DE60134713D1 - Überwachen von Abstandsänderungen ( Gasturbinentriebwerk ) mit einem astigmatischen Zonenplattensystem - Google Patents

Überwachen von Abstandsänderungen ( Gasturbinentriebwerk ) mit einem astigmatischen Zonenplattensystem

Info

Publication number
DE60134713D1
DE60134713D1 DE60134713T DE60134713T DE60134713D1 DE 60134713 D1 DE60134713 D1 DE 60134713D1 DE 60134713 T DE60134713 T DE 60134713T DE 60134713 T DE60134713 T DE 60134713T DE 60134713 D1 DE60134713 D1 DE 60134713D1
Authority
DE
Germany
Prior art keywords
gas turbine
turbine engine
plate system
zone plate
distance changes
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.)
Expired - Lifetime
Application number
DE60134713T
Other languages
English (en)
Inventor
Harold Heyworth
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
Application granted granted Critical
Publication of DE60134713D1 publication Critical patent/DE60134713D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
DE60134713T 2001-01-13 2001-12-15 Überwachen von Abstandsänderungen ( Gasturbinentriebwerk ) mit einem astigmatischen Zonenplattensystem Expired - Lifetime DE60134713D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0101002.4A GB0101002D0 (en) 2001-01-13 2001-01-13 Monitoring distance variations

Publications (1)

Publication Number Publication Date
DE60134713D1 true DE60134713D1 (de) 2008-08-21

Family

ID=9906835

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60134713T Expired - Lifetime DE60134713D1 (de) 2001-01-13 2001-12-15 Überwachen von Abstandsänderungen ( Gasturbinentriebwerk ) mit einem astigmatischen Zonenplattensystem

Country Status (4)

Country Link
US (1) US6678060B2 (de)
EP (1) EP1223406B1 (de)
DE (1) DE60134713D1 (de)
GB (1) GB0101002D0 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2426711C (en) * 2002-05-02 2009-11-17 General Electric Company Wind power plant, control arrangement for a wind power plant, and method for operating a wind power plant
EP1445577A1 (de) * 2003-01-30 2004-08-11 ALSTOM Technology Ltd Verfahren und Vorrichtung zur Bestimmung der Entfernung zwischen einer Sammellinse und einem Objekt
GB2427683B (en) 2005-06-25 2007-06-20 Rolls Royce Plc A gap monitor arrangement
US8248466B2 (en) * 2006-10-11 2012-08-21 International Business Machines Corporation Image processing using multiple image devices
WO2008058281A2 (en) * 2006-11-09 2008-05-15 Amo Wavefront Sciences, Llc Method and apparatus for obtaining the distance from an optical measurement instrument to and object under test
US20080130014A1 (en) * 2006-12-05 2008-06-05 Christopher John Rush Displacement Measurement Sensor Using the Confocal Principle with an Optical Fiber
US8151647B2 (en) * 2008-09-24 2012-04-10 Siemens Energy, Inc. Apparatus for monitoring blade vibration with an imaging fiber optic ribbon probe
US8126662B2 (en) * 2008-09-24 2012-02-28 Siemens Energy, Inc. Method and apparatus for monitoring blade vibration with a fiber optic ribbon probe
US20100079136A1 (en) 2008-09-29 2010-04-01 Rosemount Aerospace Inc. Blade tip clearance measurement sensor and method for gas turbine engines
US8009939B2 (en) * 2008-09-30 2011-08-30 General Electric Company Fiberoptic clearance detection system and method
US8451459B2 (en) 2008-10-31 2013-05-28 General Electric Company Method and system for inspecting blade tip clearance
US7916311B2 (en) 2008-10-31 2011-03-29 General Electric Company Method and system for inspecting blade tip clearance
US8184151B2 (en) * 2009-09-18 2012-05-22 Siemens Energy, Inc. Flexible imaging fiber bundle monitoring system for combustion turbines
US8998568B2 (en) * 2010-10-21 2015-04-07 General Electric Company Sensor packaging for turbine engine
WO2016030227A1 (en) * 2014-08-29 2016-03-03 Asml Netherlands B.V. Method for controlling a distance between two objects, inspection apparatus and method

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3839108A (en) * 1970-07-22 1974-10-01 Us Navy Method of forming a precision pattern of apertures in a plate
GB1539181A (en) 1976-05-18 1979-01-31 Nat Res Dev Optical apparatus
US4314760A (en) * 1979-08-27 1982-02-09 Trw Inc. Optical sensing device
GB2066449B (en) * 1979-12-21 1984-03-21 Rolls Royce Monitoring distance variations
US4514059A (en) * 1982-09-15 1985-04-30 The United States Of America As Represented By The Secretary Of The Army Incoherent optical heterodyne Fourier transformer
GB8307534D0 (en) * 1983-03-18 1983-04-27 Rolls Royce Optical determination of clearances
GB2178165B (en) * 1985-07-24 1989-08-09 Rolls Royce Plc Optical monitoring method and apparatus
US5013133A (en) * 1988-10-31 1991-05-07 The University Of Rochester Diffractive optical imaging lens systems
US5351230A (en) * 1991-10-23 1994-09-27 Nippon Steel Corporation Optical information system focal point displacement detecting means having Fresnel zone plates with rectilinear grating
US5541779A (en) * 1993-11-17 1996-07-30 Daewoo Electronics Co., Ltd. Optical imaging system
JP3767927B2 (ja) * 1995-01-31 2006-04-19 沖電気工業株式会社 波長変換方法及びそれを用いた波長変換装置

Also Published As

Publication number Publication date
US20020093665A1 (en) 2002-07-18
EP1223406B1 (de) 2008-07-09
GB0101002D0 (en) 2001-02-28
EP1223406A1 (de) 2002-07-17
US6678060B2 (en) 2004-01-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition