DE102007047500A1 - Method and device for in-situ determination of the operating states of working machines - Google Patents
Method and device for in-situ determination of the operating states of working machines Download PDFInfo
- Publication number
- DE102007047500A1 DE102007047500A1 DE102007047500A DE102007047500A DE102007047500A1 DE 102007047500 A1 DE102007047500 A1 DE 102007047500A1 DE 102007047500 A DE102007047500 A DE 102007047500A DE 102007047500 A DE102007047500 A DE 102007047500A DE 102007047500 A1 DE102007047500 A1 DE 102007047500A1
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- DE
- Germany
- Prior art keywords
- drive shaft
- clamp
- strain sensors
- detection
- strain
- 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.)
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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
- G01L3/10—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
- G01L3/108—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving resistance strain gauges
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/008—Monitoring of down-hole pump systems, e.g. for the detection of "pumped-off" conditions
-
- 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
- G01L3/14—Rotary-transmission dynamometers wherein the torque-transmitting element is other than a torsionally-flexible shaft
- G01L3/1407—Rotary-transmission dynamometers wherein the torque-transmitting element is other than a torsionally-flexible shaft involving springs
- G01L3/1428—Rotary-transmission dynamometers wherein the torque-transmitting element is other than a torsionally-flexible shaft involving springs using electrical transducers
- G01L3/1457—Rotary-transmission dynamometers wherein the torque-transmitting element is other than a torsionally-flexible shaft involving springs using electrical transducers involving resistance strain gauges
-
- 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
- G01L5/12—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring axial thrust in a rotary shaft, e.g. of propulsion plants
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Geophysics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
Bei einem Verfahren zur In-situ-Bestimmung der Betriebszustände von Arbeitsmaschinen, insbesondere von Pumpen einschließlich Exzenterschneckenpumpen, wird derart vorgegangen, dass die Erfassung und Überwachung der Betriebszustände an der Antriebswelle (1) der Arbeitsmaschine erfolgt und mittels Dehnungssensoren, insbesondere mittels Dehnungsmessstreifen (2, 3), durchgeführt wird, die so angeordnet und angebracht werden, dass sie die Erfassung von Drehmoment (M) und Axiallast (Fax) der Antriebswelle (1) ermöglichen. Bei einer zur Durchführung dieses Verfahrens vorgesehenen Vorrichtung ist die Anordnung derart getroffen, dass sie als wenigstens zweiteilige Klemmschelle (4) zur lösbaren Anbringung an der Antriebswelle (1) ausgebildet ist, die innenseitig mit Dehungssensoren, insbesondere mit Dehnungsmessstreifen (2, 3), in einer solchen Anordnung und Anbringung versehen ist, dass diese die Erfassung von Drehmoment (M) und Axiallast (Fax) der Antriebswelle (1) ermöglichen.In a method for in-situ determination of the operating states of working machines, in particular of pumps, including progressing cavity pumps, the procedure is such that the detection and monitoring of the operating states takes place on the drive shaft (1) of the working machine and by means of strain sensors, in particular by means of strain gauges (2, 3), which are arranged and mounted so as to enable the detection of torque (M) and axial load (fax) of the drive shaft (1). In a device provided for carrying out this method, the arrangement is such that it is formed as at least two-part clamp (4) for releasable attachment to the drive shaft (1), the inside with strain sensors, in particular with strain gauges (2, 3), in such an arrangement and attachment is provided that they allow the detection of torque (M) and axial load (fax) of the drive shaft (1).
Description
Die Erfindung betrifft ein Verfahren zur In-Situ-Bestimmung der Betriebszustände von Arbeitsmaschinen, insbesondere von Pumpen einschließlich Exzenterschneckenpumpen, gemäß dem Oberbegriff des Anspruchs 1.The The invention relates to a method for in-situ determination of the operating states of Working machines, in particular pumps, including progressing cavity pumps, according to the generic term of claim 1.
Die Erfindung betrifft außerdem eine zur Durchführung dieses Verfahrens vorgesehene Vorrichtung gemäß dem Oberbegriff des Anspruchs 7.The Invention also relates one to carry This method provided device according to the preamble of the claim 7th
Arbeitsmaschinen der zur Rede stehenden Art, insbesondere Exzenterschneckenpumpen, werden seit geraumer Zeit als sog. Downhole-Pumpen in der Erdölförderung eingesetzt. Um deren Betrieb wirtschaftlich optimal zu gestalten und Störungen frühzeitig zu erkennen, sind bereits einige Überwachungsverfahren sowie -vorrichtungen zur In-Situ-Bestimmung der Betriebszustände solcher Arbeitsmaschinen bekannt. Diese sind allerdings zu teuer oder nicht zuverlässig genug, so dass aus diesem Grund kaum eine praktische Anwendung erfolgte.machinery the type in question, in particular eccentric screw pumps, have been known for some time as so-called downhole pumps in oil production used. To make their operation economically optimal and disorders early There are already some surveillance procedures as well devices for in-situ determination of the operating conditions of such Work machines known. These are too expensive or not reliable enough, so that hardly any practical application was made for this reason.
Der Erfindung liegt daher die Aufgabe zugrunde, zur Vermeidung der geschilderten Nachteile ein Verfahren sowie eine Vorrichtung zu schaffen, mittels denen auf einfa che und schnelle Weise die In-Situ-Bestimmung der Betriebszustände der jeweiligen Arbeitsmaschine, insbesondere einer Pumpe einschließlich einer Exzenterschneckenpumpe, möglich ist, um dadurch einen optimalen Maschinenbetrieb zu erzielen, falsche Betriebszustände zu vermeiden sowie eine frühzeitige Erkenntnis über Verschleiß zur erreichen, so dass unvorhergesehene Pumpenausfälle verhindert werden können.Of the The invention is therefore based on the object to avoid the described Disadvantages of providing a method and a device by means of in a simple and rapid way, the in situ determination of the operating conditions the respective work machine, in particular a pump including a Eccentric screw pump, possible is to achieve optimal machine operation, wrong operating conditions to avoid as well as early Knowledge about Wear to so that unforeseen pump failures can be prevented.
Die Merkmale des zur Lösung dieser Aufgabe geschaffenen Verfahrens der Erfindung ergeben sich aus Anspruch 1, während die Merkmale der zur Durchführung dieses Verfahrens geschaffenen Vorrichtung gemäß der Erfindung in Anspruch 7 beschrieben sind.The Features of the solution This task created method of the invention will become apparent from claim 1, while the characteristics of the implementation This method created device according to the invention in claim 7 are described.
Vorteilhafte Ausgestaltungen des erfindungsgemäßen Verfahrens bzw. der erfindungsgemäßen Vorrichtung sind in den jeweiligen Unteransprüchen aufgeführt.advantageous Embodiments of the method and the device according to the invention are listed in the respective subclaims.
Dem erfindungsgemäßen Verfahren liegt der Gedanke zugrunde, die Erfassung und Überwachung der Betriebszustände an der Antriebswelle der Arbeitsmaschine durchzuführen, und zwar mittels Dehnungssensoren, insbesondere mittels Dehnungsmessstreifen, die so angeordnet und angebracht werden, dass sie die Erfassung von Drehmoment und Axiallast der Antriebswelle ermöglichen.the inventive method The idea is based on the detection and monitoring of operating conditions at the Drive shaft of the working machine, by means of strain sensors, in particular by means of strain gauges arranged and be attached that they detect the torque and axial load allow the drive shaft.
Gemäß einer vorteilhaften Anwendung des erfindungsgemäßen Verfahrens werden die Dehnungssensoren direkt auf der Antriebswelle der Arbeitsmaschine angebracht.According to one Advantageous application of the method according to the invention are the strain sensors mounted directly on the drive shaft of the working machine.
Stattdessen und/oder zusätzlich hierzu ist es auch vorteilhaft, die Dehnungssensoren an einer gesonderten, die Antriebswelle lösbar umschließenden Vorrichtung anzubringen.Instead and / or additionally For this purpose, it is also advantageous, the strain sensors on a separate, the drive shaft detachable enclosing device to install.
