DE102004031810A1 - System for generating electrical energy for electronic components - Google Patents
System for generating electrical energy for electronic components Download PDFInfo
- Publication number
- DE102004031810A1 DE102004031810A1 DE102004031810A DE102004031810A DE102004031810A1 DE 102004031810 A1 DE102004031810 A1 DE 102004031810A1 DE 102004031810 A DE102004031810 A DE 102004031810A DE 102004031810 A DE102004031810 A DE 102004031810A DE 102004031810 A1 DE102004031810 A1 DE 102004031810A1
- Authority
- DE
- Germany
- Prior art keywords
- piezoelectric element
- tire
- transponder
- piezoelectric
- electrical energy
- 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.)
- Granted
Links
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- 238000005452 bending Methods 0.000 claims description 16
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- 238000011156 evaluation Methods 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 5
- UNILWMWFPHPYOR-KXEYIPSPSA-M 1-[6-[2-[3-[3-[3-[2-[2-[3-[[2-[2-[[(2r)-1-[[2-[[(2r)-1-[3-[2-[2-[3-[[2-(2-amino-2-oxoethoxy)acetyl]amino]propoxy]ethoxy]ethoxy]propylamino]-3-hydroxy-1-oxopropan-2-yl]amino]-2-oxoethyl]amino]-3-[(2r)-2,3-di(hexadecanoyloxy)propyl]sulfanyl-1-oxopropan-2-yl Chemical compound O=C1C(SCCC(=O)NCCCOCCOCCOCCCNC(=O)COCC(=O)N[C@@H](CSC[C@@H](COC(=O)CCCCCCCCCCCCCCC)OC(=O)CCCCCCCCCCCCCCC)C(=O)NCC(=O)N[C@H](CO)C(=O)NCCCOCCOCCOCCCNC(=O)COCC(N)=O)CC(=O)N1CCNC(=O)CCCCCN\1C2=CC=C(S([O-])(=O)=O)C=C2CC/1=C/C=C/C=C/C1=[N+](CC)C2=CC=C(S([O-])(=O)=O)C=C2C1 UNILWMWFPHPYOR-KXEYIPSPSA-M 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
- B60C23/041—Means for supplying power to the signal- transmitting means on the wheel
- B60C23/0411—Piezo-electric generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0486—Signalling devices actuated by tyre pressure mounted on the wheel or tyre comprising additional sensors in the wheel or tyre mounted monitoring device, e.g. movement sensors, microphones or earth magnetic field sensors
- B60C23/0488—Movement sensor, e.g. for sensing angular speed, acceleration or centripetal force
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
Abstract
Die Erfindung betrifft ein System zur Erzeugung elektrischer Energie für elektronische Komponenten mit einem piezoelektrischen Element (1, 11, 110), das in einem Fahrzeugluftreifen angeordnet ist, der einen an der Außenseite angeordneten Laufstreifen (2) aufweist. Das piezoelektrische Element (1, 11, 110) ist an der Reifeninnenseite dem Laufstreifen (2) gegenüberliegend angeordnet.The invention relates to a system for generating electrical energy for electronic components with a piezoelectric element (1, 11, 110), which is arranged in a pneumatic vehicle tire having a tread (2) arranged on the outside. The piezoelectric element (1, 11, 110) is arranged on the inside of the tire opposite the tread (2).
Description
Die Erfindung betrifft ein System zur Erzeugung elektrischer Energie für elektronische Komponenten mit einem piezoelektrischen Element, das auf einem Fahrzeugluftreifen angeordnet ist, der einen an der Außenseite angeordneten Laufstreifen aufweist.The The invention relates to a system for generating electrical energy for electronic Components with a piezoelectric element mounted on a pneumatic vehicle tire is arranged, which has a tread arranged on the outside having.
Fahrzeugreifen, insbesondere Kraftfahrzeugreifen, werden zunehmend mit Transpondern ausgerüstet, die Informationen über den Reifen beinhlten bzw. aufnehmen und an Auswerteeinrichtungen am oder im Fahrzeug senden. Darüber hinaus können Betriebsparameter von Fahrzeugreifen, wie Temperatur oder Luftdruck, sowie die Laufleistung über entsprechende Sendeeinrichtungen aus dem Fahrzeugreifen an Auswerteeinheiten gesendet werden.Vehicle tires, in particular motor vehicle tires, are increasingly using transponders equipped, the information about The tires were or were in use and were sent to evaluation facilities on or in the vehicle. About that In addition, operating parameters of vehicle tires, such as temperature or air pressure, as well as the mileage over appropriate Sending devices sent from the vehicle tire to evaluation become.
Aus
der
Aufgabe der vorliegenden Erfindung ist es, ein verbessertes System bereitzustellen, das eine höhere Energieausbeute zulässt. Erfindungsgemäß wird diese Aufgabe durch ein System mit den Merkmalen des Anspruchs 1 gelöst. Vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen ausgeführt.task the present invention is to provide an improved system, the one higher Energy yield allows. According to the invention this Problem solved by a system having the features of claim 1. advantageous Further developments of the invention are set forth in the subclaims.
Das erfindungsgemäße System zur Erzeugung elektrischer Energie für elektronische Komponenten mit einem piezoelektrischen Element, das an einem Fahrzeugluftreifen angeordnet ist, die einen an der Außenseite angeordneten Laufstreifen aufweist, sieht vor, dass das piezoelektrische Element an der Reifeninnenseite dem Laufstreifen gegenüberliegend angeordnet ist. Es hat sich gezeigt, dass sich im Betrieb eines Fahrzeugreifens hohe, sprunghafte Änderungen bei den Zentripetalkräften einstellen, wenn beim Abrollen des Reifens der Übergang zur Reifenaufstandsfläche stattfindet. Dabei finden sowohl beim Auftreffen auf den Fahrbelag als auch beim Verlassen des Fahrbelages sehr hohe Sprünge im Verlauf der Zentripetalbeschleunigungen statt. Durch die hohen Beschleunigungswechsel ist es möglich, einen sehr großen piezoelektrischen Effekt damit eine große Menge elektrischer Energie zu erzeugen.The inventive system for generating electrical energy for electronic components with a piezoelectric element attached to a vehicle pneumatic tire is arranged, which has a tread arranged on the outside has, provides that the piezoelectric element on the tire inner side Opposite the tread is arranged. It has been shown that in the operation of a Vehicle tire set high, erratic changes in the centripetal forces, when transitioning to the tire footprint occurs when rolling the tire. Thereby find both the impact on the driving surface as well as the Leaving the driving surface very high jumps in the course of Zentripetalbeschleunigungen instead of. Due to the high acceleration change, it is possible to have a very big piezoelectric effect thus a large amount of electrical energy to create.
Eine Weiterbildung der Erfindung sieht vor, dass das piezoelektrische Element als ein Biegebalken, ein Piezostack mit aufeinandergestapelten piezoelektrischen Elementen oder als ein Torsionselement ausgebildet ist, das aufgrund der sprunghaften Wechsel im Verlauf der Zentripetalbeschleunigung elektrische Energie erzeugt. Durch die Drehbewegung des Reifens werden am Ort des piezoelektrischen Elementes Zentrifugal- und Zentripetalkräfte erzeugt. Diese wirken auf das Piezoelement je nach dessen Aufbau als Druck-, Biege-, Torsions- und/oder Scherkräfte, das elektrische Energie erzeugt. Die dominierende Kraftkomponente wird durch den gewählten mechanischen und elektrischen Aufbau des Piezoelementes bestimmt.A Development of the invention provides that the piezoelectric Element as a bending beam, a stacked piezostack piezoelectric elements or formed as a torsion element is due to the sudden change in the course of Zentripetalbeschleunigung electric Energy generated. The rotational movement of the tire will be in place of the piezoelectric element produces centrifugal and centripetal forces. These act on the piezoelectric element depending on its structure as a pressure, Bending, torsion and / or Shear forces, which generates electrical energy. The dominant component of force is chosen by the determined mechanical and electrical structure of the piezoelectric element.
Eine Weiterbildung der Erfindung sieht vor, dass das als Biegebalken ausgebildete piezoelektrische Element zwischen zwei Kontaktlücken gelagert ist, die wiederum über eine Gleichrichterschaltung mit einem Ladungsspeicher verbunden sind. Der Ladungsspeicher kann beispielsweise als Akku, Elko oder Kondensator, vorzugsweise Keramikkondensator, ausgebildet sein.A Development of the invention provides that as a bending beam formed piezoelectric element is mounted between two contact gaps, the turn over a rectifier circuit connected to a charge storage are. The charge storage, for example, as a battery, or Elko Capacitor, preferably ceramic capacitor may be formed.
Bei einer Ausbildung als übereinandergestapelte Piezoelemente in Gestalt eines Piezostacks ist dieser auf einer elektrisch leitfähigen Schicht angeordnet, um von dort die elektrische Energie zu dem Verbraucher oder dem elektrischen Ladungsspeicher zu leiten.at training as stacked Piezoelectric elements in the form of a piezo stack is this on one electrically conductive Layer arranged to get from there the electrical energy to the consumer or the electric charge storage device.
Vorzugsweise sind die piezoelektrischen Elemente oder das piezoelektrische Element auf einem Träger montiert, der auf oder in der Reifeninnenseite angeordnet ist. Auf diesem Träger sind auch die Gleichrichterschaltung und weitere Leitungselemente oder elektronische Bauteile angeordnet, die mit elektrischer Energie versorgt werden. Die Anordnung auf einem Träger hat den Vorteil eines mechanischen Schutzes der darauf angeordneten Komponenten.Preferably are the piezoelectric elements or the piezoelectric element on a carrier mounted, which is arranged on or in the tire inner side. On this carrier are also the rectifier circuit and other line elements or electronic components arranged with electrical energy be supplied. The arrangement on a carrier has the advantage of a mechanical protection the components arranged thereon.
Ein weitergehender Schutz des piezoelektrischen Elementes und der elektronischen Komponenten wird durch eine Abdeckung gewährt, die bevorzugt auf dem Träger angeordnet ist und die elektronischen Komponenten umfasst. Die Abdeckung ist wahlweise als ein festes Gehäuse oder als ein Globtop ausgebildet, wobei die hochelastische Glob-top-Hülle das piezoelektrische Element gegen eine Fixierung durch eine Vergussmasse schützt.One further protection of the piezoelectric element and the electronic Components are granted by a cover, which is preferred on the carrier is arranged and includes the electronic components. The cover is optionally available as a fixed housing or formed as a Globtop, wherein the highly elastic glob-top sheath the piezoelectric element against a fixation by a potting compound protects.
Eine Weiterbildung der Erfindung sieht vor, dass dem piezoelektrischen Element versetzt zueinander angeordnete Kontaktflächen zugeordnet sind, die zur Ermittlung von Quer- oder Längsbeschleunigung mit einer Auswerteschaltung verbunden sind. Auf diese Art und Weise kann z.B. die Drehrichtung des Reifens damit die Bewegungsrichtung des Fahrzeugreifens und des Fahrzeuges erkannt werden.A development of the invention provides in that the piezoelectric element is associated with offset contact surfaces which are connected to an evaluation circuit for determining transverse or longitudinal acceleration. In this way, for example, the direction of rotation of the tire so that the direction of movement of the vehicle tire and the vehicle can be detected.
Das System sieht weiterhin vor, dass ein Transponder oder eine Sendeeinrichtung zum Übermitteln gespeicherter oder ermittelter Daten bezüglich des Reifens mit dem piezoelektrischen Element verbunden ist und von diesem mit Energie versorgt wird.The System further provides that a transponder or a transmitting device to submit stored or determined data relating to the tire with the piezoelectric Element is connected and powered by this.
Zur Erhöhung des piezoelektrischen Effektes ist auf dem piezoelektrischen Element zumindest eine seismische Masse angeordnet, vorzugsweise bildet der Transponder diese seismische Masse.to increase of the piezoelectric effect is on the piezoelectric element arranged at least one seismic mass, preferably forms the transponder this seismic mass.
Eine Befestigung des piezoelektrischen Elementes an der Reifeninnenseite ist über ein Band oder einen Gurt ausgeführt, eine Vergussmasse schützt den Transponder vor Beschädigungen.A Attachment of the piezoelectric element to the inside of the tire is over running a band or a belt, protects a potting compound the transponder from damage.
Nachfolgend werden Ausführungsbeispiele der Erfindung anhand der beigefügten Figuren näher erläutert. Gleiche Bezugszeichen in unterschiedlichen Figuren bezeichnen gleiche Komponenten. Es zeigen:following Be exemplary embodiments of Invention with reference to the attached Figures explained in more detail. Same Reference numerals in different figures indicate like components. Show it:
In
der
In
der
Die
Um
die Bewegungsfreiheit des Biegebalkens
Durch
die Beschleunigungskräfte,
wie sie in der
In
der
Eine
alternative Ausgestaltung des piezoelektrischen Elementes ist in
der
Eine
alternative Ausgestaltung des Piezogenerators
In
der
Durch
den grundsätzlichen
Aufbau und die Anordnung eines Sensortransponders
Insbesondere
beim Übergang
in und aus der Reifenaufstandsfläche
wirken hohe Änderungen
der Beschleunigungskräfte
auf das piezoelektrische Element, die zu Ladungsverschiebungen führen. Die
mit dem piezoelektrischen Element verbundene Gleichrichterschaltung
polarisiert diese Ladung und speichert sie in einem Ladungsmengenspeicher,
beispielsweise Kondensator
Die
durch das piezoelektrische Element erzeugte Energie kann über leistungsstarke
Kondensatoren gesammelt werden. Diese Energie wird zur Versorgung
der ECU
In
der
Claims (14)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004031810.7A DE102004031810B4 (en) | 2004-07-01 | 2004-07-01 | System for generating electrical energy for electronic components |
PCT/EP2005/052238 WO2006003052A1 (en) | 2004-07-01 | 2005-05-17 | System for generating electrical energy for electrical components |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004031810.7A DE102004031810B4 (en) | 2004-07-01 | 2004-07-01 | System for generating electrical energy for electronic components |
Publications (2)
Publication Number | Publication Date |
---|---|
DE102004031810A1 true DE102004031810A1 (en) | 2006-01-26 |
DE102004031810B4 DE102004031810B4 (en) | 2017-11-09 |
Family
ID=35511440
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102004031810.7A Active DE102004031810B4 (en) | 2004-07-01 | 2004-07-01 | System for generating electrical energy for electronic components |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE102004031810B4 (en) |
WO (1) | WO2006003052A1 (en) |
Cited By (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007099159A1 (en) * | 2006-03-02 | 2007-09-07 | Continental Teves Ag & Co. Ohg | Tyre module with piezoelectric converter |
WO2007147675A1 (en) * | 2006-06-21 | 2007-12-27 | Robert Bosch Gmbh | Method for measuring the air pressure in a vehicle tyre |
WO2008017537A2 (en) * | 2006-08-11 | 2008-02-14 | Robert Bosch Gmbh | Piezo element for sensor power supply |
WO2008017531A1 (en) * | 2006-08-09 | 2008-02-14 | Robert Bosch Gmbh | Circuit module |
DE102007010782A1 (en) * | 2006-03-02 | 2008-02-14 | Continental Teves Ag & Co. Ohg | Tire module with piezoelectric converter for use in vehicle, has housing section, which protects each elastic flexing portion of piezoelectric material from excessive flexing |
WO2008034825A1 (en) * | 2006-09-19 | 2008-03-27 | Continental Teves Ag & Co. Ohg | Tyre module with piezoelectric transducer |
WO2008083872A1 (en) * | 2007-01-09 | 2008-07-17 | Robert Bosch Gmbh | Energy-generating device for a tyre sensor module |
DE102008012659A1 (en) | 2007-04-16 | 2008-10-23 | Continental Teves Ag & Co. Ohg | Tire module with piezoelectric transducer |
DE102008029534A1 (en) | 2007-08-24 | 2009-02-26 | Continental Teves Ag & Co. Ohg | Tire module for use in tire monitoring system for detecting e.g. tire pressure, of motor vehicle, has flexible element fastened to upper module part by bracket and deformed through mechanical interaction with lower module part |
DE102008035486A1 (en) | 2007-08-31 | 2009-03-05 | Continental Teves Ag & Co. Ohg | Tire module and method for signal conditioning |
DE102007041920A1 (en) * | 2007-09-04 | 2009-03-05 | Siemens Ag | Piezoelectric micro energy transducer for electricity or power supply of tire pressure control system for monitoring or control of physical dimension of tire lane system, has two electrode structures and piezoelectric structure |
DE102009034334A1 (en) | 2008-08-27 | 2010-03-11 | Continental Teves Ag & Co. Ohg | Wheel module e.g. tire module, for detecting tire condition variable in tire pressure monitoring system for motor vehicle, has electrically conductive connection provided between electrical or electronic components |
DE102008046270A1 (en) * | 2008-09-08 | 2010-03-18 | Continental Automotive France | Direction indicator and method for determining the direction of rotation of a wheel |
US8035502B2 (en) | 2006-03-02 | 2011-10-11 | Continental Teves Ag & Co. Ohg | Tire module with piezoelectric converter |
DE102010038136A1 (en) | 2010-10-12 | 2012-04-12 | Borgwarner Beru Systems Gmbh | Tire module and tire fitted with it |
EP2375431A3 (en) * | 2010-04-09 | 2013-04-03 | EnOcean GmbH | Transmission device |
WO2013131704A1 (en) * | 2012-03-06 | 2013-09-12 | Contitech Transportbandsysteme Gmbh | Piezoelectric energy converter |
WO2013153088A1 (en) | 2012-04-11 | 2013-10-17 | Huf Hülsbeck & Fürst Gmbh & Co. Kg | Tyre module with piezo‑electric transducer and tyre equipped therewith |
DE102012007071A1 (en) | 2012-04-11 | 2013-10-17 | Huf Hülsbeck & Fürst Gmbh & Co. Kg | Tire module mounted to inner surface of pneumatic tire for vehicle, has storage for electrical energy, which is connected to mechanical-electrical converter, and contact pads are located on opposite sides of piezoelectric disc |
DE102007007016B4 (en) * | 2006-02-08 | 2016-01-14 | Continental Teves Ag & Co. Ohg | tire module |
DE102007010780B4 (en) * | 2006-03-02 | 2016-01-28 | Continental Teves Ag & Co. Ohg | Tire module with piezoelectric transducer |
EP3816633A1 (en) * | 2019-10-29 | 2021-05-05 | ALSTOM Transport Technologies | System for detecting the velocity of a vehicle comprising at least a piezoelectric element fixed to at least one wheel and at least one additional sensor, and associated method and computer program |
DE102020121337A1 (en) | 2020-08-13 | 2022-02-17 | Tdk Electronics Ag | Piezoelectric transducer and method for adjusting the electromechanical properties of a piezoelectric transducer |
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DE102005062872A1 (en) * | 2005-09-16 | 2007-03-29 | Robert Bosch Gmbh | Piezoelectric ceramics as vibration sensors for roll detection in tire pressure systems |
EP2185371B1 (en) | 2007-07-18 | 2018-01-10 | Pirelli Tyre S.p.A. | Method and system for generating electrical energy within a vehicle tyre |
SG11201806579QA (en) | 2016-02-08 | 2018-09-27 | Mtpv Power Corp | Radiative micron-gap thermophotovoltaic system transparent emitter |
DE202018001843U1 (en) | 2018-04-12 | 2018-04-30 | Rudi Danz | Multifunctional modules for generating electrical energy on traffic routes for electromobility |
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2005
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Cited By (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007007016B4 (en) * | 2006-02-08 | 2016-01-14 | Continental Teves Ag & Co. Ohg | tire module |
DE102007010782B4 (en) * | 2006-03-02 | 2016-02-04 | Continental Teves Ag & Co. Ohg | Tire module with piezoelectric transducer |
WO2007099159A1 (en) * | 2006-03-02 | 2007-09-07 | Continental Teves Ag & Co. Ohg | Tyre module with piezoelectric converter |
US8035502B2 (en) | 2006-03-02 | 2011-10-11 | Continental Teves Ag & Co. Ohg | Tire module with piezoelectric converter |
DE102007010782A1 (en) * | 2006-03-02 | 2008-02-14 | Continental Teves Ag & Co. Ohg | Tire module with piezoelectric converter for use in vehicle, has housing section, which protects each elastic flexing portion of piezoelectric material from excessive flexing |
DE102007010780B4 (en) * | 2006-03-02 | 2016-01-28 | Continental Teves Ag & Co. Ohg | Tire module with piezoelectric transducer |
WO2007147675A1 (en) * | 2006-06-21 | 2007-12-27 | Robert Bosch Gmbh | Method for measuring the air pressure in a vehicle tyre |
WO2008017531A1 (en) * | 2006-08-09 | 2008-02-14 | Robert Bosch Gmbh | Circuit module |
WO2008017537A3 (en) * | 2006-08-11 | 2008-05-08 | Bosch Gmbh Robert | Piezo element for sensor power supply |
US8113059B2 (en) | 2006-08-11 | 2012-02-14 | Robert Bosch Gmbh | Circuit module |
WO2008017537A2 (en) * | 2006-08-11 | 2008-02-14 | Robert Bosch Gmbh | Piezo element for sensor power supply |
WO2008034825A1 (en) * | 2006-09-19 | 2008-03-27 | Continental Teves Ag & Co. Ohg | Tyre module with piezoelectric transducer |
WO2008083872A1 (en) * | 2007-01-09 | 2008-07-17 | Robert Bosch Gmbh | Energy-generating device for a tyre sensor module |
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DE102004031810B4 (en) | 2017-11-09 |
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