JP2019173612A5 - - Google Patents
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- JP2019173612A5 JP2019173612A5 JP2018060930A JP2018060930A JP2019173612A5 JP 2019173612 A5 JP2019173612 A5 JP 2019173612A5 JP 2018060930 A JP2018060930 A JP 2018060930A JP 2018060930 A JP2018060930 A JP 2018060930A JP 2019173612 A5 JP2019173612 A5 JP 2019173612A5
- Authority
- JP
- Japan
- Prior art keywords
- contour
- shank
- pressure surface
- edge side
- trailing edge
- 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.)
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- 238000000034 method Methods 0.000 claims description 23
- 230000035882 stress Effects 0.000 description 11
- 239000000567 combustion gas Substances 0.000 description 10
- 239000007789 gas Substances 0.000 description 10
- 230000003247 decreasing effect Effects 0.000 description 8
- 230000014509 gene expression Effects 0.000 description 7
- 238000001816 cooling Methods 0.000 description 4
- 239000011162 core material Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 230000008646 thermal stress Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018060930A JP7064076B2 (ja) | 2018-03-27 | 2018-03-27 | タービン翼及びタービン並びにタービン翼の固有振動数のチューニング方法 |
| DE112019000895.1T DE112019000895B4 (de) | 2018-03-27 | 2019-03-22 | Turbinenschaufel, turbine und verfahren zum abstimmen der eigenfrequenz der turbinenschaufel |
| CN201980010834.1A CN111655972B (zh) | 2018-03-27 | 2019-03-22 | 涡轮叶片、涡轮及涡轮叶片的固有振动频率的调整方法 |
| PCT/JP2019/012080 WO2019188780A1 (ja) | 2018-03-27 | 2019-03-22 | タービン翼及びタービン並びにタービン翼の固有振動数のチューニング方法 |
| US16/978,082 US11578603B2 (en) | 2018-03-27 | 2019-03-22 | Turbine blade, turbine, and method of tuning natural frequency of turbine blade |
| KR1020207021990A KR102384441B1 (ko) | 2018-03-27 | 2019-03-22 | 터빈 날개, 터빈 및 터빈 날개의 고유 진동수의 튜닝 방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018060930A JP7064076B2 (ja) | 2018-03-27 | 2018-03-27 | タービン翼及びタービン並びにタービン翼の固有振動数のチューニング方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2019173612A JP2019173612A (ja) | 2019-10-10 |
| JP2019173612A5 true JP2019173612A5 (https=) | 2021-03-11 |
| JP7064076B2 JP7064076B2 (ja) | 2022-05-10 |
Family
ID=68059043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2018060930A Active JP7064076B2 (ja) | 2018-03-27 | 2018-03-27 | タービン翼及びタービン並びにタービン翼の固有振動数のチューニング方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11578603B2 (https=) |
| JP (1) | JP7064076B2 (https=) |
| KR (1) | KR102384441B1 (https=) |
| CN (1) | CN111655972B (https=) |
| DE (1) | DE112019000895B4 (https=) |
| WO (1) | WO2019188780A1 (https=) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7360971B2 (ja) * | 2020-02-19 | 2023-10-13 | 三菱重工業株式会社 | タービン翼及びタービン |
| US11377972B1 (en) | 2021-02-25 | 2022-07-05 | Doosan Heavy Industries & Construction Co., Ltd. | Airfoil profile |
| US11306594B1 (en) | 2021-02-25 | 2022-04-19 | Doosan Heavy Industries & Construction Co., Ltd. | Airfoil profile |
| US11293286B1 (en) | 2021-02-25 | 2022-04-05 | Doosan Heavy Industries & Construction Co., Ltd. | Airfoil profile |
| US11255195B1 (en) | 2021-02-25 | 2022-02-22 | Doosan Heavy Industries & Construction Co., Ltd. | Airfoil profile |
| US11454126B1 (en) | 2021-08-24 | 2022-09-27 | Doosan Heavy Industries & Construction Co., Ltd. | Blade root shank profile |
