GB0417035D0 - A method for measuring the blade speed of a rotor - Google Patents

A method for measuring the blade speed of a rotor

Info

Publication number
GB0417035D0
GB0417035D0 GBGB0417035.3A GB0417035A GB0417035D0 GB 0417035 D0 GB0417035 D0 GB 0417035D0 GB 0417035 A GB0417035 A GB 0417035A GB 0417035 D0 GB0417035 D0 GB 0417035D0
Authority
GB
United Kingdom
Prior art keywords
rotor
measuring
blade speed
blade
speed
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
GBGB0417035.3A
Other versions
GB2416848A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
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 Rolls Royce PLC filed Critical Rolls Royce PLC
Priority to GB0417035A priority Critical patent/GB2416848A/en
Publication of GB0417035D0 publication Critical patent/GB0417035D0/en
Publication of GB2416848A publication Critical patent/GB2416848A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/483—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by variable capacitance detectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/24—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
    • G01D5/241—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
GB0417035A 2004-07-30 2004-07-30 Capacitive measurement of rotor blade speed and vibration Withdrawn GB2416848A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0417035A GB2416848A (en) 2004-07-30 2004-07-30 Capacitive measurement of rotor blade speed and vibration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0417035A GB2416848A (en) 2004-07-30 2004-07-30 Capacitive measurement of rotor blade speed and vibration

Publications (2)

Publication Number Publication Date
GB0417035D0 true GB0417035D0 (en) 2004-09-01
GB2416848A GB2416848A (en) 2006-02-08

Family

ID=32947726

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0417035A Withdrawn GB2416848A (en) 2004-07-30 2004-07-30 Capacitive measurement of rotor blade speed and vibration

Country Status (1)

Country Link
GB (1) GB2416848A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101750198B (en) * 2008-11-28 2011-10-05 上海宝钢工业检测公司 Method for measuring corresponding phase positions of vibration signals of different measuring points of rotary machine

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006043283A1 (en) 2006-09-14 2008-03-27 Mtu Aero Engines Gmbh Measuring arrangement for detecting a 1 / revolution pulse of an engine rotor and method for this purpose
GB0621620D0 (en) 2006-10-31 2006-12-06 Rolls Royce Plc A sensor
GB2449274A (en) * 2007-05-15 2008-11-19 Thomas William Bach Passive impedance measurer
US7941281B2 (en) 2008-12-22 2011-05-10 General Electric Company System and method for rotor blade health monitoring
GB0822859D0 (en) 2008-12-16 2009-01-21 Rolls Royce Plc Timing analysis
GB0915038D0 (en) 2009-08-28 2009-09-30 Cummins Turbo Tech Ltd Speed sensor arrangement
GB201402419D0 (en) * 2014-02-12 2014-03-26 Rolls Royce Plc Time reference derivation from time of arrival measurements
CN108267217A (en) * 2017-12-29 2018-07-10 三英精控（天津）仪器设备有限公司 Shake noise analysis system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB980323A (en) * 1961-03-21 1965-01-13 Atomic Energy Authority Uk Improvements in or relating to flowmeters
GB1404133A (en) * 1971-07-20 1975-08-28 Abbirko Instr Ltd Anemometers
FR2506023A1 (en) * 1981-05-15 1982-11-19 Snecma OBJECT DISPLACEMENT SENSOR AND DEVICE BY APPLYING TO MEASURE ROTATION SPEED AND ROTOR VIBRATION FREQUENCIES, IN PARTICULAR A TURBOMACHINE WHEEL
FR2629196B1 (en) * 1988-03-25 1991-05-31 Thermocoax Cie CAPACITIVE SENSOR
FR2750489B1 (en) * 1996-06-26 1998-08-28 Philips Electronics Nv COMPOSITE CAPACITIVE SENSOR DEVICE

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101750198B (en) * 2008-11-28 2011-10-05 上海宝钢工业检测公司 Method for measuring corresponding phase positions of vibration signals of different measuring points of rotary machine

Also Published As

Publication number Publication date
GB2416848A (en) 2006-02-08

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)