WO2010079300A1 - Dispositif de mesure de torsion d'un arbre tournant - Google Patents
Dispositif de mesure de torsion d'un arbre tournant Download PDFInfo
- Publication number
- WO2010079300A1 WO2010079300A1 PCT/FR2010/050014 FR2010050014W WO2010079300A1 WO 2010079300 A1 WO2010079300 A1 WO 2010079300A1 FR 2010050014 W FR2010050014 W FR 2010050014W WO 2010079300 A1 WO2010079300 A1 WO 2010079300A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- shaft
- filters
- receiver
- torsion
- filter
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
- G01L3/02—Rotary-transmission dynamometers
- G01L3/04—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
- G01L3/08—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving optical means for indicating
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
- G01L3/02—Rotary-transmission dynamometers
- G01L3/04—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
- G01L3/10—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
- G01L3/12—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving photoelectric means
Definitions
- the invention relates to the torsion measurement of a rotating shaft and relates more particularly to a light and precise device for directly measuring the torsion of the rotating shaft and advantageously to deduce the torque transmitted.
- the invention makes it possible, among other things, to constantly monitor that the value of this twist remains lower than a critical value beyond which a break is possible.
- the invention applies in particular to the torsion measurement of a fan shaft in an aircraft turbojet engine, but its principle can also be applied to other propulsion systems, in particular to a turbojet engine with two counter-rotating propellers.
- Such a turbojet engine is generally equipped with a mechanical device for measuring the torque supplied by the turbine.
- Document WO 2004/067215 discloses means for electromagnetic measurement of the torsion of a shaft.
- the invention proposes an optical device for measuring the torsion of such a shaft.
- the invention relates to a device for measuring the torsion of a rotating shaft including a drive shaft, comprising a laser beam generator, two polarizing filters integral with the shaft and distant from each other and a laser radiation receiver, said generator being installed so that the laser beam that it emits passes through the two filters and said receiver being installed to receive said beam having passed through these two filters, characterized in that a reflection system is installed at the the vicinity of such a filter for reflecting the beam having passed through this filter and returning it parallel to itself to said receiver and in that said reflection system comprises a frustoconical mirror at 45 °, according to an advantageous embodiment, the two filters are respectively mounted on the shaft itself in the vicinity of its two ends. When the shaft is hollow, the two filters are advantageously installed inside this tree.
- the generator and the receiver are arranged perpendicular to the axis of rotation of the shaft and on both sides thereof so that their optical axes are aligned.
- another frustoconical mirror 45 ° carried by said shaft is placed between the transmitter and the receiver.
- one of the filters comprises a ring of polarizing zones and alternating nonpolarizing zones, to obtain a succession of periodic information representative of a measurement value and a reference value.
- - Figure 2 is a partial view on a larger scale showing the upstream part of the device
- - Figure 3 is a schematic view on a larger scale showing the downstream part of the device
- FIG. 4 is a schematic view illustrating the measurement of a reference value
- FIG. 5 is a schematic view illustrating the measurement of a representative value of the torsion of the shaft.
- the main subassemblies of a twin-jet air-jet engine namely, upstream-downstream, a fan 13, a low-pressure compressor 15, a high-pressure compressor, are recognized.
- pressure 16 a combustion chamber 19, the high pressure turbine 21 and the low pressure turbine 23.
- the latter is linked to an axial shaft 25, hollow, of axis X, which drives the rotor of the fan 13.
- the primary object of the invention is to measure continuously the torsion angle of the shaft 25.
- This shaft has a generally tubular structure which, in the embodiment described, facilitates the implementation of the components of the device. measurement according to the invention.
- This device comprises a laser beam generator 27, a first polarizing filter 29, a second polarizing filter 31 and a laser radiation receiver 33 of the photoelectric cell type.
- the two filters are both integral with the shaft 25. They are arranged to be traversed by the laser beam.
- the first filter 29, crossed first, is located near the upstream end of the shaft (the side of the fan) while the second filter 31, crossed second is located near the downstream end of the shaft (on the side of the low pressure turbine).
- the generator 27 is installed so that the laser beam passes through the two filters while the receiver 33 is installed to receive the beam having passed through the two filters.
- a reflection system 35 is installed in the vicinity of a filter (here said second filter 31) to reflect the beam having passed through this filter and return it parallel to itself to said receiver 33.
- a filter here said second filter 31
- This part of the device is visible in FIG. 3.
- said second polarizing filter 31 and the reflection system 35 are arranged on the same support 39 installed inside the shaft 25, in the vicinity of the downstream end, that is to say on the side of the turbine 23.
