DE102012106908A1 - Torque sensing device for steering system, has rotationally fixed magnet associated with stator ring of soft magnetic material, which is arranged concentric to shaft portion, while collector plate is connected with sensor element - Google Patents
Torque sensing device for steering system, has rotationally fixed magnet associated with stator ring of soft magnetic material, which is arranged concentric to shaft portion, while collector plate is connected with sensor element Download PDFInfo
- Publication number
- DE102012106908A1 DE102012106908A1 DE201210106908 DE102012106908A DE102012106908A1 DE 102012106908 A1 DE102012106908 A1 DE 102012106908A1 DE 201210106908 DE201210106908 DE 201210106908 DE 102012106908 A DE102012106908 A DE 102012106908A DE 102012106908 A1 DE102012106908 A1 DE 102012106908A1
- Authority
- DE
- Germany
- Prior art keywords
- torque sensor
- sensor device
- collector plate
- steering
- sensor element
- 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.)
- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D6/00—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
- B62D6/08—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits responsive only to driver input torque
- B62D6/10—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits responsive only to driver input torque characterised by means for sensing or determining torque
-
- 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
- G01L3/101—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving magnetic or electromagnetic means
- G01L3/104—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving magnetic or electromagnetic means involving permanent magnets
-
- 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
- G01L5/22—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the force applied to control members, e.g. control members of vehicles, triggers
- G01L5/221—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the force applied to control members, e.g. control members of vehicles, triggers to steering wheels, e.g. for power assisted steering
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Steering Mechanism (AREA)
Abstract
Description
Die Erfindung bezieht sich auf eine Drehmomentsensoreinrichtung für ein Lenksystem nach dem Oberbegriff des Anspruches 1. The invention relates to a torque sensor device for a steering system according to the preamble of claim 1.
Aus der
Für eine hinreichend präzise Messung muss das Sensorelement in der Lage sein, die Änderung des Magnetfelds zu registrieren, welches von dem Magneten erzeugt wird. Hierbei kann es zweckmäßig sein, Statorbleche am Magneten sowie Sammlerbleche am Sensorelement vorzusehen, welche aus weichmagnetischem Material bestehen und magnetische Feldlinien zu leiten in der Lage sind. For a sufficiently accurate measurement, the sensor element must be able to register the change in the magnetic field generated by the magnet. It may be appropriate to provide stator laminations on the magnet and collector plates on the sensor element, which consist of soft magnetic material and to be able to conduct magnetic field lines in the situation.
Der Erfindung liegt die Aufgabe zugrunde, mit einfachen konstruktiven Maßnahmen eine Drehmomentsensoreinrichtung für ein Lenksystem anzugeben, das sich bei einem einfachen Aufbau durch eine hohe Präzision auszeichnet. The invention has for its object to provide with simple design measures a torque sensor device for a steering system, which is characterized by a high precision in a simple structure.
Diese Aufgabe wird erfindungsgemäß mit den Merkmalen des Anspruches 1 gelöst. Die Unteransprüche geben zweckmäßige Weiterbildungen an. This object is achieved with the features of claim 1. The dependent claims indicate expedient developments.
Die Drehmomentsensoreinrichtung kann in Lenksystemen eingesetzt werden, um das bei einer Lenkbewegung vom Fahrer erzeugte Lenkmoment zu ermitteln. Die Drehmomentsensoreinrichtung weist als Gebersystem einen Magneten auf, der mit einem ersten Wellenabschnitt der Lenkwelle verbunden ist, sowie als Empfängersystem ein Sensorelement, das mit einem zweiten Wellenabschnitt der Lenkwelle verbunden ist. Bei einer Lenkbewegung führen die Wellenabschnitte eine Relativdrehbewegung zueinander aus, welche sensiert wird und aus der auf das wirksame Drehmoment in der Lenkwelle geschlossen werden kann. Auch der Lenkwinkel selbst kann über die Drehmomentsensoreinrichtung ermittelt werden. Bei der Drehbewegung der Welle führt die Relativdrehbewegung zwischen den beiden Wellenabschnitten zu einer Magnetfeldänderung im Bereich des Sensorelementes, was dort registriert werden kann. The torque sensor device can be used in steering systems to determine the steering torque generated by the driver during a steering movement. The torque sensor device has as a donor system to a magnet which is connected to a first shaft portion of the steering shaft, and as a receiver system, a sensor element which is connected to a second shaft portion of the steering shaft. In a steering movement, the shaft portions perform a relative rotational movement to each other, which is sensed and from which it is possible to deduce the effective torque in the steering shaft. The steering angle itself can also be determined via the torque sensor device. During the rotational movement of the shaft, the relative rotational movement between the two shaft sections leads to a change in the magnetic field in the region of the sensor element, which can be registered there.
Dem Magneten ist ein Statorring aus einem weichmagnetischen Material zugeordnet, der ebenso wie der Magnet mit einem Wellenabschnitt der Lenkwelle bzw. einem mit dem Wellenabschnitt verbundenen Bauteil verbunden ist. Des Weiteren ist dem Sensorelement ein Sammlerblech zugeordnet, welches ebenfalls aus einem weichmagnetischen Material besteht und somit wie der Statorring in der Lage ist, Magnetfelder zu leiten. Das Sammlerblech ist gemeinsam mit dem Sensorelement am zweiten Wellenabschnitt der Lenkwelle bzw. einem damit verbundenen Bauteil verbunden. Sowohl der Statorring als auch das Sammlerblech haben die Funktion, das vom Magneten ausgehende Magnetfeld in Richtung des Sensorelementes zu leiten bzw. dort zu konzentrieren, um am Sensorelement eine höhere Magnetfelddichte zu erhalten und die Präzision bei der Drehmomentmessung zu verbessern. The magnet is associated with a stator of a soft magnetic material, which is like the magnet connected to a shaft portion of the steering shaft or a component connected to the shaft portion. Furthermore, the sensor element is associated with a collector plate, which also consists of a soft magnetic material and thus as the stator ring is able to conduct magnetic fields. The collector plate is connected together with the sensor element on the second shaft portion of the steering shaft or an associated component. Both the stator ring and the collector plate have the function of directing or concentrating the magnetic field emanating from the magnet in the direction of the sensor element in order to obtain a higher magnetic field density at the sensor element and to improve the precision in the torque measurement.
Für eine vereinfachte konstruktive Ausführung ist vorgesehen, dass das Sammlerblech, das mit dem Sensorelement verbunden ist, kreisbogenförmig ausgebildet und benachbart zum Außenumfang des Statorrings angeordnet ist. Zwischen dem Außenumfang des Statorrings und dem Sammlerblech besteht ein schmaler Luftspalt, so dass eine relative Drehbewegung zwischen dem Statorring und dem Sammlerblech möglich ist. Aufgrund der Anordnung des kreisbogenförmigen Sammlerblechs am Außenumfang des Statorrings genügen geringere Anforderungen an die Positionierungsgenauigkeit der Drehmomentsensoreinrichtung bei der Montage und insbesondere im Hinblick auf die relative Anordnung zwischen dem Statorring und dem Sammlerblech. Die axiale Relativposition zwischen dem Statorring und dem Sammlerblech kann ohne signifikante Einschränkung der Messgenauigkeit mit einer höheren Toleranz behaftet sein. For a simplified structural design is provided that the collector plate, which is connected to the sensor element, formed in a circular arc and adjacent to the outer periphery of the stator ring is arranged. There is a narrow air gap between the outer circumference of the stator ring and the collector plate, so that a relative rotational movement between the stator ring and the collector plate is possible. Due to the arrangement of the arcuate collector plate on the outer circumference of the stator ring meet lower requirements for the positioning accuracy of the torque sensor device during assembly and in particular with regard to the relative arrangement between the stator and the collector plate. The axial relative position between the stator ring and the collector plate can be associated with a higher tolerance without significant limitation of the measurement accuracy.
