SG11201404770UA - Optical detection of airfoil axial position with nsms - Google Patents

Optical detection of airfoil axial position with nsms

Info

Publication number
SG11201404770UA
SG11201404770UA SG11201404770UA SG11201404770UA SG11201404770UA SG 11201404770U A SG11201404770U A SG 11201404770UA SG 11201404770U A SG11201404770U A SG 11201404770UA SG 11201404770U A SG11201404770U A SG 11201404770UA SG 11201404770U A SG11201404770U A SG 11201404770UA
Authority
SG
Singapore
Prior art keywords
nsms
axial position
optical detection
airfoil axial
airfoil
Prior art date
Application number
SG11201404770UA
Other languages
English (en)
Inventor
Bruce Hockaday
Original Assignee
United Technologies 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 United Technologies Corp filed Critical United Technologies Corp
Publication of SG11201404770UA publication Critical patent/SG11201404770UA/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/0061—Force sensors associated with industrial machines or actuators
    • 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
    • F01D21/003—Arrangements for testing or measuring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/026—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring distance between sensor and object
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/20—Rotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/80—Diagnostics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2270/00—Control
    • F05D2270/01—Purpose of the control system
    • F05D2270/11—Purpose of the control system to prolong engine life
    • F05D2270/114—Purpose of the control system to prolong engine life by limiting mechanical stresses

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Length Measuring Devices By Optical Means (AREA)
SG11201404770UA 2012-05-29 2013-04-12 Optical detection of airfoil axial position with nsms SG11201404770UA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/482,076 US8687206B2 (en) 2012-05-29 2012-05-29 Optical detection of airfoil axial position with NSMS
PCT/US2013/036288 WO2013180839A1 (en) 2012-05-29 2013-04-12 Optical detection of airfoil axial position with nsms

Publications (1)

Publication Number Publication Date
SG11201404770UA true SG11201404770UA (en) 2014-10-30

Family

ID=49669888

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201404770UA SG11201404770UA (en) 2012-05-29 2013-04-12 Optical detection of airfoil axial position with nsms

Country Status (4)

Country Link
US (1) US8687206B2 (de)
EP (1) EP2855351B1 (de)
SG (1) SG11201404770UA (de)
WO (1) WO2013180839A1 (de)

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FR2977316B1 (fr) * 2011-07-01 2014-02-21 Snecma Dispositif et procede de mesure des temps de passage de sommets d'aubes dans une turbomachine
GB201309622D0 (en) * 2013-05-30 2013-07-10 Rolls Royce Plc Blade tip timing
US9869190B2 (en) 2014-05-30 2018-01-16 General Electric Company Variable-pitch rotor with remote counterweights
US10072510B2 (en) 2014-11-21 2018-09-11 General Electric Company Variable pitch fan for gas turbine engine and method of assembling the same
US10100653B2 (en) 2015-10-08 2018-10-16 General Electric Company Variable pitch fan blade retention system
US9953408B2 (en) * 2015-11-16 2018-04-24 General Electric Company Methods for monitoring components
WO2018002819A1 (en) * 2016-06-27 2018-01-04 University Of Pretoria A method and system for measuring rotor blade tip deflection using blade tip timing (btt)
US10775269B2 (en) * 2017-02-08 2020-09-15 Raytheon Technologies Corporation Blade health inspection using an excitation actuator and vibration sensor
US10889367B2 (en) 2017-04-24 2021-01-12 Pratt & Whitney Canada Corp. Feedback system for pitch-adjustable blades of aircraft bladed rotor
US10768059B2 (en) 2018-02-16 2020-09-08 Raytheon Technologies Corporation Embedded optical probe for gas turbine engine
US11255219B2 (en) * 2018-06-11 2022-02-22 General Electric Company System and method for turbomachinery blade diagnostics via discrete markings
US11279465B2 (en) 2018-07-16 2022-03-22 Pratt & Whitney Canada Corp. Propeller blade angle feedback arrangement and method
US11046422B2 (en) 2018-07-16 2021-06-29 Pratt & Whitney Canada Corp. Propeller blade angle feedback arrangement and method
US10829201B2 (en) 2019-03-20 2020-11-10 Pratt & Whitney Canada Corp. Blade angle position feedback system with extended markers
US11554850B2 (en) 2019-04-25 2023-01-17 Pratt & Whitney Canada Corp. Blade angle position feedback system with offset sensors
DE102019210336A1 (de) * 2019-07-12 2021-01-14 Aktiebolaget Skf Verfahren zum Schätzen einer Lagerbelastung unter Verwendung von Spannungsparametern, um eine Kontaktwinkelschwankung zu berücksichtigen
US11046423B2 (en) 2019-07-18 2021-06-29 Pratt & Whitney Canada Corp. Blade angle position feedback system with magnetic shield
US11286038B2 (en) 2019-09-03 2022-03-29 Pratt & Whitney Canada Corp. Pitch control assembly for an aircraft-bladed rotor
US11365691B2 (en) 2019-09-05 2022-06-21 Pratt & Whitney Canada Corp. Blade angle position feedback system with embedded markers
US11597502B2 (en) 2019-09-05 2023-03-07 Pratt & Whitney Canada Corp. Signal amplification in blade angle position feedback system
US11505307B2 (en) 2019-10-21 2022-11-22 Pratt & Whitney Canada Corp. Phonic wheel and related system and method
US11428116B2 (en) 2019-11-29 2022-08-30 Pratt & Whitney Canada Corp. System and method for measuring an axial position of a rotating component of an engine
US11420772B2 (en) 2019-12-17 2022-08-23 Pratt & Whitney Canada Corp. System and method for determining an axial position of a feedback device
US11674435B2 (en) 2021-06-29 2023-06-13 General Electric Company Levered counterweight feathering system
US11795964B2 (en) 2021-07-16 2023-10-24 General Electric Company Levered counterweight feathering system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2455053A (en) * 1945-03-09 1948-11-30 Bausch & Lomb Optical method and apparatus for checking propeller blades
US6785635B2 (en) 1999-08-02 2004-08-31 Hood Technology Corporation Apparatus and method for predicting failures of spinning disks in turbo-machinery
FR2876444B1 (fr) * 2004-10-12 2007-06-22 Snecma Moteurs Sa Dispositif de mesure du deplacement axial du sommet des aubes d'une turbomachine pour des essais au sol et procede d'utilisation du dispositif
GB0609723D0 (en) * 2006-05-17 2006-06-28 Moir Christopher I Position detector
US7836772B2 (en) * 2007-09-26 2010-11-23 Siemens Energy, Inc. Method and apparatus for tracking a rotating blade tip for blade vibration monitor measurements
DE102008057556A1 (de) * 2008-11-15 2010-05-20 Mtu Aero Engines Gmbh Verfahren und Vorrichtung zur Risserkennung an Verdichterlaufschaufeln
DE102009007935B4 (de) * 2009-02-06 2011-06-30 Lewandowski, Angela, 30159 Vorrichtung und Verfahren für die künstliche Verlängerung von Nägeln

Also Published As

Publication number Publication date
EP2855351A1 (de) 2015-04-08
EP2855351A4 (de) 2016-03-09
US20130321824A1 (en) 2013-12-05
US8687206B2 (en) 2014-04-01
EP2855351B1 (de) 2017-06-07
WO2013180839A1 (en) 2013-12-05

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