Es liegt im Rahmen der Erfindung, dass die von den Dehnungssensoren erfassten Messsignale mittels eines Verstärkers verstärkt werden. Als Verstärker kann hierbei ein beliebiges System zur Anwendung kommen. Lediglich des Beispiels halber sei in diesem Zusammenhang das im Handel erhältliche V-Link-System von Microstrain erwähnt.It is within the scope of the invention, that of the strain sensors detected measuring signals are amplified by means of an amplifier. As an amplifier can Any system can be used here. Only the By way of example in this context is the commercially available V-link system mentioned by Microstrain.
In Ausgestaltung der Erfindung können die Messsignale sodann drahtlos an einen Empfänger übertragen werden.In Embodiment of the invention can the measurement signals are then transmitted wirelessly to a receiver.
Zweckmäßigerweise erfolgt die Integration der Messsignalerfassung sowie deren Auswertung in einem Personalcomputer. Wenn dann die Gesamtheit der erfassten Daten um solche Parameter, wie Förderdruck, Fördertemperatur sowie Fördermenge, gemessen am Antriebskopf der Arbeitsmaschine, erweitert wird, ergibt sich hieraus eine umfassende Überwachung und In-Situ-Bestimmung der Betriebszustände der Arbeitsmaschine.Conveniently, the integration of the measurement signal acquisition as well as its evaluation takes place in a personal computer. If then the entirety of the detected Data about such parameters as delivery pressure, Pumping temperature and flow rate, measured at the drive head of the working machine, is expanded, results from this a comprehensive monitoring and in-situ determination of the operating conditions of the working machine.
Die zur Durchführung des beschriebenen Verfahrens vorgesehene Vorrichtung gemäß der Erfindung ist als wenigstens zweiteilige Klemmschelle ausgebildet, die zur klemmenden, jedoch lösbaren Anbringung an der Antriebswelle der Arbeitsmaschine vorgesehen und innenseitig mit Dehnungssensoren, insbesondere mit Dehnungsmessstreifen, in einer solchen Anordnung und Anbringung versehen ist, dass diese die Erfassung von Drehmoment und Axiallast der Antriebswelle ermöglichen.The to carry out of the described method provided device according to the invention is designed as at least two-piece clamp, the clamping, but detachable attachment provided on the drive shaft of the machine and inside with strain sensors, in particular with strain gauges, in such an arrangement and attachment is provided that these allow the detection of torque and axial load of the drive shaft.
Zweckmäßigerweise sind die Dehnungssensoren in Vollbrückenschaltung an der Klemmschelle angeordnet. Eine besonders gute Handhabung ergibt sich, wenn die Klemmschelle dünnwandig ausgebildet ist.Conveniently, the strain sensors are arranged in full bridge circuit on the clamp. A particularly good handling results when the clamp thin-walled is trained.
Hierbei liegt es im Rahmen der Erfindung, dass die Klemmschelle aus einem Material mit geringem spezifischen Gewicht, insbesondere aus Aluminium, besteht.in this connection It is within the scope of the invention that the clamp from a Low specific gravity material, especially aluminum, consists.
Weitere Vorteile ergeben sich, wenn die Klemmschelle als längliches Bauteil ausgebildet ist, dass eine axial verlaufende Taillierung aufweist. Dies ermöglicht es, auf einfache Weise die Empfindlichkeit der als Messvorrichtung dienenden Klemmschelle nach Wunsch zu erhöhen.Further Benefits arise when the clamp as an elongated Component is formed, that an axially extending sidecut having. this makes possible it, in a simple way, the sensitivity of the as a measuring device to increase the serving clamp as desired.
Weiterhin kann es zweckmäßig sein, die Klemmschelle bei bestimmten Anwendungsfällen auszuwuchten, um dadurch unerwünschte Fremdeinflüsse bei den erfassten Messwerten auszuschließen.Farther it may be appropriate to balance the clamp in certain applications, thereby unwanted foreign influences at to exclude the measured values recorded.