Der Statorring kann im radial außenliegenden Abschnitt axial abgekröpft sein, insbesondere gegenüber der Ebene des Statorrings in einem 90°-Winkel umgebogen sein, wodurch die radial außen liegende Mantelfläche streifenförmig ausgeführt ist, die mit dem Sammlerblech zusammenwirkt. Aufgrund der streifenförmigen Mantelfläche des Statorrings erhält man eine größere Fläche am Statorring zum Leiten des Magnetfelds. The stator can be axially bent in the radially outer portion, in particular be bent over the plane of the stator at a 90 ° angle, whereby the radially outer lateral surface is designed strip-shaped, which cooperates with the collector plate. Due to the strip-shaped lateral surface of the stator ring, a larger area is obtained on the stator ring for conducting the magnetic field.
Gemäß einer zweckmäßigen Ausführung liegt das Sammlerblech ausschließlich am Außenumfang des Statorringes, ohne den Statorring axial an einer Seite zu übergreifen. Aufgrund der kreisbogenförmigen Ausführung des Sammlerblechs und der konzentrischen Anordnung des Sammlerblechs zum Außenumfang des Statorrings besteht über die Länge des Sammlerblechs – in Umfangsrichtung gesehen – ein konstanter radialer Abstand zum Außenumfang des Statorrings, was das Weiterleiten des Magnetfeldes vom Statorring zum Sammlerblech bis zum Sensorelement unterstützt und verbessert. According to an expedient embodiment, the collector plate is located exclusively on the outer circumference of the stator ring, without overlapping the stator ring axially on one side. Due to the circular arc-shaped design of the collector plate and the concentric arrangement of the collector plate to the outer circumference of the stator is over the length of the collector plate - seen in the circumferential direction - a constant radial distance to the outer circumference of the stator ring, which is the forwarding of Supported and improved magnetic field from the stator to the collector plate to the sensor element.
Gemäß einer weiteren vorteilhaften Ausführung sind zwei parallele Statorringe vorgesehen, denen jeweils ein kreisbogenförmiges und konzentrisch zum Außenumfang des Statorrings angeordnetes Sammlerblech zugeordnet ist. Des Weiteren kann es vorteilhaft sein, zwei Sensorelemente vorzusehen, welche insbesondere in Umfangsrichtung beabstandet zueinander, jedoch axial in gleicher Höhe angeordnet sind. Das Sammlerblech bzw. die Sammlerbleche sind vorzugsweise mit beiden Sensorelementen verbunden. Beide Statorringe können im radial außenliegenden Abschnitt axial abgekröpft sein, insbesondere in axial entgegengesetzte Richtungen. According to a further advantageous embodiment, two parallel stator rings are provided, each of which is assigned a circular arc-shaped and concentric with the outer periphery of the stator ring arranged collector plate. Furthermore, it may be advantageous to provide two sensor elements, which are spaced apart in particular in the circumferential direction, but are arranged axially at the same height. The collector plate or collector plates are preferably connected to both sensor elements. Both stator rings can be bent axially in the radially outer portion, in particular in axially opposite directions.
Am Sensorelement bzw. den Sensorelementen kann eine Platine mit elektronischen Bauteilen angeordnet sein, um die sensierten Daten auszuwerten und aus der Lenkwinkeländerung zwischen den beiden Wellenabschnitten das wirksame Drehmoment zu ermitteln. Sammlerblech, Sensorelement und Platine bilden eine zusammengehörende Einheit, die gegebenenfalls in einem Trägerelement aufgenommen sein kann, beispielsweise einem Kunststoff-Trägerelement, welches zum Beispiel im Spritzgießverfahren hergestellt werden kann. A circuit board with electronic components can be arranged on the sensor element or the sensor elements in order to evaluate the sensed data and to determine the effective torque from the change in the steering angle between the two shaft sections. Collector plate, sensor element and board form a coherent unit, which may optionally be included in a carrier element, for example a plastic carrier element, which can be produced for example by injection molding.
Gemäß einer weiteren zweckmäßigen Ausführung erstreckt sich das Sammlerblech über ein Winkelsegment kleiner als 45°, insbesondere 30°. According to a further expedient embodiment, the collector plate extends over an angular segment smaller than 45 °, in particular 30 °.
Die Drehmomentsensoreinrichtung kann mit einem Gehäusetopf versehen sein, der zur Aufnahme des Sensorelementes dient und insbesondere mit einem Lenkgehäuse verbunden, jedoch als separates Bauteil ausgeführt ist. Der Gehäusetopf ist von einem Deckel verschließbar. Gehäusetopf und Deckel weisen zweckmäßigerweise jeweils eine Ausnehmung für die Lenkwelle bzw. einen der Lenkwellenabschnitte auf. Auch der bzw. die Statorringe sind zweckmäßigerweise um einen Lenkwellenabschnitt gelegt. Das Sensorelement der Drehmomentsensoreinrichtung ist entweder im Gehäusetopf aufgenommen oder befindet sich an der Innenseite des Deckels, mit dem der Gehäusetopf verschließbar ist. Soweit das Sensorelement mit dem Sammlerblech und der Platine eine Einheit bildet, insbesondere in Verbindung mit dem Trägerelement, ist diese Einheit insgesamt in den Gehäusetopf eingesetzt bzw. an der Deckelinnenseite befestigt. Zur Montage kann die Einheit entweder radial über eine Öffnung in den Gehäusetopf eingeführt oder axial in den Gehäusetopf eingesetzt werden. The torque sensor device may be provided with a housing pot, which serves to receive the sensor element and in particular connected to a steering housing, but is designed as a separate component. The housing pot can be closed by a lid. Housing pot and lid expediently each have a recess for the steering shaft or one of the steering shaft sections. Also, the stator or the rings are suitably placed around a steering shaft section. The sensor element of the torque sensor device is either received in the housing pot or is located on the inside of the lid, with which the housing pot can be closed. As far as the sensor element with the collector plate and the circuit board forms a unit, in particular in conjunction with the carrier element, this unit is used in total in the housing pot or attached to the inside of the cover. For assembly, the unit can either be introduced radially through an opening in the housing pot or inserted axially into the housing pot.
Weitere Vorteile und zweckmäßige Ausführungen sind den weiteren Ansprüchen, der Figurenbeschreibung und den Zeichnungen zu entnehmen. Es zeigen: Further advantages and expedient embodiments can be taken from the further claims, the description of the figures and the drawings. Show it:
In den Figuren sind gleiche Bauteile mit gleichen Bezugszeichen versehen. In the figures, the same components are provided with the same reference numerals.
