | 202147037901-FER.pdf | 2022-03-16 |
| 11 | 202147037901-FORM 3 [07-01-2022(online)].pdf | 2022-01-07 |
| 11 | 202147037901-Proof of Right [24-08-2021(online)].pdf | 2021-08-24 |
| 12 | 202147037901.pdf | 2021-10-19 |
| 13 | 202147037901-FORM 3 [07-01-2022(online)].pdf | 2022-01-07 |
| 13 | 202147037901-Proof of Right [24-08-2021(online)].pdf | 2021-08-24 |
| 14 | 202147037901-COMPLETE SPECIFICATION [20-08-2021(online)].pdf | 2021-08-20 |
| 14 | 202147037901-FER.pdf | 2022-03-16 |
| 15 | 202147037901-DECLARATION OF INVENTORSHIP (FORM 5) [20-08-2021(online)].pdf | 2021-08-20 |
| 15 | 202147037901-PA [25-04-2022(online)].pdf | 2022-04-25 |
| 16 | 202147037901-ASSIGNMENT DOCUMENTS [25-04-2022(online)].pdf | 2022-04-25 |
| 16 | 202147037901-DRAWINGS [20-08-2021(online)].pdf | 2021-08-20 |
| 17 | 202147037901-8(i)-Substitution-Change Of Applicant - Form 6 [25-04-2022(online)].pdf | 2022-04-25 |
| 17 | 202147037901-FORM 1 [20-08-2021(online)].pdf | 2021-08-20 |
| 18 | 202147037901-FORM 18 [20-08-2021(online)].pdf | 2021-08-20 |
| 18 | 202147037901-FORM 3 [31-05-2022(online)].pdf | 2022-05-31 |
| 19 | 202147037901-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105) [20-08-2021(online)].pdf | 2021-08-20 |
| 19 | 202147037901-OTHERS [23-06-2022(online)].pdf | 2022-06-23 |
| 20 | 202147037901-POWER OF AUTHORITY [20-08-2021(online)].pdf | 2021-08-20 |
| 20 | 202147037901-FER_SER_REPLY [23-06-2022(online)].pdf | 2022-06-23 |
| 21 | 202147037901-REQUEST FOR EXAMINATION (FORM-18) [20-08-2021(online)].pdf | 2021-08-20 |
| 21 | 202147037901-CLAIMS [23-06-2022(online)].pdf | 2022-06-23 |
| 22 | 202147037901-STATEMENT OF UNDERTAKING (FORM 3) [20-08-2021(online)].pdf | 2021-08-20 |
| 22 | 202147037901-PatentCertificate21-11-2023.pdf | 2023-11-21 |
| 23 | 202147037901-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [20-08-2021(online)].pdf | 2021-08-20 |
| 23 | 202147037901-IntimationOfGrant21-11-2023.pdf | 2023-11-21 |
Search Strategy
| 1 | SearchHistory202147037901E_15-03-2022.pdf |