CH709085A8 - Verfahren und Systeme zur Überwachung der Funktionstüchtigkeit von Laufschaufeln. - Google Patents
Verfahren und Systeme zur Überwachung der Funktionstüchtigkeit von Laufschaufeln. Download PDFInfo
- Publication number
- CH709085A8 CH709085A8 CH01963/14A CH19632014A CH709085A8 CH 709085 A8 CH709085 A8 CH 709085A8 CH 01963/14 A CH01963/14 A CH 01963/14A CH 19632014 A CH19632014 A CH 19632014A CH 709085 A8 CH709085 A8 CH 709085A8
- Authority
- CH
- Switzerland
- Prior art keywords
- rotor
- blade
- monitoring
- functioning
- blades
- Prior art date
Links
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
- F01D17/00—Regulating or controlling by varying flow
- F01D17/02—Arrangement of sensing elements
- F01D17/06—Arrangement of sensing elements responsive to speed
-
- 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
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/003—Arrangements for testing or measuring
-
- 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
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/14—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to other specific conditions
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/140,654 US20150184533A1 (en) | 2013-12-26 | 2013-12-26 | Methods and systems to monitor health of rotor blades |
Publications (2)
Publication Number | Publication Date |
---|---|
CH709085A2 CH709085A2 (de) | 2015-06-30 |
CH709085A8 true CH709085A8 (de) | 2015-08-28 |
Family
ID=53372178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH01963/14A CH709085A8 (de) | 2013-12-26 | 2014-12-17 | Verfahren und Systeme zur Überwachung der Funktionstüchtigkeit von Laufschaufeln. |
Country Status (5)
Country | Link |
---|---|
US (1) | US20150184533A1 (zh) |
JP (1) | JP2015125147A (zh) |
CN (1) | CN104748952A (zh) |
CH (1) | CH709085A8 (zh) |
DE (1) | DE102014118695A1 (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10609714B2 (en) * | 2017-07-12 | 2020-03-31 | Qualcomm Incorporated | Spatial listen before talk |
CN109974849B (zh) * | 2019-04-03 | 2020-05-05 | 上海交通大学 | 无参考信号下基于叶尖定时技术的叶片振动在线监测方法 |
CN113586177B (zh) * | 2021-08-10 | 2022-08-09 | 西安交通大学 | 基于单叶端定时传感器的叶片固有频率识别方法 |
CN114264366A (zh) * | 2021-12-22 | 2022-04-01 | 南水北调东线江苏水源有限责任公司 | 一种监测水泵机组泵壳多角度振动分量的方法 |
US11965424B2 (en) * | 2022-06-21 | 2024-04-23 | General Electric Company | Electronic overspeed protection system and method |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH068752B2 (ja) * | 1986-06-04 | 1994-02-02 | 株式会社日立製作所 | 翼の回転中の振動デ−タの分析処理方法 |
JPH0364630A (ja) * | 1989-07-31 | 1991-03-20 | Nissan Motor Co Ltd | ガスタービンエンジンにおけるタービンブレードの異常検出装置 |
US5206816A (en) * | 1991-01-30 | 1993-04-27 | Westinghouse Electric Corp. | System and method for monitoring synchronous blade vibration |
JP3663609B2 (ja) * | 1996-05-22 | 2005-06-22 | 石川島播磨重工業株式会社 | ガスタービンの動翼故障診断方法および装置 |
JP2002022616A (ja) * | 2000-07-13 | 2002-01-23 | Mitsubishi Heavy Ind Ltd | 亀裂診断方法及び亀裂診断装置 |
JP2003293793A (ja) * | 2002-04-05 | 2003-10-15 | Mitsubishi Heavy Ind Ltd | 燃焼振動予兆検知装置、ガスタービンシステム及び燃焼振動予兆検知方法 |
GB0525936D0 (en) * | 2005-12-21 | 2006-02-01 | Rolls Royce Plc | Methods of analysing apparatus |
US7449859B2 (en) * | 2007-02-20 | 2008-11-11 | Gm Global Technology Operations, Inc. | Reduction of subharmonic oscillation at high frequency operation of a power inverter |
FR2937079B1 (fr) * | 2008-10-10 | 2011-08-26 | Snecma | Procede et systeme de surveillance d'un turboreacteur |
US8543341B2 (en) * | 2010-06-29 | 2013-09-24 | General Electric Company | System and method for monitoring health of airfoils |
US8532939B2 (en) * | 2008-10-31 | 2013-09-10 | General Electric Company | System and method for monitoring health of airfoils |
DE102008057556A1 (de) * | 2008-11-15 | 2010-05-20 | Mtu Aero Engines Gmbh | Verfahren und Vorrichtung zur Risserkennung an Verdichterlaufschaufeln |
US8121813B2 (en) * | 2009-01-28 | 2012-02-21 | General Electric Company | System and method for clearance estimation between two objects |
CN101532911B (zh) * | 2009-04-24 | 2011-05-11 | 华北电力大学 | 大型汽轮发电机组转子裂纹故障实时诊断方法 |
EP2299248A1 (de) * | 2009-09-14 | 2011-03-23 | Siemens Aktiengesellschaft | Verfahren zur Ermittlung von Rissen in Turbinenschaufeln |
-
2013
- 2013-12-26 US US14/140,654 patent/US20150184533A1/en not_active Abandoned
-
2014
- 2014-12-16 DE DE102014118695.8A patent/DE102014118695A1/de not_active Withdrawn
- 2014-12-17 CH CH01963/14A patent/CH709085A8/de not_active Application Discontinuation
- 2014-12-24 JP JP2014259655A patent/JP2015125147A/ja active Pending
- 2014-12-24 CN CN201410815966.0A patent/CN104748952A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
JP2015125147A (ja) | 2015-07-06 |
CH709085A2 (de) | 2015-06-30 |
CN104748952A (zh) | 2015-07-01 |
US20150184533A1 (en) | 2015-07-02 |
DE102014118695A1 (de) | 2015-07-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PK | Correction |
Free format text: ERFINDER BERICHTIGT. |
|
PK | Correction |
Free format text: ERFINDER BERICHTIGT. |
|
NV | New agent |
Representative=s name: GENERAL ELECTRIC TECHNOLOGY GMBH GLOBAL PATENT, CH |
|
AZW | Rejection (application) |