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 turbina

Info

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
Application number
IT02274289A
Other languages
English (en)
Other versions
IT8922742A0 (it
IT8922742A1 (it
Original Assignee
Westinghouse Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of IT8922742A0 publication Critical patent/IT8922742A0/it
Publication of IT8922742A1 publication Critical patent/IT8922742A1/it
Application granted granted Critical
Publication of IT1236893B publication Critical patent/IT1236893B/it

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)
IT02274289A 1988-12-22 1989-12-19 Processore per il rilevamento del tempo d'arrivo delle palette di turbina IT1236893B (it)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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

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Legal Events

Date Code Title Description
0001 Granted