ITMI912768A1 - Apparecchiatura e metodo per eliminare dati relativi a vibrazioni di modo comune da dati digitali relativi alle vibrazioni delle palette di turbina - Google Patents
Apparecchiatura e metodo per eliminare dati relativi a vibrazioni di modo comune da dati digitali relativi alle vibrazioni delle palette di turbinaInfo
- Publication number
- ITMI912768A1 ITMI912768A1 IT002768A ITMI912768A ITMI912768A1 IT MI912768 A1 ITMI912768 A1 IT MI912768A1 IT 002768 A IT002768 A IT 002768A IT MI912768 A ITMI912768 A IT MI912768A IT MI912768 A1 ITMI912768 A1 IT MI912768A1
- Authority
- IT
- Italy
- Prior art keywords
- vibrations
- data relating
- common mode
- turbine blades
- digital data
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
- G01H1/003—Measuring characteristics of vibrations in solids by using direct conduction to the detector of rotating machines
- G01H1/006—Measuring characteristics of vibrations in solids by using direct conduction to the detector of rotating machines of the rotor of turbo machines
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Turbines (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/607,934 US5148711A (en) | 1990-11-01 | 1990-11-01 | Apparatus and method for removing common mode vibration data from digital turbine blade vibration data |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI912768A0 ITMI912768A0 (it) | 1991-10-18 |
ITMI912768A1 true ITMI912768A1 (it) | 1993-04-18 |
IT1251959B IT1251959B (it) | 1995-05-27 |
Family
ID=24434312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITMI912768A IT1251959B (it) | 1990-11-01 | 1991-10-18 | Apparecchiatura e metodo per eliminare dati relativi a vibrazioni di modo comune da dati digitali relativi alle vibrazioni delle palette diturbina |
Country Status (6)
Country | Link |
---|---|
US (1) | US5148711A (it) |
JP (1) | JP3095270B2 (it) |
KR (1) | KR100195652B1 (it) |
CA (1) | CA2054598C (it) |
ES (1) | ES2038918B1 (it) |
IT (1) | IT1251959B (it) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5471880A (en) * | 1994-04-28 | 1995-12-05 | Electric Power Research Institute | Method and apparatus for isolating and identifying periodic Doppler signals in a turbine |
US5761956A (en) * | 1995-10-17 | 1998-06-09 | Westinghouse Electric Corporation | Passive combustion turbine blade vibration monitor sensor |
GB9618096D0 (en) * | 1996-08-29 | 1996-10-09 | Rolls Royce Plc | Identification of resonant frequencies of vibration of rotating blades |
US6094989A (en) * | 1998-08-21 | 2000-08-01 | Siemens Westinghouse Power Corporation | Method and apparatus for analyzing non-synchronous blade vibrations using unevenly spaced probes |
US6346807B1 (en) * | 1999-10-22 | 2002-02-12 | Bently Nevada Corporation | Digital eddy current proximity system: apparatus and method |
JP3530474B2 (ja) | 2000-09-22 | 2004-05-24 | 三菱重工業株式会社 | 翼振動計測方法及びこれを用いた翼振動監視システム |
FR2840358B1 (fr) * | 2002-05-28 | 2006-09-15 | Snecma Moteurs | Procede et systeme de detection d'endommagement de rotor d'un moteur d'aeronef |
KR100505929B1 (ko) * | 2003-03-31 | 2005-08-04 | 삼성광주전자 주식회사 | 압축기 및 압축기의 배관연결방법 |
US7348683B2 (en) * | 2005-11-17 | 2008-03-25 | General Electric Company | Rotor for a wind energy turbine |
US7824147B2 (en) * | 2006-05-16 | 2010-11-02 | United Technologies Corporation | Airfoil prognosis for turbine engines |
DE102006060650A1 (de) * | 2006-12-21 | 2008-06-26 | Mtu Aero Engines Gmbh | Vorrichtung und Verfahren zur berührungslosen Schaufelschwingungsmessung |
US7861592B2 (en) * | 2007-02-27 | 2011-01-04 | Siemens Energy, Inc. | Blade shroud vibration monitor |
US7987725B2 (en) * | 2007-09-21 | 2011-08-02 | Siemens Energy, Inc. | Method of matching sensors in a multi-probe turbine blade vibration monitor |
US7866213B2 (en) * | 2008-06-18 | 2011-01-11 | Siemens Energy, Inc. | Method of analyzing non-synchronous vibrations using a dispersed array multi-probe machine |
GB0811073D0 (en) * | 2008-06-18 | 2008-07-23 | Rolls Royce Plc | Timing analysis |
GB0822859D0 (en) * | 2008-12-16 | 2009-01-21 | Rolls Royce Plc | Timing analysis |
US9045999B2 (en) | 2010-05-28 | 2015-06-02 | General Electric Company | Blade monitoring system |
US9512736B2 (en) | 2012-05-14 | 2016-12-06 | United Technologies Corporation | Monitoring one or more turbine engine rotor blades by correlating measurement data and reference data as a function of time |
US20150081229A1 (en) * | 2013-09-16 | 2015-03-19 | General Electric Company | Compressor blade monitoring system |
EP3071940B1 (en) | 2013-11-18 | 2019-01-30 | United Technologies Corporation | Monitoring a dynamic parameter such as torque in a rotational system |
JP6455702B2 (ja) * | 2014-08-22 | 2019-01-23 | 株式会社Ihi | 回転体の振動計測方法と装置 |
US11193388B2 (en) * | 2018-11-27 | 2021-12-07 | General Electric Company | Methods and systems for monitoring rotor blades in turbine engines |
CN113340244B (zh) * | 2021-03-04 | 2023-06-13 | 北京化工大学 | 一种非接触式透平机械叶片振动位移监测方法及装置 |
KR102522543B1 (ko) * | 2021-03-09 | 2023-04-14 | 두산에너빌리티 주식회사 | 블레이드 자동 진단장치 및 진단방법 |
CN113530617B (zh) * | 2021-05-18 | 2022-06-21 | 西安交通大学 | 基于叶端定时传感器提取叶片间固有频率差值方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4049644A (en) * | 1976-06-23 | 1977-09-20 | Wennerstrom Arthur J | Device for measuring tip deflection of rotating blades |
GB8318509D0 (en) * | 1983-07-08 | 1983-08-10 | Rolls Royce | Vibration monitoring in rotary blade machines |
US4573358A (en) * | 1984-10-22 | 1986-03-04 | Westinghouse Electric Corp. | Turbine blade vibration detection apparatus |
US4790189A (en) * | 1987-03-02 | 1988-12-13 | Westinghouse Electric Corp. | Method for eliminating sensor drift in a vibration monitoring system |
US4887468A (en) * | 1988-06-03 | 1989-12-19 | Westinghouse Electic Corp. | Nonsynchronous turbine blade vibration monitoring system |
US4922757A (en) * | 1988-06-13 | 1990-05-08 | Westinghouse Electric Corp. | Apparatus for precise detection of blade passing times in a steam turbine |
US5015949A (en) * | 1988-12-22 | 1991-05-14 | Westinghouse Electric Corp. | Steam turbine blade arrival time processor with automatic gain control |
US4996880A (en) * | 1989-03-23 | 1991-03-05 | Electric Power Research Institute, Inc. | Operating turbine resonant blade monitor |
-
1990
- 1990-11-01 US US07/607,934 patent/US5148711A/en not_active Expired - Lifetime
-
1991
- 1991-10-18 IT ITMI912768A patent/IT1251959B/it active IP Right Grant
- 1991-10-29 JP JP03309745A patent/JP3095270B2/ja not_active Expired - Lifetime
- 1991-10-30 ES ES09102400A patent/ES2038918B1/es not_active Expired - Lifetime
- 1991-10-31 CA CA002054598A patent/CA2054598C/en not_active Expired - Lifetime
- 1991-10-31 KR KR1019910019231A patent/KR100195652B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US5148711A (en) | 1992-09-22 |
ES2038918A2 (es) | 1993-08-01 |
ES2038918B1 (es) | 1995-01-16 |
CA2054598A1 (en) | 1992-05-02 |
KR920010271A (ko) | 1992-06-26 |
ITMI912768A0 (it) | 1991-10-18 |
JP3095270B2 (ja) | 2000-10-03 |
JPH04362206A (ja) | 1992-12-15 |
KR100195652B1 (ko) | 1999-06-15 |
ES2038918R (it) | 1994-07-01 |
IT1251959B (it) | 1995-05-27 |
CA2054598C (en) | 2002-10-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ITMI912768A1 (it) | Apparecchiatura e metodo per eliminare dati relativi a vibrazioni di modo comune da dati digitali relativi alle vibrazioni delle palette di turbina | |
DE69133539D1 (de) | Optisches Aufzeichnungsverfahren und Aufzeichnungsgerät | |
DE69403027D1 (de) | Rotierender Turbinenrahmen | |
EP0461915A3 (en) | Method and apparatus for performing a seek | |
DE69210077D1 (de) | Gekühlter Deckbandträger für eine Turbine | |
GB2270348B (en) | Axial-flow turbine | |
BR9105945A (pt) | Metodo e aparelhagem para animacao de bonecos | |
DE69128855T2 (de) | Akustische Oberflächenwellenanordnung und Verfahren zu ihrer Herstellung | |
DK0884833T3 (da) | Vindturbine med variabel hastighed | |
GB9101639D0 (en) | Turbine shroud assembly | |
DE69133351D1 (de) | Aufbau und Verfahren zum Zusammenbau eines Airbagmoduls. | |
DE69114051D1 (de) | Verbesserungen an Ummantelungen von Turbinenrotoren. | |
ITMI912605A0 (it) | Apparecchiatura e metodo per sopportare un segmento di paletta in una gas | |
DE69034121D1 (de) | Aufzeichnungsvorrichtung und -verfahren | |
MX9102145A (es) | Composiciones epoxi avanzadas, composiciones curables y productos curados. | |
ITMI911512A0 (it) | Complesso di rotore e di palette per turbomacchina | |
SG44439A1 (en) | Bit-serial division method and apparatus | |
IT1175662B (it) | Metodo ed apparato per la conversione di dati digitali | |
IT1228547B (it) | Apparecchio e metodo per controllare i limiti di sfiancamento di motori a turbina | |
IT8941615A0 (it) | Procedimento e apparecchiatura per equilibrare un rotore di turbina. | |
FR2669751B1 (fr) | Generateur d'impulsions numeriques et procedes associes. | |
DE69331631T2 (de) | Verfahren zur herstellung eines hochtemperatur-supraleiters | |
DE3924222A1 (de) | Verfahren zur herstellung eines methylpolysilans | |
EP0492381A3 (en) | Method of measuring clearance of turbine blades | |
MX9100472A (es) | Composiciones epoxi avanzadas,composiciones curables y productos curados |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19971031 |