- This support 39 carries, arranged axially from upstream to downstream, said second polarizing filter 31 and a frustoconical mirror whose angle is 45 ° with respect to the axis of rotation X. Therefore, the laser beam F passing through the polarizing filter 31, at a distance d from the axis of rotation X, is reflected twice and is returned parallel to itself in one direction. symmetrical with respect to the axis of ro X.
- the laser beam generator 27 and the receiver 33 are arranged, on the side of the upstream end of the shaft 25, facing each other, perpendicularly to the axis of rotation X of this shaft and of part and of other of it. Their optical axes are aligned but another frustoconical mirror 43 to 45 °, carried axially by the shaft 25 is placed between the transmitter and the receiver. In the vicinity of this upstream end of the shaft, and integral in rotation with it, is installed a support 45 carrying, from upstream to downstream, this frustoconical mirror 43 and said first polarizing filter 29.
- This arrangement makes it possible to direct the laser beam F emitted by the generator parallel to the X axis towards the first polarizing filter 29 and to reflect the beam back towards said receiver 33 after this receiver has passed through the first polarizing filter a second time. 29.
- a transparent screen 46 is placed transversely upstream of the shaft to prevent oil mist from escaping and pollute part of the equipment.
- the laser beam passes through holes 49 machined in the fan disk.
- one of the filters in this case the first filter 29, comprises a crown or alternates polarizing zones 51 and non-polarizing zones 52, which makes it possible to obtain a succession periodic information representative of a measurement value and a reference value, respectively.
- the generator emits a beam perpendicular to the axis of rotation which is directed towards the frustoconical mirror 43. It is thus returned parallel to the axis X.
- This beam passes through a first time said first filter 29, located upstream then said second filter 31 located downstream. It is reflected twice by the frustoconical mirror 35 and returned parallel to itself. It crosses again said second filter 31 and finally the first filter 29 before being reflected one last time to the receiver 33, said first filter comprises four sectors 51, 52 each occupying 90 ° with the following polarizations;
- Io be the intensity of the laser beam emitted by the generator 27.
- the measured intensity value by the receiver 33 constitutes a reference value at most equal to I 0/2 .
- the measured intensity value is a function of the reference value and the torsion angle ⁇ .
- the receiver 33 thus emits a variable signal.
- the ratio min / max of this signal is representative of sin 2 (2 ⁇ ).
- the frequency of this signal is representative of the speed of the tree. The knowledge of the speed and the torsion (thus of the couple) makes it possible to know at every moment the mechanical power transmitted by the tree.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/143,622 US8587780B2 (en) | 2009-01-08 | 2010-01-07 | Device for measuring the twist of a rotating shaft |
EP10706009.7A EP2384427B1 (fr) | 2009-01-08 | 2010-01-07 | Dispositif de mesure de torsion d'un arbre tournant |
JP2011544904A JP5524239B2 (ja) | 2009-01-08 | 2010-01-07 | 回転シャフトのねじれを測定する装置 |
RU2011133038/28A RU2531055C2 (ru) | 2009-01-08 | 2010-01-07 | Устройство для измерения кручения вращающегося вала |
CA2748961A CA2748961C (fr) | 2009-01-08 | 2010-01-07 | Dispositif de mesure de torsion d'un arbre tournant |
CN2010800042606A CN102272567A (zh) | 2009-01-08 | 2010-01-07 | 测量旋转轴扭曲的装置 |
BRPI1006106-1A BRPI1006106B1 (pt) | 2009-01-08 | 2010-01-07 | Dispositivo de medição de torção de uma árvore giratória |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0950078A FR2940833B1 (fr) | 2009-01-08 | 2009-01-08 | Dispositif de mesure de torsion d'un arbre tournant |
FR0950078 | 2009-01-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010079300A1 true WO2010079300A1 (fr) | 2010-07-15 |
Family