Aus den auf diese Weise erzielten Messwerten sowie deren zeitlicher Änderung kann nun mit geringem Aufwand auf wesentliche Werte des Betriebszustandes der Arbeitsmaschine, insbesondere einer Exzenterschneckenpumpe, geschlossen werden, und zwar insbesondere auf den
- – Pumpenwirkungsgrad,
- – Veränderung des Fluidpegels im Wellengehäuse,
- – Quellvorgänge in der Pumpe,
- – Anstreifen der Antriebswelle im Wellengehäuse,
- – Trockenlauf der Pumpe,
- – Pumpenverschleiß usw.
- - pump efficiency,
- Change of the fluid level in the shaft housing,
- - swelling processes in the pump,
- - Stripping the drive shaft in the shaft housing,
- - dry running of the pump,
- - Pump wear, etc.
Insgesamt wird hierdurch ein optimaler Pumpenbetrieb ermöglicht. Außerdem lassen sich falsche Betriebszustände vermeiden. Nicht zuletzt lässt sich eine frühzeitige Erkenntnis über Pumpenverschleiß erzielen, so dass unvorhergesehene Pumpenausfälle vermieden werden können.All in all This allows optimal pump operation. In addition, incorrect operating conditions can be avoided. Last but not least an early one Knowledge about Achieve pump wear, so that unforeseen pump failures can be avoided.
Wie leicht erkennbar, kann die Erfindung mit Vorteil nicht nur bei den erwähnten Exzenterschneckenpumpen angewendet werden, sondern auch bei Pumpen allgemein, d. h. insbesondere bei solchen Arbeitsmaschinen, deren Wirkprinzip eine Axiallast an der Antriebswelle erzeugt. In diesem Zusammenhang seien lediglich des Beispiels halber Schraubenspindelpumpen, schräg verzahnte Drehkolbenpumpen usw., d. h. ganz allgemein rotierende Verdrängerpumpen genannt.As easily recognizable, the invention can be advantageous not only in the mentioned Progressing Cavity Pumps are applied, but also in pumps in general, d. H. especially in such machines, whose Operating principle generates an axial load on the drive shaft. In this Connection are only for the sake of example screw pumps, aslant geared rotary lobe pumps, etc., d. H. generally rotating displacement pumps called.
Die Erfindung wird im Folgenden anhand der Zeichnung näher erläutert. Hierbei zeigen:The The invention will be explained in more detail below with reference to the drawing. in this connection demonstrate:
Wie
aus der Zeichnung, insbesondere
Wie
deutlich aus
Die
eigentliche Messvorrichtung zur Erfassung des Drehmomentes M sowie
der Axiallast Fax der Antriebswelle
Wie
dargestellt, ist die Anbringung der Klemmschelle
Die
konstruktive Ausbildung der Klemmschelle
Die
Klemmschelle
Aus
Hinsichtlich vorstehend nicht näher erläuterter Merkmale der Erfindung wird ausdrücklich auf die Ansprüche sowie die Zeichnung verwiesen.Regarding not closer Illustrated Features of the invention is expressly to the claims as well the drawing referenced.
Claims (12)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007047500A DE102007047500A1 (en) | 2007-10-04 | 2007-10-04 | Method and device for in-situ determination of the operating states of working machines |
| EP08802779A EP2205828A2 (en) | 2007-10-04 | 2008-10-02 | Method and device for in situ determination of the operating states of driven machines |
| PCT/EP2008/008393 WO2009043589A2 (en) | 2007-10-04 | 2008-10-02 | Method and device for in situ determination of the operating states of driven machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007047500A DE102007047500A1 (en) | 2007-10-04 | 2007-10-04 | Method and device for in-situ determination of the operating states of working machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE102007047500A1 true DE102007047500A1 (en) | 2009-04-09 |
Family
ID=40418092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE102007047500A Withdrawn DE102007047500A1 (en) | 2007-10-04 | 2007-10-04 | Method and device for in-situ determination of the operating states of working machines |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2205828A2 (en) |
| DE (1) | DE102007047500A1 (en) |
| WO (1) | WO2009043589A2 (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010025520A1 (en) * | 2010-06-29 | 2011-12-29 | Voith Patent Gmbh | Torque detection device |
| CN102322988A (en) * | 2011-05-31 | 2012-01-18 | 中国航空动力机械研究所 | The method and the device of test universal joint axial force |
| WO2014056462A1 (en) * | 2012-10-12 | 2014-04-17 | Univerzita J. E. Purkyne V Usti Nad Labem | A device for fatigue bending tests |
| DE102013000090A1 (en) * | 2013-01-08 | 2014-07-10 | Ernst Manner | Telemetric torsion measurement system for detecting torque on shaft body with contactless signal transmission, has torsion sensor and sensor signal detection unit, which are provided on common substrate |
| CN104807577A (en) * | 2015-04-25 | 2015-07-29 | 成都诚邦动力测试仪器有限公司 | Torque sensor based on signal linear driving |
| CN104807573A (en) * | 2015-04-25 | 2015-07-29 | 成都诚邦动力测试仪器有限公司 | Torque sensor based on logic amplification processing |
| CN104807574A (en) * | 2015-04-25 | 2015-07-29 | 成都诚邦动力测试仪器有限公司 | Torque sensor based on voltage compensation |
| CN111706541A (en) * | 2020-07-01 | 2020-09-25 | 中国北方车辆研究所 | Method for measuring torque of cooling fan of tracked vehicle |
| DE102021103615A1 (en) | 2021-02-16 | 2022-08-18 | Vieweg GmbH Dosier- und Mischtechnik | Eccentric screw metering device and method for controlling an eccentric screw metering device |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9121258B2 (en) | 2010-11-08 | 2015-09-01 | Baker Hughes Incorporated | Sensor on a drilling apparatus |
| US9057247B2 (en) | 2012-02-21 | 2015-06-16 | Baker Hughes Incorporated | Measurement of downhole component stress and surface conditions |
| CN106089190A (en) * | 2016-06-08 | 2016-11-09 | 中国石油天然气股份有限公司 | A ground simulation experiment device and method for solid-liquid-gas three-phase flow of oil production screw pump |
| DE112020002417T5 (en) * | 2019-05-17 | 2022-02-24 | Massachusetts Institute Of Technology | Apparatus and method for monitoring the integrity and performance of a mechanical system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4215306A1 (en) * | 1992-05-09 | 1993-11-11 | Philips Patentverwaltung | Strain transformer for torque measurement of a cylindrical shaft |
| DE4021914C2 (en) * | 1989-07-24 | 1999-03-11 | Roland Adam Dipl Ing Renz | Method and device for detecting the torque transmitted by a shaft between a test object and a testing machine |
| DE19857770A1 (en) * | 1998-12-07 | 2000-06-08 | Mannesmann Ag | Torque measuring device for use with rotating components,e.g. shafts, sealed in metal protection ring |
| DE10139524A1 (en) * | 2001-08-10 | 2003-02-20 | Sms Demag Ag | Device for detecting loading of rotating components comprises a strain gauge and a protective ring that is attached to the component with the ring incorporating an antenna for wireless receipt of power and transmission of signals |
| DE10153208A1 (en) * | 2001-10-27 | 2003-05-15 | Bosch Gmbh Robert | Process for producing a sensor element and its use |
| DE102004058919A1 (en) * | 2003-12-17 | 2005-07-21 | Sauer-Danfoss Inc. | Method and means for monitoring torque in a hydraulic drive unit |
| DE10023961B4 (en) * | 2000-05-16 | 2006-10-19 | Sew-Eurodrive Gmbh & Co. Kg | System for measuring physical quantities on an axle or rotatable shaft |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3850030A (en) * | 1973-10-01 | 1974-11-26 | Acurex Corp | Apparatus for measuring the torsion of a rotating shaft |
| NL8303744A (en) * | 1983-10-31 | 1985-05-17 | Techno Diagnosis Bv | Shaft torsion measuring system - uses strain gauge detector mounted on rotating shaft and linked to indicating circuit by FM radio link |
| US5546817A (en) * | 1993-06-04 | 1996-08-20 | Liberty Technologies, Inc. | Stem torque sensor |
| DE10059917A1 (en) * | 2000-12-01 | 2002-06-06 | Cetex Chemnitzer Textilmaschin | Measurement hub sleeve to monitor the loading on machine shafts, and the like, is in two half-shells with flanges and fitted with the data transmission unit, to be fitted rapidly and easily to the shaft without force flow interruption |
-
2007
- 2007-10-04 DE DE102007047500A patent/DE102007047500A1/en not_active Withdrawn
-
2008
- 2008-10-02 WO PCT/EP2008/008393 patent/WO2009043589A2/en not_active Ceased
- 2008-10-02 EP EP08802779A patent/EP2205828A2/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4021914C2 (en) * | 1989-07-24 | 1999-03-11 | Roland Adam Dipl Ing Renz | Method and device for detecting the torque transmitted by a shaft between a test object and a testing machine |
| DE4215306A1 (en) * | 1992-05-09 | 1993-11-11 | Philips Patentverwaltung | Strain transformer for torque measurement of a cylindrical shaft |
| DE19857770A1 (en) * | 1998-12-07 | 2000-06-08 | Mannesmann Ag | Torque measuring device for use with rotating components,e.g. shafts, sealed in metal protection ring |
| DE10023961B4 (en) * | 2000-05-16 | 2006-10-19 | Sew-Eurodrive Gmbh & Co. Kg | System for measuring physical quantities on an axle or rotatable shaft |
| DE10139524A1 (en) * | 2001-08-10 | 2003-02-20 | Sms Demag Ag | Device for detecting loading of rotating components comprises a strain gauge and a protective ring that is attached to the component with the ring incorporating an antenna for wireless receipt of power and transmission of signals |
| DE10153208A1 (en) * | 2001-10-27 | 2003-05-15 | Bosch Gmbh Robert | Process for producing a sensor element and its use |
| DE102004058919A1 (en) * | 2003-12-17 | 2005-07-21 | Sauer-Danfoss Inc. | Method and means for monitoring torque in a hydraulic drive unit |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010025520A1 (en) * | 2010-06-29 | 2011-12-29 | Voith Patent Gmbh | Torque detection device |
| EP2402729A1 (en) | 2010-06-29 | 2012-01-04 | Voith Patent GmbH | Torque measurement device |
| CN102322988A (en) * | 2011-05-31 | 2012-01-18 | 中国航空动力机械研究所 | The method and the device of test universal joint axial force |
| WO2014056462A1 (en) * | 2012-10-12 | 2014-04-17 | Univerzita J. E. Purkyne V Usti Nad Labem | A device for fatigue bending tests |
| DE102013000090A1 (en) * | 2013-01-08 | 2014-07-10 | Ernst Manner | Telemetric torsion measurement system for detecting torque on shaft body with contactless signal transmission, has torsion sensor and sensor signal detection unit, which are provided on common substrate |
| CN104807577A (en) * | 2015-04-25 | 2015-07-29 | 成都诚邦动力测试仪器有限公司 | Torque sensor based on signal linear driving |
| CN104807573A (en) * | 2015-04-25 | 2015-07-29 | 成都诚邦动力测试仪器有限公司 | Torque sensor based on logic amplification processing |
| CN104807574A (en) * | 2015-04-25 | 2015-07-29 | 成都诚邦动力测试仪器有限公司 | Torque sensor based on voltage compensation |
| CN111706541A (en) * | 2020-07-01 | 2020-09-25 | 中国北方车辆研究所 | Method for measuring torque of cooling fan of tracked vehicle |
| DE102021103615A1 (en) | 2021-02-16 | 2022-08-18 | Vieweg GmbH Dosier- und Mischtechnik | Eccentric screw metering device and method for controlling an eccentric screw metering device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009043589A3 (en) | 2009-06-18 |
| WO2009043589A2 (en) | 2009-04-09 |
| EP2205828A2 (en) | 2010-07-14 |
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