In
In die Lenkwelle
In
Die Drehmomentsensoreinrichtung
Die beiden Sammlerbleche
Die Statorringe
In
Die Empfängereinheit
Im Ausführungsbeispiel gemäß den
Der Gehäusetopf
Im Ausführungsbeispiel gemäß
In den
Das Ausführungsbeispiel gemäß
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 1 1
- Lenksystem steering system
- 2 2
- Lenkrad steering wheel
- 3 3
- Lenkwelle steering shaft
- 4 4
- Lenkgetriebe steering gear
- 5 5
- Lenkgestänge steering linkage
- 6 6
- Vorderrad front
- 7 7
- Drehmomentsensoreinrichtung Torque sensor device
- 8 8th
- Empfängereinheit receiver unit
- 9 9
- Sensorelement sensor element
- 10 10
- Sammlerblech collector plate
- 11 11
- Elektronikplatine electronic board
- 12 12
- Magnet magnet
- 13 13
- Statorring stator
- 14 14
- Stirnabschnitt front section
- 15 15
- Trägerelement support element
- 16 16
- Gehäusetopf housing pot
- 17 17
- Deckel cover
- 18 18
- Steckerschacht plug shaft
- 19 19
- Flexfolie Flexfolie
- 20 20
- Stutzen Support
- 21 21
- Steckerstutzen plug socket
- 22 22
- Kabelschwanz pigtail
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 102007022282 A1 [0002] DE 102007022282 A1 [0002]
Claims (11)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201210106908 DE102012106908A1 (en) | 2012-07-30 | 2012-07-30 | Torque sensing device for steering system, has rotationally fixed magnet associated with stator ring of soft magnetic material, which is arranged concentric to shaft portion, while collector plate is connected with sensor element |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201210106908 DE102012106908A1 (en) | 2012-07-30 | 2012-07-30 | Torque sensing device for steering system, has rotationally fixed magnet associated with stator ring of soft magnetic material, which is arranged concentric to shaft portion, while collector plate is connected with sensor element |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102012106908A1 true DE102012106908A1 (en) | 2014-01-30 |
Family
ID=49912134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE201210106908 Withdrawn DE102012106908A1 (en) | 2012-07-30 | 2012-07-30 | Torque sensing device for steering system, has rotationally fixed magnet associated with stator ring of soft magnetic material, which is arranged concentric to shaft portion, while collector plate is connected with sensor element |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102012106908A1 (en) |
Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10108883A1 (en) * | 2000-04-15 | 2001-10-31 | Volkswagen Ag | Torque sensor for input shaft of motor vehicle steering gear has magnetic field sensor for detecting magnet on rotating body |
DE10307703A1 (en) * | 2002-02-21 | 2003-09-25 | Visteon Global Tech Inc | Torque sensor with flow collector brush |
DE102004023801A1 (en) * | 2004-01-20 | 2005-08-25 | Valeo Schalter Und Sensoren Gmbh | Steering angle sensor for use on road vehicle to determine resultant torque applied to steering column uses two relatively rotatable shaft portions and has multi-pole magnet ring and stator holder |
DE102005038514A1 (en) * | 2005-07-29 | 2007-02-01 | Valeo Schalter Und Sensoren Gmbh | Torque sensor for motor vehicle, has mating plug that is inserted in receiving opening of housing part and then locked in fluid-tight manner and plug connector that is arranged at static sensor unit in fixed and axial relocatable manner |
KR20080006308A (en) * | 2006-07-12 | 2008-01-16 | 엘지이노텍 주식회사 | Apparatus for detecting torque |
DE102007059361A1 (en) * | 2006-12-07 | 2008-09-18 | Continental Teves Ag & Co. Ohg | Torque sensor assembly |
DE102007022282A1 (en) | 2007-05-12 | 2008-11-13 | Volkswagen Ag | Steering shaft for motor vehicle, has annular gap between inner peripheral surface of collar and outer peripheral surface area of shaft section and accessible for radiation with UV-light, after suspension of transmitter unit |
DE102007028483A1 (en) * | 2007-06-21 | 2008-12-24 | Robert Bosch Gmbh | sensor arrangement |
DE102007057292A1 (en) * | 2007-11-28 | 2009-06-04 | Valeo Schalter Und Sensoren Gmbh | Fastening device for e.g. torque sensor and rotational angle sensor arrangements, for motor vehicle, has dynamic and static units fixed axially and radially with one another before mounting in such manner that units are mounted together |