| US12601268B2 (en) | 2023-08-25 | 2026-04-14 | Rtx Corporation | CMC vane with detuned platform |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6397803A (ja) | 1986-10-13 | 1988-04-28 | Hitachi Ltd | タ−ビン翼の固定部構造 |
| US5435694A (en) * | 1993-11-19 | 1995-07-25 | General Electric Company | Stress relieving mount for an axial blade |
| JP2000248901A (ja) | 1999-02-26 | 2000-09-12 | Mitsubishi Heavy Ind Ltd | 中空ブレードおよびその固有振動数調整方法 |
| US6481972B2 (en) | 2000-12-22 | 2002-11-19 | General Electric Company | Turbine bucket natural frequency tuning rib |
| JP4781544B2 (ja) | 2001-02-26 | 2011-09-28 | 住友ゴム工業株式会社 | 農用車輪 |
| US6547645B2 (en) | 2001-08-27 | 2003-04-15 | General Electric Company | Method and backer inserts for blocking backwall water jet strikes |
| US6761536B1 (en) | 2003-01-31 | 2004-07-13 | Power Systems Mfg, Llc | Turbine blade platform trailing edge undercut |
| JP2005233141A (ja) | 2004-02-23 | 2005-09-02 | Mitsubishi Heavy Ind Ltd | 動翼およびその動翼を用いたガスタービン |
| US7252481B2 (en) | 2004-05-14 | 2007-08-07 | Pratt & Whitney Canada Corp. | Natural frequency tuning of gas turbine engine blades |
| US7549846B2 (en) | 2005-08-03 | 2009-06-23 | United Technologies Corporation | Turbine blades |
| US7467924B2 (en) * | 2005-08-16 | 2008-12-23 | United Technologies Corporation | Turbine blade including revised platform |
| US8007245B2 (en) * | 2007-11-29 | 2011-08-30 | General Electric Company | Shank shape for a turbine blade and turbine incorporating the same |
| US8435008B2 (en) | 2008-10-17 | 2013-05-07 | United Technologies Corporation | Turbine blade including mistake proof feature |
| KR101305575B1 (ko) * | 2010-01-20 | 2013-09-09 | 미츠비시 쥬고교 가부시키가이샤 | 터빈 동익 및 터보 기계 |
| US20120051930A1 (en) | 2010-08-31 | 2012-03-01 | General Electric Company | Shrouded turbine blade with contoured platform and axial dovetail |
| RU2553049C2 (ru) | 2011-07-01 | 2015-06-10 | Альстом Текнолоджи Лтд | Лопатка ротора турбины, ротор турбины и турбина |
| JP5881369B2 (ja) * | 2011-10-27 | 2016-03-09 | 三菱重工業株式会社 | タービン動翼及びこれを備えたガスタービン |
| US9151167B2 (en) * | 2012-02-10 | 2015-10-06 | General Electric Company | Turbine assembly |
| US9359905B2 (en) | 2012-02-27 | 2016-06-07 | Solar Turbines Incorporated | Turbine engine rotor blade groove |
| US9249669B2 (en) * | 2012-04-05 | 2016-02-02 | General Electric Company | CMC blade with pressurized internal cavity for erosion control |
| US9151165B2 (en) * | 2012-10-22 | 2015-10-06 | United Technologies Corporation | Reversible blade damper |
| US10677073B2 (en) * | 2017-01-03 | 2020-06-09 | Raytheon Technologies Corporation | Blade platform with damper restraint |
| GB201704832D0 (en) * | 2017-02-20 | 2017-05-10 | Rolls Royce Plc | Fan |
-
2018
- 2018-03-27 JP JP2018060930A patent/JP7064076B2/ja active Active
-
2019
- 2019-03-22 WO PCT/JP2019/012080 patent/WO2019188780A1/ja not_active Ceased
- 2019-03-22 US US16/978,082 patent/US11578603B2/en active Active
- 2019-03-22 CN CN201980010834.1A patent/CN111655972B/zh active Active
- 2019-03-22 DE DE112019000895.1T patent/DE112019000895B4/de active Active
- 2019-03-22 KR KR1020207021990A patent/KR102384441B1/ko active Active
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