DE69419608T2 - Leckprüfgerät und -verfahren - Google Patents

Leckprüfgerät und -verfahren

Info

Publication number
DE69419608T2
DE69419608T2 DE69419608T DE69419608T DE69419608T2 DE 69419608 T2 DE69419608 T2 DE 69419608T2 DE 69419608 T DE69419608 T DE 69419608T DE 69419608 T DE69419608 T DE 69419608T DE 69419608 T2 DE69419608 T2 DE 69419608T2
Authority
DE
Germany
Prior art keywords
pct
source
monitoring
cavity
sec
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
DE69419608T
Other languages
English (en)
Other versions
DE69419608D1 (de
Inventor
Kenneth Davey
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.)
Structural Monitoring Systems Ltd
Original Assignee
Tulip Bay Pty Ltd
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
Priority claimed from AUPM3205A external-priority patent/AUPM320593A0/en
Priority claimed from AUPM3203A external-priority patent/AUPM320393A0/en
Application filed by Tulip Bay Pty Ltd filed Critical Tulip Bay Pty Ltd
Application granted granted Critical
Publication of DE69419608D1 publication Critical patent/DE69419608D1/de
Publication of DE69419608T2 publication Critical patent/DE69419608T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/006—Safety devices
    • B64C27/007—Safety devices adapted for detection of blade cracks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D45/00—Aircraft indicators or protectors not otherwise provided for
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N19/00—Investigating materials by mechanical methods
    • G01N19/08—Detecting presence of flaws or irregularities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D45/00—Aircraft indicators or protectors not otherwise provided for
    • B64D2045/0085—Devices for aircraft health monitoring, e.g. monitoring flutter or vibration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N7/00—Analysing materials by measuring the pressure or volume of a gas or vapour

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Measuring Fluid Pressure (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Pipeline Systems (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
DE69419608T 1993-05-06 1994-05-06 Leckprüfgerät und -verfahren Expired - Lifetime DE69419608T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AUPL868293 1993-05-06
AUPM3205A AUPM320593A0 (en) 1993-12-31 1993-12-31 Apparatus for monitoring integrity of dynamic components or structures
AUPM3203A AUPM320393A0 (en) 1993-12-31 1993-12-31 Apparatus for monitoring structures integrity
PCT/AU1994/000235 WO1994027130A1 (en) 1993-05-06 1994-05-06 Monitoring apparatus

Publications (2)

Publication Number Publication Date
DE69419608D1 DE69419608D1 (de) 1999-08-26
DE69419608T2 true DE69419608T2 (de) 2000-03-09

Family

ID=27157723

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69419608T Expired - Lifetime DE69419608T2 (de) 1993-05-06 1994-05-06 Leckprüfgerät und -verfahren

Country Status (12)

Country Link
US (1) US5770794A (de)
EP (1) EP0700510B1 (de)
JP (1) JP3236939B2 (de)
AT (1) ATE182404T1 (de)
CA (1) CA2161000C (de)
DE (1) DE69419608T2 (de)
DK (1) DK0700510T3 (de)
ES (1) ES2136734T3 (de)
HK (1) HK1001168A1 (de)
NZ (1) NZ265884A (de)
SG (1) SG44511A1 (de)
WO (1) WO1994027130A1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007014160A1 (de) * 2007-03-23 2008-09-25 Airbus Deutschland Gmbh System und Verfahren zum Überwachen des Zustands von Strukturbauteilen
DE102009027807A1 (de) * 2009-07-17 2011-03-10 Airbus Operations Gmbh Detektionsverfahren und Detektionsvorrichtung zum Detektieren von Kernschäden und Ablösungen in Sandwichstrukturen
US8413485B2 (en) 2009-07-17 2013-04-09 Airbus Operations Gmbh Detection method and detection device for detecting core defects and delaminations in sandwich structures
US9316562B2 (en) 2008-04-18 2016-04-19 Airbus Operations Gmbh System and method for monitoring the state of structural components

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2001254524B2 (en) * 2000-05-03 2005-07-21 Structural Monitoring Systems Ltd System and method for the detection and propagation measurement of flaws in a component or structure
AUPQ726600A0 (en) * 2000-05-03 2000-05-25 Structural Monitoring Systems Ltd System and method for continuous monitoring of the structural integrity of a component or structure
AU2001261899B2 (en) * 2000-05-30 2005-11-24 Structural Monitoring Systems Ltd Apparatus and method for measurement of permeability or strain in permeable materials
AUPQ788000A0 (en) * 2000-05-30 2000-06-22 Structural Monitoring Systems Ltd Apparatus and method for measurement of the permeability of materials
AUPQ823500A0 (en) 2000-06-19 2000-07-13 Structural Monitoring Systems Ltd Apparatus for condition monitoring the integrity of fasteners and fastened joints
AUPR001800A0 (en) * 2000-09-08 2000-10-05 Structural Monitoring Systems Ltd Method and apparatus for monitoring the integrity of structures
AU2001268815B2 (en) * 2000-09-08 2006-10-26 Structural Monitoring Systems Ltd Method and apparatus for monitoring the integrity of components and structures
AUPR260301A0 (en) 2001-01-18 2001-02-15 Structural Monitoring Systems Ltd Method and apparatus for remote continuous condition monitoring of a structure
WO2002086437A1 (en) * 2001-03-02 2002-10-31 Waters Investments Limited Methods and apparatus for determining the presence or absence of a fluid leak
DE10131752A1 (de) * 2001-07-03 2003-01-23 Univ Braunschweig Tech Carolo Wilhelmina Anordnung und Verfahren zur Messung der Gasdurchlässigkeit eines porösen Baustoffes
US7500383B2 (en) * 2001-07-13 2009-03-10 Structural Monitoring Systems, Ltd. Method and apparatus for monitoring the integrity of components and structures
US7241115B2 (en) * 2002-03-01 2007-07-10 Waters Investments Limited Methods and apparatus for determining the presence or absence of a fluid leak
GB2408801A (en) * 2003-12-03 2005-06-08 Boc Group Plc Detection of seal leak using differential pressure measurement
WO2005066601A1 (en) * 2004-01-12 2005-07-21 Structural Monitoring Systems Ltd Method and apparatus for monitoring the integrity of a structure having a surface in contact with a liquid
US20090078357A1 (en) * 2006-03-16 2009-03-26 Structural Monitoring Systems Ltd Method for monitoring for cracking in a componant
WO2007112512A1 (en) * 2006-04-04 2007-10-11 Structural Monitoring Systems Ltd Method for detecting separation in a structure
WO2007112511A1 (en) * 2006-04-04 2007-10-11 Structural Monitoring Systems Ltd Method for detecting impact damage in a structure
US8196453B2 (en) * 2006-04-07 2012-06-12 Structural Monitoring Systems Ltd. Sensor for detecting surface cracks in an article
AU2007247848A1 (en) * 2006-05-03 2007-11-15 Structural Monitoring Systems Limited A method of manufacturing a sensor for detecting surface cracks in a structure
DE102006049607B4 (de) * 2006-10-20 2009-06-10 Airbus Deutschland Gmbh Herstellverfahren einer Sensorfolie
EP2100118B1 (de) 2006-12-05 2019-03-13 Structural Monitoring Systems Ltd Zustandsüberwachung einer komponente oder struktur, die fluidströmung verwendet
WO2008151369A1 (en) * 2007-06-12 2008-12-18 Structural Monitoring Systems Ltd Method and apparatus for the condition monitoring of structures
US7559250B2 (en) * 2007-09-27 2009-07-14 Caterpillar Inc. Frame crack detection method
CA2706520A1 (en) * 2007-11-21 2009-05-28 Structural Monitoring Systems Ltd. Differential comparative pressure monitoring system
CN101918807B (zh) * 2007-11-21 2012-05-09 结构监测系统有限公司 比较压力监控仪
US9031796B2 (en) 2008-01-31 2015-05-12 Structural Monitoring Systems Ltd. Continuous flow structural health monitoring system and method
JP2009200212A (ja) * 2008-02-21 2009-09-03 Keihin Corp プリント基板の放熱構造
FR2930234B1 (fr) * 2008-04-21 2010-07-30 Aircelle Sa Systeme de degivrage et/ou d'antigivrage pour bord d'attaque de voilure d'aeronef.
DE102010012342B4 (de) * 2010-03-23 2020-03-26 Airbus Operations Gmbh Versteifungsbauteil und Verfahren sowie Kammwerkzeug
DE102012211566A1 (de) * 2012-07-03 2014-01-09 Wobben Properties Gmbh Überwachte Bauteilverbindung, Windenergieanlage, Verfahren zur Überwachung einer Bauteilverbindung auf ein ungewolltes Lösen der Bauteilverbindung im verbundenen Zustand
WO2014180870A1 (en) * 2013-05-06 2014-11-13 Vrije Universiteit Brussel Effective structural health monitoring
EP2801809A1 (de) * 2013-05-06 2014-11-12 Vrije Universiteit Brussel Strukturelle Integritätsüberwachung mit Hohlraumstruktur
CN103411741A (zh) * 2013-05-28 2013-11-27 沈阳黎明航空发动机(集团)有限责任公司 一种基于虚拟仪器的石墨环密封性试验监测系统
US10293930B2 (en) * 2015-01-14 2019-05-21 Sikorsky Aircraft Corporation Spar end cap with drain hole provisions
US10041792B2 (en) 2015-12-30 2018-08-07 Qualcomm Incorporated Pressure tap structures for barometric altimeters for unmanned aerial vehicles
BR112018071429B1 (pt) 2016-04-21 2022-12-13 Structural Monitoring Systems Ltd Sistema de sensoriamento e método de monitorar a integridade de uma estrutura
KR20220022389A (ko) * 2020-08-18 2022-02-25 현대자동차주식회사 연료전지용 분리판의 기밀 검사장치

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US2694924A (en) * 1954-11-23 Xlaminated - -structure tester
US2393996A (en) * 1944-10-31 1946-02-05 Arthur C Layton Method of detecting flaws
US3667862A (en) * 1970-12-09 1972-06-06 Boeing Co Blade inspection system and method
US3820381A (en) * 1972-06-19 1974-06-28 Gulf Oil Corp Fastener system and method for inspecting same
NL7712634A (nl) * 1977-03-17 1978-09-19 Continental Oil Co Werkwijze en inrichting voor het vroegtijdig vaststellen van scheuren.
US4104906A (en) * 1977-04-04 1978-08-08 Continental Oil Company Early crack detection with multi-pressure system
US4135386A (en) * 1977-12-27 1979-01-23 Continental Oil Company Porous material crack detection
US4345457A (en) * 1979-12-27 1982-08-24 Kuroki Kogyosho Co., Ltd. Method for detecting the depth of cracks in rolls used for transferring hot steel ingot bloom and rolls used therefor
DE3049628C2 (de) * 1980-12-31 1982-10-21 Basf Ag, 6700 Ludwigshafen Verfahren zur Überwachung des Entstehens und Fortschreitens von Rissen in Maschinenteilen und Bauteilen sowie eine Vorrichtung zur Durchführung des Verfahrens
US4683745A (en) * 1986-08-28 1987-08-04 Westvaco Corporation Cannister seal integrity tester
US4979390A (en) * 1988-12-01 1990-12-25 Morris Schupack Method and apparatus for testing relative permeability of materials
US5249454A (en) * 1992-01-27 1993-10-05 Kollie Thomas G Instrument for measurement of vacuum in sealed thin wall packets

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007014160A1 (de) * 2007-03-23 2008-09-25 Airbus Deutschland Gmbh System und Verfahren zum Überwachen des Zustands von Strukturbauteilen
DE102007014160B4 (de) * 2007-03-23 2012-02-23 Airbus Operations Gmbh System und Verfahren zum Überwachen des Zustands von Strukturbauteilen
US9316562B2 (en) 2008-04-18 2016-04-19 Airbus Operations Gmbh System and method for monitoring the state of structural components
DE102009027807A1 (de) * 2009-07-17 2011-03-10 Airbus Operations Gmbh Detektionsverfahren und Detektionsvorrichtung zum Detektieren von Kernschäden und Ablösungen in Sandwichstrukturen
US8413485B2 (en) 2009-07-17 2013-04-09 Airbus Operations Gmbh Detection method and detection device for detecting core defects and delaminations in sandwich structures

Also Published As

Publication number Publication date
SG44511A1 (en) 1997-12-19
JP3236939B2 (ja) 2001-12-10
NZ265884A (en) 1996-11-26
EP0700510B1 (de) 1999-07-21
JPH08509815A (ja) 1996-10-15
US5770794A (en) 1998-06-23
EP0700510A1 (de) 1996-03-13
CA2161000A1 (en) 1994-11-24
DK0700510T3 (da) 2000-02-28
DE69419608D1 (de) 1999-08-26
CA2161000C (en) 2004-12-21
ES2136734T3 (es) 1999-12-01
EP0700510A4 (de) 1996-05-29
ATE182404T1 (de) 1999-08-15
WO1994027130A1 (en) 1994-11-24
HK1001168A1 (en) 1998-05-29

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: STRUCTURAL MONITORING SYSTEMS LTD., WEST PERTH, AU

8327 Change in the person/name/address of the patent owner

Owner name: STRUCTURAL MONITORING SYSTEMS LTD., OSBORNE PARK,