DE102008009290A1 (en) * | 2008-02-15 | 2009-08-20 | Volkswagen Ag | Sensor unit for detecting relative rotation between input shafts in e.g. steering assistance of vehicle, has outer housing accommodating signal processing device, and including projection protruded in direction of receiver device |
JP2009271055A (en) * | 2008-04-10 | 2009-11-19 | Nsk Ltd | Torque detector, electric power steering device, and manufacturing method of torque detector |
DE102010061851A1 (en) * | 2009-11-24 | 2011-09-01 | Continental Teves Ag & Co. Ohg | torque sensor |
EP2433848A2 (en) * | 2010-09-27 | 2012-03-28 | Bourns, Inc. | Three-piece torque sensor assembly |
DE102011079050A1 (en) * | 2011-07-13 | 2013-01-17 | Robert Bosch Gmbh | Method for populating a printed circuit board |
-
2012
- 2012-07-30 DE DE201210106908 patent/DE102012106908A1/en not_active Withdrawn
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10108883A1 (en) * | 2000-04-15 | 2001-10-31 | Volkswagen Ag | Torque sensor for input shaft of motor vehicle steering gear has magnetic field sensor for detecting magnet on rotating body |
DE10307703A1 (en) * | 2002-02-21 | 2003-09-25 | Visteon Global Tech Inc | Torque sensor with flow collector brush |
DE102004023801A1 (en) * | 2004-01-20 | 2005-08-25 | Valeo Schalter Und Sensoren Gmbh | Steering angle sensor for use on road vehicle to determine resultant torque applied to steering column uses two relatively rotatable shaft portions and has multi-pole magnet ring and stator holder |
DE102005038514A1 (en) * | 2005-07-29 | 2007-02-01 | Valeo Schalter Und Sensoren Gmbh | Torque sensor for motor vehicle, has mating plug that is inserted in receiving opening of housing part and then locked in fluid-tight manner and plug connector that is arranged at static sensor unit in fixed and axial relocatable manner |
KR20080006308A (en) * | 2006-07-12 | 2008-01-16 | 엘지이노텍 주식회사 | Apparatus for detecting torque |
DE102007059361A1 (en) * | 2006-12-07 | 2008-09-18 | Continental Teves Ag & Co. Ohg | Torque sensor assembly |
DE102007022282A1 (en) | 2007-05-12 | 2008-11-13 | Volkswagen Ag | Steering shaft for motor vehicle, has annular gap between inner peripheral surface of collar and outer peripheral surface area of shaft section and accessible for radiation with UV-light, after suspension of transmitter unit |
DE102007028483A1 (en) * | 2007-06-21 | 2008-12-24 | Robert Bosch Gmbh | sensor arrangement |
DE102007057292A1 (en) * | 2007-11-28 | 2009-06-04 | Valeo Schalter Und Sensoren Gmbh | Fastening device for e.g. torque sensor and rotational angle sensor arrangements, for motor vehicle, has dynamic and static units fixed axially and radially with one another before mounting in such manner that units are mounted together |
DE102008009290A1 (en) * | 2008-02-15 | 2009-08-20 | Volkswagen Ag | Sensor unit for detecting relative rotation between input shafts in e.g. steering assistance of vehicle, has outer housing accommodating signal processing device, and including projection protruded in direction of receiver device |
JP2009271055A (en) * | 2008-04-10 | 2009-11-19 | Nsk Ltd | Torque detector, electric power steering device, and manufacturing method of torque detector |
DE102010061851A1 (en) * | 2009-11-24 | 2011-09-01 | Continental Teves Ag & Co. Ohg | torque sensor |
EP2433848A2 (en) * | 2010-09-27 | 2012-03-28 | Bourns, Inc. | Three-piece torque sensor assembly |
DE102011079050A1 (en) * | 2011-07-13 | 2013-01-17 | Robert Bosch Gmbh | Method for populating a printed circuit board |
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Legal Events
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---|---|---|---|
R163 | Identified publications notified | ||
R081 | Change of applicant/patentee |
Owner name: ROBERT BOSCH AUTOMOTIVE STEERING GMBH, DE Free format text: FORMER OWNER: ZF LENKSYSTEME GMBH, 73527 SCHWAEBISCH GMUEND, DE Effective date: 20150423 |
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R012 | Request for examination validly filed | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |