IT8941631A0 - Apparecchiatura per la rivelazione precisa di tempi di passaggio di palette di turbina. - Google Patents

Apparecchiatura per la rivelazione precisa di tempi di passaggio di palette di turbina.

Info

Publication number
IT8941631A0
IT8941631A0 IT8941631A IT4163189A IT8941631A0 IT 8941631 A0 IT8941631 A0 IT 8941631A0 IT 8941631 A IT8941631 A IT 8941631A IT 4163189 A IT4163189 A IT 4163189A IT 8941631 A0 IT8941631 A0 IT 8941631A0
Authority
IT
Italy
Prior art keywords
equipment
turbine blade
precise detection
blade passage
passage times
Prior art date
Application number
IT8941631A
Other languages
English (en)
Other versions
IT1232809B (it
Inventor
Paul Francis Rozelle
Charles William Einolf
Jr Karl Christian Koch
Robert Moore Oates
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22763579&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IT8941631(A0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of IT8941631A0 publication Critical patent/IT8941631A0/it
Application granted granted Critical
Publication of IT1232809B publication Critical patent/IT1232809B/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
    • G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
    • 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
    • F01D21/04—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator or to breaking-off of a part of the rotor, e.g. indicating such position
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Control Of Turbines (AREA)
IT8941631A 1988-06-13 1989-06-12 Apparecchiatura per la rivelazione precisa di tempi di passaggio di palette di turbina. IT1232809B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/205,770 US4922757A (en) 1988-06-13 1988-06-13 Apparatus for precise detection of blade passing times in a steam turbine

Publications (2)

Publication Number Publication Date
IT8941631A0 true IT8941631A0 (it) 1989-06-12
IT1232809B IT1232809B (it) 1992-03-05

Family

ID=22763579

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8941631A IT1232809B (it) 1988-06-13 1989-06-12 Apparecchiatura per la rivelazione precisa di tempi di passaggio di palette di turbina.

Country Status (6)

Country Link
US (1) US4922757A (it)
JP (1) JPH02103423A (it)
KR (1) KR900000690A (it)
CN (1) CN1018862B (it)
ES (1) ES2015155A6 (it)
IT (1) IT1232809B (it)

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IT1223867B (it) * 1988-10-25 1990-09-29 Marelli Autronica Circuito per il trattamento del segnale generato da un sensore elettromagnetico di rotazione del tipo a riluttanza variabile
US5015949A (en) * 1988-12-22 1991-05-14 Westinghouse Electric Corp. Steam turbine blade arrival time processor with automatic gain control
US5153513A (en) * 1990-05-25 1992-10-06 Zexel Corporation Apparatus for processing output signal of sensor with magnetic rotary member
US5121061A (en) * 1990-08-16 1992-06-09 Milton Roy Company Phase correction for streaming current signal
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
US5507089A (en) * 1992-05-22 1996-04-16 Component Sales & Consultants, Inc. Method of assembly of a variable reluctance sensor
US5278496A (en) * 1992-05-22 1994-01-11 Component Sales & Consultants, Inc. High output and environmentally impervious variable reluctance sensor
US5352090A (en) * 1992-08-07 1994-10-04 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration System for determining aerodynamic imbalance
US5723980A (en) * 1995-06-07 1998-03-03 Aerogage Corporation Clearance measurement system
US5761956A (en) * 1995-10-17 1998-06-09 Westinghouse Electric Corporation Passive combustion turbine blade vibration monitor sensor
US5865599A (en) * 1997-03-11 1999-02-02 United Technologies Corporation System and process for direct blade angle measurement in propulsion systems
SE510060C2 (sv) * 1997-08-29 1999-04-12 Kvaerner Turbin Ab Metod och anordning för detektering av glapp i lagringar och manövermekanismer hos ett löphjul eller rotor med vridbara skovlar
GB2344177A (en) * 1998-10-19 2000-05-31 Rotadata Ltd Detecting vibration of turbine blades
US7023205B1 (en) * 2000-08-01 2006-04-04 General Dynamics Advanced Information Systems, Inc. Eddy current sensor capable of sensing through a conductive barrier
US6692222B2 (en) 2002-05-14 2004-02-17 The Board Of Trustees Of The Leland Stanford Junior University Micro gas turbine engine with active tip clearance control
US20050122095A1 (en) * 2003-12-05 2005-06-09 Dooley Kevin A. Rotation sensor and method
US9000777B2 (en) * 2005-12-14 2015-04-07 Hamilton Sunstrand System to measure time of arrival and thickness of rotor blades via microwave energy
US7824147B2 (en) * 2006-05-16 2010-11-02 United Technologies Corporation Airfoil prognosis for turbine engines
US7326917B2 (en) * 2006-06-22 2008-02-05 Siemens Power Generation, Inc. Wear monitor for turbo-machine
US7827803B1 (en) * 2006-09-27 2010-11-09 General Electric Company Method and apparatus for an aerodynamic stability management system
US8018225B2 (en) * 2008-11-25 2011-09-13 General Electric Company System and method for sensing the periodic position of an object
US7941281B2 (en) * 2008-12-22 2011-05-10 General Electric Company System and method for rotor blade health monitoring
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
EP2339173B1 (en) * 2009-12-22 2015-04-01 Siemens Aktiengesellschaft Blade deflection measurement with magnetostrictive sensor
US8478547B2 (en) * 2010-08-09 2013-07-02 General Electric Company Blade monitoring system
CN102890454A (zh) * 2011-07-22 2013-01-23 延锋伟世通汽车电子有限公司 一种控制产品加工时间的装置
CN117270061B (zh) * 2023-11-17 2024-01-30 江苏多维科技有限公司 一种铁磁材料检测方法及检测设备

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3222454A (en) * 1962-06-18 1965-12-07 Hughes Aircraft Co Digital comparison circuits
US3505537A (en) * 1967-03-09 1970-04-07 Rca Corp Signal envelope discriminator and gating circuit
US3932813A (en) * 1972-04-20 1976-01-13 Simmonds Precision Products, Inc. Eddy current sensor
US3944936A (en) * 1974-08-07 1976-03-16 Rca Corporation Zero crossover detector
US4013967A (en) * 1976-04-29 1977-03-22 The United States Of America As Represented By The Secretary Of The Navy Mid-pulse detector
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
US4605889A (en) * 1984-08-21 1986-08-12 Resolvex Corporation Brushless tachometer/synchro
US4573358A (en) * 1984-10-22 1986-03-04 Westinghouse Electric Corp. Turbine blade vibration detection apparatus

Also Published As

Publication number Publication date
CN1018862B (zh) 1992-10-28
IT1232809B (it) 1992-03-05
US4922757A (en) 1990-05-08
KR900000690A (ko) 1990-01-31
CN1038700A (zh) 1990-01-10
JPH02103423A (ja) 1990-04-16
ES2015155A6 (es) 1990-08-01

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