JP7325213B2 - 静翼ユニットおよび圧縮機並びにガスタービン - Google Patents
静翼ユニットおよび圧縮機並びにガスタービン Download PDFInfo
- Publication number
- JP7325213B2 JP7325213B2 JP2019075188A JP2019075188A JP7325213B2 JP 7325213 B2 JP7325213 B2 JP 7325213B2 JP 2019075188 A JP2019075188 A JP 2019075188A JP 2019075188 A JP2019075188 A JP 2019075188A JP 7325213 B2 JP7325213 B2 JP 7325213B2
- Authority
- JP
- Japan
- Prior art keywords
- fluid flow
- blade
- stationary
- flow path
- stator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
- F04D29/542—Bladed diffusers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
- F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
- F02C3/06—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor the compressor comprising only axial stages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/16—Sealings between pressure and suction sides
- F04D29/161—Sealings between pressure and suction sides especially adapted for elastic fluid pumps
- F04D29/164—Sealings between pressure and suction sides especially adapted for elastic fluid pumps of an axial flow wheel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
- F04D29/324—Blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/32—Application in turbines in gas turbines
- F05D2220/321—Application in turbines in gas turbines for a special turbine stage
- F05D2220/3216—Application in turbines in gas turbines for a special turbine stage for a special compressor stage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/10—Stators
- F05D2240/12—Fluid guiding means, e.g. vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/20—Rotors
- F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/35—Combustors or associated equipment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/55—Seals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/80—Platforms for stationary or moving blades
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
0.05≦D/P≦0.2
0.06≦D/P≦0.18
0.3≦D/T≦1.2
なお、開口部距離Dと静翼最大厚さTとの比D/Tを絞り込んで、下記の範囲に設定することが好ましい。
0.4≦D/T≦1.1
0.2≦D2/D≦1.0
2D≦E≦250D
なお、コード長E方向と軸方向Aのなす角θは、10度≦θ≦80度である。
11 圧縮機
12 燃焼器
13 タービン
14 ロータ(回転軸)
15 発電機
21 ケーシング
21a 内周面
22 静翼ユニット
23 動翼ユニット
31 静翼
31a 前縁(縁部)
31b 後縁
32 シュラウド(連結部材)
33 動翼
34 ディスク
35 主流ガス流路
36 プラットフォーム
37 キャビティ(漏れ流体流路)
38 第1漏れ空気流路(漏れ流体流路)
39 第2漏れ空気流路(漏れ流体流路)
40 ラビリンスシール(シール装置)
D 開口部距離
P 静翼ピッチ
T 静翼最大厚さ
E コード長
H 高圧空間
L 低圧空間
A 軸方向
A1 空気の流れ方向
C 周方向
R 径方向
L1 空気取り込みライン
L2 圧縮空気供給ライン
L3 燃料ガス供給ライン
L4 燃焼ガス供給ライン
L5 排ガスライン
Claims (8)
- 周方向に所定間隔を空けて配置される複数の静翼と、
前記複数の静翼の内端部側に連結される円環形状をなす連結部材と、
前記連結部材の中心側に設けられて前記複数の静翼における流体の流れ方向の下流側の高圧空間と前記複数の静翼における流体の流れ方向の上流側の低圧空間とを連通する漏れ流体流路と、
を備える静翼ユニットにおいて、
前記漏れ流体流路における前記低圧空間側の開口部と前記静翼における流体の流れ方向の上流側の縁部との軸方向における距離をD、前記複数の静翼における周方向のピッチをPとするとき、0.05≦D/P≦0.2とし、
前記連結部材における前記静翼が連結される面と、前記静翼の上流側及び下流側に位置する第1動翼のプラットフォーム表面及び第2動翼のプラットフォーム表面とが同じ面上にあり、
前記静翼の前縁と前記連結部材の外面との間に湾曲部が設けられると共に、前記連結部材の外面と前記漏れ流体流路の端面との間に湾曲部が設けられる、
ことを特徴とする静翼ユニット。 - 0.06≦D/P≦0.18とすることを特徴とする請求項1に記載の静翼ユニット。
- 周方向に所定間隔を空けて配置される複数の静翼と、
前記複数の静翼の内端部側に連結される円環形状をなす連結部材と、
前記連結部材の中心側に設けられて前記複数の静翼における流体の流れ方向の下流側の高圧空間と前記複数の静翼における流体の流れ方向の上流側の低圧空間とを連通する漏れ流体流路と、
を備える静翼ユニットにおいて、
前記漏れ流体流路における前記低圧空間側の開口部と前記静翼における流体の流れ方向の上流側の縁部との軸方向における距離をD、前記静翼における最大厚さをTとするとき、0.3≦D/T≦1.2とし、
前記連結部材の前記静翼が連結される面と、前記静翼の上流側及び下流側に位置する第1動翼のプラットフォーム表面及び第2動翼のプラットフォーム表面とが同じ面上にあり、
前記静翼の前縁と前記連結部材の外面との間に湾曲部が設けられると共に、前記連結部材の外面と前記漏れ流体流路の端面との間に湾曲部が設けられる、
ことを特徴とする静翼ユニット。 - 0.4≦D/T≦1.1とすることを特徴とする請求項3に記載の静翼ユニット。
- ケーシングと、
前記ケーシングの内部に回転自在に支持される回転軸と、
前記ケーシングの内周面に前記回転軸の軸方向に所定間隔を空けて固定される複数の請求項1から請求項4のいずれか一項に記載の静翼ユニットと、
前記回転軸の外周部に周方向に所定間隔を空けて固定される複数の動翼を有して前記回転軸の外周部に軸方向に所定間隔を空けて固定される複数の動翼ユニットと、
を備えることを特徴とする圧縮機。 - 請求項5に記載の圧縮機と、
前記圧縮機が圧縮した圧縮空気と燃料を混合して燃焼する燃焼器と、
前記燃焼器が生成した燃焼ガスにより回転動力を得るタービンと、
を備えることを特徴とするガスタービン。 - 定格回転数が2500rpm~4000rpmの範囲に設定されることを特徴とする請求項6に記載のガスタービン。
- 定格回転数領域での前記静翼の間の領域の軸方向流体速度が50m/s~200m/sの範囲に設定されることを特徴とする請求項6に記載のガスタービン。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019075188A JP7325213B2 (ja) | 2019-04-10 | 2019-04-10 | 静翼ユニットおよび圧縮機並びにガスタービン |
US16/787,405 US11499441B2 (en) | 2019-04-10 | 2020-02-11 | Compressor stator vane unit, compressor, and gas turbine |
CN202010100637.3A CN111810453A (zh) | 2019-04-10 | 2020-02-18 | 静叶片单元、压缩机及燃气轮机 |
DE102020107825.0A DE102020107825A1 (de) | 2019-04-10 | 2020-03-20 | Verdichter-leitschaufeleinheit, verdichter und gasturbine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019075188A JP7325213B2 (ja) | 2019-04-10 | 2019-04-10 | 静翼ユニットおよび圧縮機並びにガスタービン |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2020172895A JP2020172895A (ja) | 2020-10-22 |
JP2020172895A5 JP2020172895A5 (ja) | 2022-04-14 |
JP7325213B2 true JP7325213B2 (ja) | 2023-08-14 |
Family
ID=72613713
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019075188A Active JP7325213B2 (ja) | 2019-04-10 | 2019-04-10 | 静翼ユニットおよび圧縮機並びにガスタービン |
Country Status (4)
Country | Link |
---|---|
US (1) | US11499441B2 (ja) |
JP (1) | JP7325213B2 (ja) |
CN (1) | CN111810453A (ja) |
DE (1) | DE102020107825A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112664273B (zh) * | 2020-12-28 | 2023-05-02 | 重庆江增船舶重工有限公司 | 一种有机工质膨胀机转子 |
DE102022113750A1 (de) * | 2022-05-31 | 2023-11-30 | MTU Aero Engines AG | Ringraumkonturierung |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003083003A (ja) | 2001-09-13 | 2003-03-19 | Mitsubishi Heavy Ind Ltd | ガスタービン及びガスタービン複合発電プラントの運転方法 |
JP2006233787A (ja) | 2005-02-23 | 2006-09-07 | Mitsubishi Heavy Ind Ltd | 軸流圧縮機の段落構造及びこれを使用したガスタービン |
US20080310961A1 (en) | 2007-06-14 | 2008-12-18 | Volker Guemmer | Blade shroud with protrusion |
JP2016040463A (ja) | 2014-08-13 | 2016-03-24 | 株式会社Ihi | 軸流式ターボ機械 |
US20160160670A1 (en) | 2014-12-08 | 2016-06-09 | United Technologies Corporation | Vane assembly of a gas turbine engine |
JP2017172374A (ja) | 2016-03-22 | 2017-09-28 | 三菱日立パワーシステムズ株式会社 | 軸流圧縮機及び軸流圧縮機を備えたガスタービン |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52142472A (en) | 1976-05-22 | 1977-11-28 | Japan Radio Co Ltd | Current heated volatile getter |
US7195454B2 (en) * | 2004-12-02 | 2007-03-27 | General Electric Company | Bullnose step turbine nozzle |
US7428818B2 (en) * | 2005-09-13 | 2008-09-30 | Gas Turbine Efficiency Ab | System and method for augmenting power output from a gas turbine engine |
DE102008014957A1 (de) * | 2008-03-19 | 2009-09-24 | Rolls-Royce Deutschland Ltd & Co Kg | Gasturbinenverdichter mit Zapfluftentnahme |
US8616838B2 (en) | 2009-12-31 | 2013-12-31 | General Electric Company | Systems and apparatus relating to compressor operation in turbine engines |
JP5680396B2 (ja) * | 2010-12-13 | 2015-03-04 | 三菱重工業株式会社 | 遠心圧縮機の羽根車 |
US10508549B2 (en) * | 2014-06-06 | 2019-12-17 | United Technologies Corporation | Gas turbine engine airfoil with large thickness properties |
