ATE89418T1 - Vorrichtung zur ueberwachung von fehlern in klammern von rotoren von elektrischen maschinen. - Google Patents
Vorrichtung zur ueberwachung von fehlern in klammern von rotoren von elektrischen maschinen.Info
- Publication number
- ATE89418T1 ATE89418T1 AT86102799T AT86102799T ATE89418T1 AT E89418 T1 ATE89418 T1 AT E89418T1 AT 86102799 T AT86102799 T AT 86102799T AT 86102799 T AT86102799 T AT 86102799T AT E89418 T1 ATE89418 T1 AT E89418T1
- Authority
- AT
- Austria
- Prior art keywords
- probe
- rotor
- right angle
- angled
- rotors
- Prior art date
Links
- 238000012544 monitoring process Methods 0.000 title 1
- 239000000523 sample Substances 0.000 abstract 6
- 238000002592 echocardiography Methods 0.000 abstract 2
- 238000001514 detection method Methods 0.000 abstract 1
- 238000007689 inspection Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/11—Analysing solids by measuring attenuation of acoustic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
- G01N29/38—Detecting the response signal, e.g. electronic circuits specially adapted therefor by time filtering, e.g. using time gates
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
- G01N29/40—Detecting the response signal, e.g. electronic circuits specially adapted therefor by amplitude filtering, e.g. by applying a threshold or by gain control
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/04—Wave modes and trajectories
- G01N2291/044—Internal reflections (echoes), e.g. on walls or defects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/269—Various geometry objects
- G01N2291/2693—Rotor or turbine parts
Landscapes
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Control Of Electric Motors In General (AREA)
- Synchronous Machinery (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8503302A FR2578647B1 (fr) | 1985-03-06 | 1985-03-06 | Dispositif de controle des defauts de frettes de rotors de machines electriques |
| EP86102799A EP0193924B1 (de) | 1985-03-06 | 1986-03-04 | Vorrichtung zur Überwachung von Fehlern in Klammern von Rotoren von elektrischen Maschinen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE89418T1 true ATE89418T1 (de) | 1993-05-15 |
Family
ID=9316928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT86102799T ATE89418T1 (de) | 1985-03-06 | 1986-03-04 | Vorrichtung zur ueberwachung von fehlern in klammern von rotoren von elektrischen maschinen. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4709582A (de) |
| EP (1) | EP0193924B1 (de) |
| AT (1) | ATE89418T1 (de) |
| DE (1) | DE3688404T2 (de) |
| FR (1) | FR2578647B1 (de) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4970890A (en) * | 1988-11-23 | 1990-11-20 | Westinghouse Electric Corp. | Electric generator inspection system |
| US4889000A (en) * | 1987-02-11 | 1989-12-26 | Westinghouse Electric Corp. | Electric generator inspection system and motor controller |
| US4803563A (en) * | 1987-09-02 | 1989-02-07 | Westinghouse Electric Corp. | Rotor-in-stator examination magnetic carriage and positioning apparatus |
| US4962660A (en) * | 1989-06-19 | 1990-10-16 | Westinghouse Electric Corp. | Apparatus for impact testing for electric generator stator wedge tightness |
| DE4125950C1 (de) * | 1991-08-06 | 1992-11-05 | Dornier Medizintechnik Gmbh, 8000 Muenchen, De | |
| DE4223502A1 (de) * | 1992-07-17 | 1994-01-20 | Krautkraemer Gmbh | Verfahren und Vorrichtung zum Starten einer Zeitblende bei der Ultraschall-Werkstoffprüfung nach dem Impuls-Echo-Verfahren |
| JP3653984B2 (ja) * | 1998-05-27 | 2005-06-02 | 日本精工株式会社 | 軸受リングの超音波探傷検査方法 |
| US6161436A (en) * | 1999-06-04 | 2000-12-19 | Caterpillar Inc. | Shoe for ultrasonically inspecting crankshaft fillets |
| GB2356048A (en) * | 1999-08-18 | 2001-05-09 | Peter Edward Sharp | Acoustic on-line condition monitoring of a machine part |
| US6732587B2 (en) | 2002-02-06 | 2004-05-11 | Lockheed Martin Corporation | System and method for classification of defects in a manufactured object |
| NL1024726C2 (nl) * | 2003-11-06 | 2005-05-09 | Roentgen Tech Dienst Bv | Werkwijze voor het controleren van een las tussen twee metalen pijpleidingen. |
| EP2040070B1 (de) | 2007-09-18 | 2015-12-02 | Alstom Technology Ltd | Verfahren zur Erfassung von Rissen in den Zähnen von Generatorrotoren |
| JP2015010950A (ja) * | 2013-06-28 | 2015-01-19 | 東日本旅客鉄道株式会社 | レール探傷装置及びレール探傷方法 |
| CN110940737B (zh) * | 2019-11-01 | 2020-12-15 | 浙江大学 | 一种用于埋地管道损伤诊断的低频声子发射监测装置 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3599478A (en) * | 1968-12-03 | 1971-08-17 | Amf Inc | Self-calibrating ultrasonic thickness-measuring apparatus |
| JPS5369691A (en) * | 1976-12-02 | 1978-06-21 | Sumitomo Metal Ind | Method and apparatus for automatic supersonic crack detection |
| NL7904973A (nl) * | 1979-06-26 | 1980-12-30 | Roentgen Tech Dienst Bv | Stelsel voor het met ultrasone golven onderzoeken van lasverbindingen in pijpen. |
| US4351190A (en) * | 1979-12-17 | 1982-09-28 | Wilfried Rehme | Ultrasonic non-destructive testing device for welding beads |
| JPS59112258A (ja) * | 1982-12-20 | 1984-06-28 | Sumitomo Metal Ind Ltd | 異形鋼管の超音波探傷方法 |
| US4502331A (en) * | 1983-09-14 | 1985-03-05 | Southwest Research Institute | Method for ultrasonic inspection of turbine disc rims |
-
1985
- 1985-03-06 FR FR8503302A patent/FR2578647B1/fr not_active Expired
-
1986
- 1986-03-04 AT AT86102799T patent/ATE89418T1/de not_active IP Right Cessation
- 1986-03-04 DE DE8686102799T patent/DE3688404T2/de not_active Expired - Fee Related
- 1986-03-04 EP EP86102799A patent/EP0193924B1/de not_active Expired - Lifetime
- 1986-03-06 US US06/836,885 patent/US4709582A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE3688404D1 (de) | 1993-06-17 |
| EP0193924B1 (de) | 1993-05-12 |
| EP0193924A3 (en) | 1990-05-02 |
| FR2578647B1 (fr) | 1987-03-06 |
| DE3688404T2 (de) | 1993-08-26 |
| FR2578647A1 (fr) | 1986-09-12 |
| US4709582A (en) | 1987-12-01 |
| EP0193924A2 (de) | 1986-09-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification | ||
| REN | Ceased due to non-payment of the annual fee |