ID=40852437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2010/050014 WO2010079300A1 (fr) | 2009-01-08 | 2010-01-07 | Dispositif de mesure de torsion d'un arbre tournant |
Country Status (9)
Country | Link |
---|---|
US (1) | US8587780B2 (fr) |
EP (1) | EP2384427B1 (fr) |
JP (1) | JP5524239B2 (fr) |
CN (1) | CN102272567A (fr) |
BR (1) | BRPI1006106B1 (fr) |
CA (1) | CA2748961C (fr) |
FR (1) | FR2940833B1 (fr) |
RU (1) | RU2531055C2 (fr) |
WO (1) | WO2010079300A1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10060807B2 (en) * | 2010-06-21 | 2018-08-28 | The Charles Machine Works, Inc. | Method and system for monitoring bend and torque forces on a drill pipe |
JP5465308B1 (ja) * | 2012-11-29 | 2014-04-09 | 正喜 佐藤 | 船舶のプロペラシャフトの曲り状態把握方法及び船舶のプロペラシャフトの曲り状態把握装置 |
US9784091B2 (en) | 2016-02-19 | 2017-10-10 | Baker Hughes Incorporated | Systems and methods for measuring bending, weight on bit and torque on bit while drilling |
US10364663B2 (en) | 2016-04-01 | 2019-07-30 | Baker Hughes, A Ge Company, Llc | Downhole operational modal analysis |
FR3110236B1 (fr) | 2020-05-15 | 2022-05-06 | Safran Aircraft Engines | Dispositif de mesure du couple d’un arbre de turbomachine et turbomachine comprenant un tel dispositif |
GB2625255A (en) * | 2022-12-06 | 2024-06-19 | Rolls Royce Plc | Electric vehicle battery pack |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3938890A (en) * | 1974-10-15 | 1976-02-17 | Flavell Evan R | Torque transducer utilizing differential optical sensing |
JPS5539019A (en) * | 1978-09-12 | 1980-03-18 | Yokogawa Hokushin Electric Corp | Torque converter |
US4874245A (en) * | 1988-02-26 | 1989-10-17 | Simmonds Precision Products, Inc. | Optical shaft angular and torsional displacement and speed sensing system |
US5389780A (en) * | 1992-05-14 | 1995-02-14 | Anderson; Philip M. | Optical torque sensor utilizing single polarizing area filters and mechanical amplifier |
FR2828278A1 (fr) * | 2001-08-01 | 2003-02-07 | Renault | Capteur de deplacement angulaire et son application dans une direction assistee pour vehicule automobile |
WO2004067215A2 (fr) | 2003-01-17 | 2004-08-12 | Hispano Suiza | Dispositif de mesure de deformation angulaire d'un arbre de torsion d'aeronef |
US20080156972A1 (en) * | 2007-01-03 | 2008-07-03 | Gm Global Technology Operations, Inc. | Laser Sensor Apparatus and Method for Detecting Transmission Shaft Torque |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3423593A (en) * | 1966-10-28 | 1969-01-21 | Bell Telephone Labor Inc | Optical beam position sensor |
SU587325A1 (ru) * | 1976-02-02 | 1978-01-05 | Ленинградский Институт Точной Механики И Оптики | Пол ризационное устройство дл измерени углов скручивани объекта |
JPS62124416A (ja) * | 1985-11-25 | 1987-06-05 | Sharp Corp | 光応用センサ |
JPH01118706A (ja) * | 1987-10-31 | 1989-05-11 | Shimadzu Corp | 回転軸の相対角度検出器 |
JPH01282613A (ja) * | 1988-05-10 | 1989-11-14 | Hitachi Kiden Kogyo Ltd | 光ビームを用いた追尾及び追尾通信装置の受信機並びにその受信機を使用した光ビームの追尾装置及び追尾通信装置 |
US5051551A (en) * | 1989-05-18 | 1991-09-24 | Axiom Analytical, Inc. | Immersion probe for infrared internal reflectance spectroscopy |
JP3028967B2 (ja) * | 1991-03-28 | 2000-04-04 | 株式会社東芝 | プローブ |
-
2009
- 2009-01-08 FR FR0950078A patent/FR2940833B1/fr active Active
-
2010
- 2010-01-07 WO PCT/FR2010/050014 patent/WO2010079300A1/fr active Application Filing
- 2010-01-07 CN CN2010800042606A patent/CN102272567A/zh active Pending
- 2010-01-07 BR BRPI1006106-1A patent/BRPI1006106B1/pt active Search and Examination
- 2010-01-07 JP JP2011544904A patent/JP5524239B2/ja active Active
- 2010-01-07 EP EP10706009.7A patent/EP2384427B1/fr active Active
- 2010-01-07 US US13/143,622 patent/US8587780B2/en active Active
- 2010-01-07 CA CA2748961A patent/CA2748961C/fr active Active
- 2010-01-07 RU RU2011133038/28A patent/RU2531055C2/ru active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3938890A (en) * | 1974-10-15 | 1976-02-17 | Flavell Evan R | Torque transducer utilizing differential optical sensing |
JPS5539019A (en) * | 1978-09-12 | 1980-03-18 | Yokogawa Hokushin Electric Corp | Torque converter |
US4874245A (en) * | 1988-02-26 | 1989-10-17 | Simmonds Precision Products, Inc. | Optical shaft angular and torsional displacement and speed sensing system |
US5389780A (en) * | 1992-05-14 | 1995-02-14 | Anderson; Philip M. | Optical torque sensor utilizing single polarizing area filters and mechanical amplifier |
FR2828278A1 (fr) * | 2001-08-01 | 2003-02-07 | Renault | Capteur de deplacement angulaire et son application dans une direction assistee pour vehicule automobile |
WO2004067215A2 (fr) | 2003-01-17 | 2004-08-12 | Hispano Suiza | Dispositif de mesure de deformation angulaire d'un arbre de torsion d'aeronef |
US20080156972A1 (en) * | 2007-01-03 | 2008-07-03 | Gm Global Technology Operations, Inc. | Laser Sensor Apparatus and Method for Detecting Transmission Shaft Torque |
Also Published As
Publication number | Publication date |
---|---|
EP2384427B1 (fr) | 2014-03-12 |
FR2940833A1 (fr) | 2010-07-09 |
JP2012514746A (ja) | 2012-06-28 |
BRPI1006106B1 (pt) | 2019-09-24 |
US20110273724A1 (en) | 2011-11-10 |
RU2011133038A (ru) | 2013-02-20 |
EP2384427A1 (fr) | 2011-11-09 |
CA2748961C (fr) | 2018-02-20 |
BRPI1006106A2 (pt) | 2016-02-16 |
US8587780B2 (en) | 2013-11-19 |
RU2531055C2 (ru) | 2014-10-20 |
CN102272567A (zh) | 2011-12-07 |
FR2940833B1 (fr) | 2011-03-11 |
CA2748961A1 (fr) | 2010-07-15 |
JP5524239B2 (ja) | 2014-06-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2384427B1 (fr) | Dispositif de mesure de torsion d'un arbre tournant | |
EP0443902B1 (fr) | Laser fournissant deux ondes à des fréquences différentes | |
EP1564352B1 (fr) | Turboréacteur dont l'arbre d'entraînement de la soufflante est supporté par deux paliers | |
WO2012001334A1 (fr) | Detection de survitesse d'une turbine libre par mesure sur couplemetre | |
EP1580124A1 (fr) | Suspension d'un moteur d'avion | |
EP2880451B1 (fr) | Système de sonde, sonde mixte de référence primaire pour aéronef, aéronef et procédé de mesure associés | |
FR3051842B1 (fr) | Turbomachine d'aeronef a reducteur epicycloidal | |
EP3430241A1 (fr) | Turboréacteur | |
FR2936775A1 (fr) | Dispositif d'entrainement des premier et deuxieme rotors de sustentation d'un giravion birotor en tandem | |
WO2016097635A1 (fr) | Turbomachine à hélice multi-diamètres | |
FR3019223A1 (fr) | Turbomoteur comprenant un dispositif de couplage mecanique commande, helicoptere equipe d'un tel turbomoteur et procede d'optimisation du regime de super-ralenti a puissance nulle d'un tel helicoptere | |
FR2990754A1 (fr) | Dispositif de mesure des amplitudes vibratoires des sommets d'aubes dans une turbomachine | |
EP3481723A1 (fr) | Dispositif de propulsion pour un aéronef, tel par exemple qu'un turbopropulseur | |
EP3013685B1 (fr) | Systeme de liaison a distance pour aeronef | |
FR2928976A1 (fr) | Systeme d'helices contrarotatives a helices entrainees par un train epicycloidal ameliore | |
WO2024033594A1 (fr) | Procédé d'assistance à la propulsion par détection d'une défaillance d'un turbomoteur d'un aéronef | |
WO2024033593A1 (fr) | Procédé de gestion de la sortie d'un mode de consommation spécifique d'un turbomoteur d'aéronef | |
EP0664455B1 (fr) | Tachymètre à effet magnéto-optique | |
FR3110236A1 (fr) | Dispositif de mesure du couple d’un arbre de turbomachine et turbomachine comprenant un tel dispositif | |
FR2995359A1 (fr) | Turbomachine, telle qu'un turboreacteur ou un turbopropulseur d'avion | |
FR3110713A1 (fr) | Fixation d’un miroir sur un support | |
WO1996009555A1 (fr) | Tachymetre magneto-optique |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201080004260.6 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 10706009 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2748961 Country of ref document: CA |
|
ENP | Entry into the national phase |
Ref document number: 2011544904 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 13143622 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2010706009 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2011133038 Country of ref document: RU |
|
REG | Reference to national code |
Ref country code: BR Ref legal event code: B01A Ref document number: PI1006106 Country of ref document: BR |
|
ENP | Entry into the national phase |
Ref document number: PI1006106 Country of ref document: BR Kind code of ref document: A2 Effective date: 20110707 |