EP2977590B1 (en) * | 2014-07-25 | 2018-01-31 | Ansaldo Energia Switzerland AG | Compressor assembly for gas turbine |
JP6971564B2 (ja) | 2015-12-18 | 2021-11-24 | ゼネラル・エレクトリック・カンパニイ | ターボ機械およびそのためのタービンノズル |
IT201700008681A1 (it) * | 2017-01-26 | 2018-07-26 | Nuovo Pignone Tecnologie Srl | Sistema di turbina a gas |
-
2019
- 2019-04-10 JP JP2019075188A patent/JP7325213B2/ja active Active
-
2020
- 2020-02-11 US US16/787,405 patent/US11499441B2/en active Active
- 2020-02-18 CN CN202010100637.3A patent/CN111810453A/zh active Pending
- 2020-03-20 DE DE102020107825.0A patent/DE102020107825A1/de active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003083003A (ja) | 2001-09-13 | 2003-03-19 | Mitsubishi Heavy Ind Ltd | ガスタービン及びガスタービン複合発電プラントの運転方法 |
JP2006233787A (ja) | 2005-02-23 | 2006-09-07 | Mitsubishi Heavy Ind Ltd | 軸流圧縮機の段落構造及びこれを使用したガスタービン |
US20080310961A1 (en) | 2007-06-14 | 2008-12-18 | Volker Guemmer | Blade shroud with protrusion |
JP2016040463A (ja) | 2014-08-13 | 2016-03-24 | 株式会社Ihi | 軸流式ターボ機械 |
US20160160670A1 (en) | 2014-12-08 | 2016-06-09 | United Technologies Corporation | Vane assembly of a gas turbine engine |
JP2017172374A (ja) | 2016-03-22 | 2017-09-28 | 三菱日立パワーシステムズ株式会社 | 軸流圧縮機及び軸流圧縮機を備えたガスタービン |
Also Published As
Publication number | Publication date |
---|---|
JP2020172895A (ja) | 2020-10-22 |
DE102020107825A1 (de) | 2020-10-15 |
US11499441B2 (en) | 2022-11-15 |
US20200325787A1 (en) | 2020-10-15 |
CN111810453A (zh) | 2020-10-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107435561B (zh) | 用于冷却涡轮叶片的尖端叶冠的密封导轨的*** | |
US9260979B2 (en) | Outer rim seal assembly in a turbine engine | |
JP6134538B2 (ja) | 回転機械で使用するためのシール組立体および回転機械を組み立てる方法 | |
KR19990045144A (ko) | 고압 회전자용 브러시 시일 | |
JP5651459B2 (ja) | タービンエンジンにおける圧縮機の動作に関するシステム及び装置 | |
EP2264283A2 (en) | A cooled component for a gas turbine engine | |
US8561997B2 (en) | Adverse pressure gradient seal mechanism | |
US11333041B2 (en) | Turbine nozzle having an angled inner band flange | |
JP7325213B2 (ja) | 静翼ユニットおよび圧縮機並びにガスタービン | |
KR20200045817A (ko) | 링 세그먼트 및 이를 포함하는 가스 터빈 | |
KR101838837B1 (ko) | 슈라우드, 운동날개체 및 회전기계 | |
WO2019131011A1 (ja) | 航空機用ガスタービン及び航空機用ガスタービンの動翼 | |
KR102509379B1 (ko) | 회전 기계 및 시일 부재 | |
JP2020172895A5 (ja) | ||
JP6782671B2 (ja) | ターボ機械 | |
US20180156236A1 (en) | Gas turbine engine bleed configuration | |
JP2020090953A (ja) | 軸流式ターボ機械及びその翼 | |
KR102525225B1 (ko) | 터보머신 | |
WO2022201932A1 (ja) | タービン、及びガスタービン | |
CA3171170A1 (en) | Stator with depressions in gaspath wall adjacent trailing edges | |
JPH11229813A (ja) | ガスタービンのシール部構造 | |
CA3170969A1 (en) | Stator with depressions in gaspath wall adjacent leading edges | |
JP5863466B2 (ja) | 回転機械 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20220406 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20220406 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20230123 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20230207 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230406 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20230704 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20230801 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7325213 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |