IT1236893B - Processore per il rilevamento del tempo d'arrivo delle palette di turbina - Google Patents
Processore per il rilevamento del tempo d'arrivo delle palette di turbinaInfo
- Publication number
- IT1236893B IT1236893B IT02274289A IT2274289A IT1236893B IT 1236893 B IT1236893 B IT 1236893B IT 02274289 A IT02274289 A IT 02274289A IT 2274289 A IT2274289 A IT 2274289A IT 1236893 B IT1236893 B IT 1236893B
- Authority
- IT
- Italy
- Prior art keywords
- palette
- turbine
- processor
- detecting
- arrival time
- 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
-
- 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)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Control Of Turbines (AREA)
- Measuring Volume Flow (AREA)
- Feedback Control In General (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/288,592 US5015949A (en) | 1988-12-22 | 1988-12-22 | Steam turbine blade arrival time processor with automatic gain control |
Publications (3)
Publication Number | Publication Date |
---|---|
IT8922742A0 IT8922742A0 (it) | 1989-12-19 |
IT8922742A1 IT8922742A1 (it) | 1991-06-19 |
IT1236893B true IT1236893B (it) | 1993-04-26 |
Family
ID=23107784
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT02274289A IT1236893B (it) | 1988-12-22 | 1989-12-19 | Processore per il rilevamento del tempo d'arrivo delle palette di turbina |
Country Status (7)
Country | Link |
---|---|
US (1) | US5015949A (it) |
JP (1) | JPH02216018A (it) |
KR (1) | KR900010377A (it) |
CN (1) | CN1044855A (it) |
CA (1) | CA2006286A1 (it) |
ES (1) | ES2019770A6 (it) |
IT (1) | IT1236893B (it) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5148711A (en) * | 1990-11-01 | 1992-09-22 | Westinghouse Electric Corp. | Apparatus and method for removing common mode vibration data from digital turbine blade vibration data |
US5144233A (en) * | 1991-08-30 | 1992-09-01 | Delco Electronics Corporation | Crankshaft angular position voltage developing apparatus having adaptive control and diode control |
US5459398A (en) * | 1993-12-17 | 1995-10-17 | Delco Electronics Corporation | Adaptive threshold circuit |
US5510706A (en) * | 1994-02-22 | 1996-04-23 | Delco Electronics Corporation | Differential to single-ended conversion circuit for a magnetic wheel speed sensor |
US7170284B2 (en) * | 2002-02-13 | 2007-01-30 | Hood Technology Corporation | Blade detection sensor having an active cooling system |
US6927567B1 (en) * | 2002-02-13 | 2005-08-09 | Hood Technology Corporation | Passive eddy current blade detection sensor |
US20070068225A1 (en) | 2005-09-29 | 2007-03-29 | Brown Gregory C | Leak detector for process valve |
US9000777B2 (en) * | 2005-12-14 | 2015-04-07 | Hamilton Sunstrand | System to measure time of arrival and thickness of rotor blades via microwave energy |
US7913566B2 (en) * | 2006-05-23 | 2011-03-29 | Rosemount Inc. | Industrial process device utilizing magnetic induction |
GB0712926D0 (en) * | 2007-07-04 | 2007-08-15 | Qinetiq Ltd | Eddy current sensors |
US8898036B2 (en) | 2007-08-06 | 2014-11-25 | Rosemount Inc. | Process variable transmitter with acceleration sensor |
ATE521975T1 (de) * | 2008-02-27 | 2011-09-15 | Ansaldo Energia Spa | Verfahren und vorrichtung zur detektion der natürlichen frequenzen der schwingung eines turbinenblatts |
US8250924B2 (en) | 2008-04-22 | 2012-08-28 | Rosemount Inc. | Industrial process device utilizing piezoelectric transducer |
US7941281B2 (en) * | 2008-12-22 | 2011-05-10 | General Electric Company | System and method for rotor blade health monitoring |
US7800434B1 (en) * | 2009-04-07 | 2010-09-21 | Micrel, Inc. | Edge detect receiver circuit |
JP5293406B2 (ja) * | 2009-05-28 | 2013-09-18 | 株式会社Ihi | 回転翼の非接触翼振動計測方法 |
US8963735B2 (en) | 2011-11-30 | 2015-02-24 | Rosemount Inc. | Turbine meter pre-scaling terminal block electronics |
KR101440354B1 (ko) | 2012-04-16 | 2014-11-03 | 한국에너지기술연구원 | 고온가스의 체류시간이 연장되는 frdf 신속 고열분해 부유 연소식 파워 스팀 제네레이터 |
US9593941B2 (en) | 2014-09-24 | 2017-03-14 | Hood Technology Corporation | Clearance detection system and method using frequency identification |
CZ2017665A3 (cs) * | 2017-10-18 | 2019-01-02 | Ăšstav termomechaniky AV ÄŚR, v. v. i. | Způsob identifikace feromagnetických lopatek stroje za rotace |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3715659A (en) * | 1970-03-25 | 1973-02-06 | Reliance Electric Co | Inductive non-contact vibration analyzer which is independent of standoff distance |
US3908167A (en) * | 1974-06-05 | 1975-09-23 | Rca Corp | Exhaust-responsive engine speed and condition indicator |
US3944936A (en) * | 1974-08-07 | 1976-03-16 | Rca Corporation | Zero crossover detector |
US3995224A (en) * | 1975-04-30 | 1976-11-30 | Rca Corporation | Fast automatic gain control circuit with adjustable range |
US4037163A (en) * | 1976-03-08 | 1977-07-19 | General Electric Company | Automatic gain control circuit |
US4013967A (en) * | 1976-04-29 | 1977-03-22 | The United States Of America As Represented By The Secretary Of The Navy | Mid-pulse detector |
US4563643A (en) * | 1982-07-30 | 1986-01-07 | Westinghouse Electric Corp. | Eddy current proximity sensor for use in a hostile turbine environment |
US4518917A (en) * | 1982-08-31 | 1985-05-21 | Westinghouse Electric Corp. | Plural sensor apparatus for monitoring turbine blading with undesired component elimination |
US4609869A (en) * | 1983-04-13 | 1986-09-02 | Electro Corporation | Magnetic sensor and circuit for detecting the edge of a target as it passes the centerline of the sensor |
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 |
US4922757A (en) * | 1988-06-13 | 1990-05-08 | Westinghouse Electric Corp. | Apparatus for precise detection of blade passing times in a steam turbine |
-
1988
- 1988-12-22 US US07/288,592 patent/US5015949A/en not_active Expired - Fee Related
-
1989
- 1989-12-18 KR KR1019890018810A patent/KR900010377A/ko active IP Right Grant
- 1989-12-19 IT IT02274289A patent/IT1236893B/it active IP Right Grant
- 1989-12-21 CA CA002006286A patent/CA2006286A1/en not_active Abandoned
- 1989-12-21 JP JP1332513A patent/JPH02216018A/ja active Pending
- 1989-12-21 ES ES8904317A patent/ES2019770A6/es not_active Expired - Fee Related
- 1989-12-22 CN CN89109450A patent/CN1044855A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
CN1044855A (zh) | 1990-08-22 |
IT8922742A0 (it) | 1989-12-19 |
ES2019770A6 (es) | 1991-07-01 |
KR900010377A (ko) | 1990-07-07 |
CA2006286A1 (en) | 1990-06-22 |
US5015949A (en) | 1991-05-14 |
IT8922742A1 (it) | 1991-06-19 |
JPH02216018A (ja) | 1990-08-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT1236893B (it) | Processore per il rilevamento del tempo d'arrivo delle palette di turbina | |
DK124789A (da) | Badepraeparat | |
IT1232809B (it) | Apparecchiatura per la rivelazione precisa di tempi di passaggio di palette di turbina. | |
DK368889A (da) | Dispenser | |
ATA36088A (de) | Regalfoerderzeug | |
DK598789D0 (da) | Dispenser | |
DK158109C (da) | Omstillelig ejektor | |
DK10190A (da) | 1,1-dioxo-cephem-4-carbothiolsyrederivater | |
ATA311588A (de) | Regalanlage | |
ATA311688A (de) | Regalanlage | |
DK496488D0 (da) | Murbinder | |
NO890063D0 (no) | Tastatur | |
IT8920747A0 (it) | Procedimento per la preparazione di metil 3 amminocrotonato. | |
IT8904859A0 (it) | Dispositivo per misurare la posizione di un pezzo da lavorare | |
ATA98288A (de) | Sprudelbadbecken | |
KR910002233U (ko) | 욕실용 다용도 지지대 | |
IT8846104A0 (it) | Procedimento per la costruzione di meccanismi premontati a coppie di montanti per la movimentazione simultanea di lamelle frangisole orientabili | |
IT1192040B (it) | Metodo per il rilevamento della posizione di articoli in movimento lungo una linea | |
NO162689C (no) | Polar-mount festestativ for parabolantenner. | |
KR900012510U (ko) | 피아노용 전기 스탠드 | |
KR900000245U (ko) | 이동식 간이 목욕탕 | |
KR900000945U (ko) | 수평 운동자 | |
KR910006024U (ko) | 다용도 스텐드 | |
BR6802828U (pt) | Bancada | |
IT215915Z2 (it) | Macchina perfezionata per la dosatura delle chiavi |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |