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DE10052275A1 - Motor vehicle servo power steering has electric motor servo connected to steering shaft by belt and pulley drive - Google Patents

Motor vehicle servo power steering has electric motor servo connected to steering shaft by belt and pulley drive

Info

Publication number
DE10052275A1
DE10052275A1 DE2000152275 DE10052275A DE10052275A1 DE 10052275 A1 DE10052275 A1 DE 10052275A1 DE 2000152275 DE2000152275 DE 2000152275 DE 10052275 A DE10052275 A DE 10052275A DE 10052275 A1 DE10052275 A1 DE 10052275A1
Authority
DE
Germany
Prior art keywords
power steering
gear
motor
toothed belt
steering
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Withdrawn
Application number
DE2000152275
Other languages
German (de)
Inventor
Alexander Kiforiuk
Roger Kollmeier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ThyssenKrupp Presta Muelheim GmbH
Original Assignee
Mercedes Benz Lenkungen GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mercedes Benz Lenkungen GmbH filed Critical Mercedes Benz Lenkungen GmbH
Priority to DE2000152275 priority Critical patent/DE10052275A1/en
Publication of DE10052275A1 publication Critical patent/DE10052275A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D5/00Power-assisted or power-driven steering
    • B62D5/04Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
    • B62D5/0421Electric motor acting on or near steering gear
    • B62D5/0424Electric motor acting on or near steering gear the axes of motor and final driven element of steering gear, e.g. rack, being parallel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H7/00Gearings for conveying rotary motion by endless flexible members
    • F16H7/02Gearings for conveying rotary motion by endless flexible members with belts; with V-belts
    • F16H7/023Gearings for conveying rotary motion by endless flexible members with belts; with V-belts with belts having a toothed contact surface or regularly spaced bosses or hollows for slipless or nearly slipless meshing with complementary profiled contact surface of a pulley

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Steering Mechanism (AREA)

Abstract

The motor vehicle servo power steering has an electric servo motor with a pinion (2) mounted on its shaft (1) and a d rive belt (5) to engage an input sprocket (7) of the steering. The pinion and sprocket can be formed as toothed pulleys for the drive belt. The shaft of the motor and the steering shaft are parallel.

Description

Die vorliegende Erfindung betrifft eine Servolenkung mit den Merkmalen des Oberbegriffs des Anspruchs 1.The present invention relates to a power steering system the features of the preamble of claim 1.

Derartige Servolenkungen sind aus der EP 101579 B1 be­ kannt, bei der ein elektrischer Servomotor über einen Ku­ gelumlauf auf eine Zahnstange wirkt. Der Elektromotor, der Kugelumlauf und die Zahnstange sind dabei koaxial an­ geordnet. Der Elektromotor umgreift den Kugelumlauf an seiner Außenseite.Such power steering systems are known from EP 101579 B1 knows, in which an electric servo motor via a Ku gel circulation acts on a rack. The electric motor, the ball screw and the rack are coaxial orderly. The electric motor engages around the ball its outside.

Weiter ist aus der EP 0133003 B1 eine entsprechende Ser­ volenkung bekannt, bei der ein Elektromotor ebenfalls ü­ ber einen Kugelumlauf auf eine Zahnstange wirkt. Hierbei ist der erforderliche Bauraum für die Verwendung am Kraftfahrzeug günstiger aufgeteilt, indem der Elektromo­ tor von dem Kugelumlauf in Axialrichtung beabstandet ist.Furthermore, a corresponding Ser is from EP 0133003 B1 volkung known in which an electric motor also ü acts on a rack via a ball screw. in this connection is the space required for use on  Motor vehicle divided more cheaply by the electromo Tor is spaced from the ball in the axial direction.

Das in beiden Dokumenten dargestellte Kugelumlaufgetriebe zur Umsetzung der Drehbewegung des Elektromotors in eine Axialbewegung der Zahnstange erfordert in der Praxis ent­ weder einen relativ großen, langsam laufenden Elektromo­ tor (EP 0101579 B1) oder aber ein Reduziergetriebe zwi­ schen dem Elektromotor und dem Kugelumlauf (EP 0133003 B1), um den Drehmomentbereich und den Drehzahlbereich des jeweiligen Elektromotors an das Übersetzungsverhältnis des Kugelumlaufs anzupassen.The ball screw mechanism shown in both documents to convert the rotary motion of the electric motor into a Axial movement of the rack requires ent in practice neither a relatively large, slow-running electromo gate (EP 0101579 B1) or a reducer between the electric motor and the ball recirculation (EP 0133003 B1), around the torque range and the speed range of the respective electric motor to the gear ratio of the ball circulation.

In der EP 0133003 B1 kämmt das Motorritzel mit einem Stirnrad mit großem Radius, welches koaxial zum Kugelum­ lauf angeordnet ist. Die Summe der Radien der beiden Stirnräder entspricht dabei dem Achsabstand von Motor zu Kugelumlauf. Nachteilig ist hier der große Durchmesser, der auch auf der dem Motor abgewandten Seite des Kugelum­ laufs zu einem großen Platzbedarf der Vorrichtung führt.In EP 0133003 B1, the motor pinion meshes with one Spur gear with large radius, which is coaxial to the ball is arranged. The sum of the radii of the two Spur gears correspond to the center distance from the motor Recirculating ball. The disadvantage here is the large diameter, that also on the side of the sphere facing away from the motor leads to a large space requirement of the device.

Zur Verkleinerung des Bauraums ist in der WO 98/38072 ein Zwischenrad zwischen dem Motorritzel und dem Stirnrad des auf die Zahnstange wirkenden Reduziergetriebes vorgese­ hen. Hier ergibt sich das Problem, dass dieses Zwischen­ rad in der Praxis nicht spielfrei ist. Bei Lastrichtungs­ wechseln kann dieses Spiel, das sich auch temperaturab­ hängig ändern kann, zu Geräuschen und zu undefinierten Zuständen der Regelung führen.WO 98/38072 describes a to reduce the installation space Idler gear between the motor pinion and the spur gear of the on the rack acting reduction gear hen. Here the problem arises that this intermediate in practice, rad is not free of play. With load direction can change this game, which is also temperature dependent can change, to noise and to undefined Control states.

Es ist deshalb Aufgabe der vorliegenden Erfindung, eine Servolenkung der bekannten Art dahingehend zu verbessern, dass das Getriebe zur Verbindung des Servomotors mit dem Lenkgetriebe spielfrei ist. It is therefore an object of the present invention to To improve power steering of the known type in that that the gearbox for connecting the servo motor to the Steering gear is free of play.  

Diese Aufgabe wird von einer Vorrichtung mit den Merkma­ len des Anspruchs 1 gelöst.This task is performed by a device with the characteristics len of claim 1 solved.

Weil das Ritzel und das Eingangsrad Zahnriemenscheiben sind und dass das Getriebeelement ein Zahnriemen ist, kann eine formschlüssige Kraftübertragung erreicht wer­ den, die spielfrei eingestellt werden kann und die dauer­ haft, wartungsfrei und geräuscharm ist.Because the pinion and the input gear toothed belt pulleys and that the gear element is a toothed belt, a positive power transmission can be achieved the one that can be set without play and the duration adhesive, maintenance-free and quiet.

Wenn die Zahnscheiben und der Zahnriemen ein ebenes Ge­ triebe bilden, insbesondere die Achsen der Motorwelle und des Eingangsrades parallel zueinander angeordnet sind, ergibt sich ein kompakter Antrieb mit einfachem Aufbau. Zur Einstellung der Zahnriemenspannung kann vorgesehen sein, dass eine Spannrolle zahnseitig an dem Zahnriemen vorgesehen ist oder dass der Achsabstand der Motorwelle und der Getriebeeinrichtung einstellbar ist.If the toothed pulleys and the toothed belt have a flat surface Form drives, especially the axes of the motor shaft and of the input wheel are arranged parallel to one another, the result is a compact drive with a simple structure. To adjust the timing belt tension can be provided be that a tension pulley on the tooth side on the toothed belt is provided or that the center distance of the motor shaft and the transmission device is adjustable.

Ein komplett lieferbares und einfach montierbares System ergibt sich, wenn die Getriebeeinrichtung und der Servo­ motor in einem gemeinsamen Gehäuse angeordnet sind, das mit einem Lenkgehäuse der Servolenkung vorzugsweise einstückig ist.A completely available and easy to assemble system results when the gear mechanism and the servo motor are arranged in a common housing, the preferably with a power steering box is in one piece.

Im folgenden werden zwei Ausführungsbeispiele der vorlie­ genden Erfindung anhand einer Zahnstangenlenkung be­ schrieben. Es zeigen:In the following two embodiments of the present Invention based on a rack and pinion steering be wrote. Show it:

Fig. 1 die Getriebeglieder einer Zahnstangenlen­ kung mit elektrischem Servoantrieb für ein Kraftfahrzeug in einem Querschnitt entlang der Längsachse der Zahnstange; sowie Figure 1 shows the transmission members of a rack and pinion with electric servo drive for a motor vehicle in a cross section along the longitudinal axis of the rack. such as

Fig. 2 die Getriebeglieder einer Zahnstangenlen­ kung mit redundantem elektrischem Servo­ antrieb für eine Steer-by-wire-Lenkung. Fig. 2 shows the transmission links of a rack and pinion steering with redundant electric servo drive for steer-by-wire steering.

Die Fig. 1 zeigt schematisch die Getriebeglieder einer erfindungsgemäßen Zahnstangenlenkung in einem Querschnitt entlang der Längsachse der Zahnstange. Fig. 1 shows schematically the gear members of a rack and pinion steering system according to the invention in a cross section along the longitudinal axis of the rack.

Eine Motorwelle 1 trägt bei diesem Ausführungsbeispiel eine Zahnscheibe 2, die umfangsseitig mit einem Profil 3 versehen ist. Die Motorwelle 1 dreht sich im Betrieb um eine Längsachse 4.In this exemplary embodiment, a motor shaft 1 carries a toothed disc 2 , which is provided with a profile 3 on the circumference. During operation, the motor shaft 1 rotates about a longitudinal axis 4 .

Ein Zahnriemen 5 läuft mit seinem zu der Zahnscheibe 2 passenden Profil umfangsseitig auf der Zahnscheibe 2 und ist seitlich durch Borde 6 der Zahnscheibe 2 geführt.A toothed belt 5 runs with its profile matching the toothed pulley 2 on the circumferential side of the toothed pulley 2 and is guided laterally through rims 6 of the toothed pulley 2 .

Der Zahnriemen 5 läuft andererseits auf einer Zahnscheibe 7 einer Getriebeanordnung 8, die beispielsweise einen Ku­ gelumlauf zur Übertragung der Drehbewegung in eine Stell­ bewegung einer Zahnstange oder dergleichen zu übersetzen. Die Zahnscheibe 7 ist dabei um eine Achse 9 drehbar gela­ gert, die parallel zu der Achse 4 angeordnet ist.The toothed belt 5 , on the other hand, runs on a toothed pulley 7 of a gear arrangement 8 which, for example, circulates a ball to transmit the rotary movement into an actuating movement of a toothed rack or the like. The toothed disk 7 is rotatably gela gelert about an axis 9 , which is arranged parallel to the axis 4 .

Die übrigen Bauelemente, mit denen die Wellen 1 und 8 ge­ lagert und geführt sind sowie der Antriebsmotor für die Motorwelle 1 und die Zahnstange, auf die die Getriebeein­ richtung 8 wirkt, sind aus dem Stand der Technik bekannt und werden hier nicht näher beschrieben. Gleiches gilt für das Gehäuse der gesamten Anordnung, das beispielswei­ se einstückig aus Aluminium gefertigt werden kann.The other components with which the shafts 1 and 8 are supported and guided, as well as the drive motor for the motor shaft 1 and the rack on which the transmission device 8 acts, are known from the prior art and are not described in more detail here. The same applies to the housing of the entire arrangement, which, for example, can be made in one piece from aluminum.

In der Praxis wird die Achse 4 der Motorwelle 1 in einer festen, parallel zur Achse 9 der Getriebeeinrichtung 8 angeordneten Position in einem gemeinsamen Gehäuse mit der Getriebeeinrichtung 8 eingebaut sein. Die Achsen sind relativ zueinander in Radialrichtung unverschieblich an­ geordnet. Zur Montage wird der Zahnriemen 5 zunächst auf die lose Zahnscheibe 2 zwischen die Borde 6 eingesetzt. Zur Montage wird dann die Zahnscheibe 2 in Axialrichtung auf die Welle 1 aufgesetzt, wobei gleichzeitig der Zahn­ riemen 5 auf die Zahnscheibe 7 aufgeschoben wird. Zur Einstellung der Zahnriemenspannung kann, falls erforder­ lich, eine nicht dargestellte Spannrolle vorgesehen sein, die von der Riemenrückenseite her auf ein freies Trum des Zahnriemens 5 wirkt. Die Spannrolle soll dabei nicht fe­ derbelastet sein, sondern mit einer festen Einstellung fixiert sein, so dass die gesamte Anordnung insgesamt in der Antriebsrichtung spielfrei wird. Die Spielfreiheit ist dann auch bei wechselnden Lastrichtungen gewährleis­ tet.In practice, the axis 4 of the motor shaft 1 will be installed in a fixed position parallel to the axis 9 of the transmission device 8 in a common housing with the transmission device 8 . The axes are arranged relative to each other in the radial direction immovable. For assembly, the toothed belt 5 is first inserted onto the loose toothed pulley 2 between the rims 6 . For assembly, the toothed pulley 2 is then placed on the shaft 1 in the axial direction, with the toothed belt 5 being pushed onto the toothed pulley 7 at the same time. To adjust the toothed belt tension, a tension roller, not shown, can be provided, if required, which acts from the back of the belt on a free run of the toothed belt 5 . The tensioning pulley should not be loaded, but fixed with a fixed setting, so that the entire arrangement as a whole is free of play in the drive direction. The backlash is then guaranteed even with changing load directions.

Bei einer alternativen Ausführung kann vorgesehen sein, dass die Achse 4 in Radialrichtung zur Achse 9 verlager­ bar ist, um ohne Spannrolle das Spiel des Zahnriemens einstellen zu können. Es ist bei entsprechender Ferti­ gungsgenauigkeit auch möglich, die Achsen 4 und 9 in Ra­ dialrichtung fix zueinander anzuordnen und auf eine Spannrolle zu verzichten.In an alternative embodiment it can be provided that the axis 4 can be displaced in the radial direction to the axis 9 in order to be able to adjust the play of the toothed belt without a tensioning roller. With appropriate manufacturing accuracy, it is also possible to arrange the axes 4 and 9 in the Ra dial direction fixed to each other and to dispense with a tensioning roller.

In der Fig. 2 ist eine elektrische Servolenkung in einer Ansicht entsprechend Fig. 1 dargestellt. Dabei sind gleiche Komponenten mit gleichen Bezugsziffern bezeich­ net.In FIG. 2, an electric power steering is shown in a view corresponding to FIG. 1. The same components are designated with the same reference numerals.

Gegenüber der Ausführungsform der Fig. 1 ist ein zweiter elektrischer Servoantrieb mit einer Motorwelle 11 vorge­ sehen, der über eine Zahnscheibe 12, die umfangsseitig ebenfalls mit einem Profil 13 versehen ist, auf einen Zahnriemen 15 wirkt. Der Zahnriemen 15 wird auf der Zahn­ scheibe 12 seitlich durch Borde 16 geführt.Compared to the embodiment of FIG. 1, a second electric servo drive with a motor shaft 11 is provided, which acts on a toothed belt 15 via a toothed pulley 12 , which is also provided with a profile 13 on the circumference. The toothed belt 15 is guided on the toothed disk 12 laterally through shelves 16 .

Der Zahnriemen 15 läuft mit dem Zahnriemen 5 auf einer gemeinsamen, gegenüber der Haftungsform der Fig. 1 brei­ ter ausgeführten Zahnscheibe 17. Die Zahnscheibe 17 wie­ derum wirkt auf die Getriebeeinrichtung 8 zur Betätigung der weiteren Elemente der Kraftfahrzeuglenkung.The toothed belt 15 runs with the toothed belt 5 on a common, compared to the liability form of Fig. 1 Brei ter executed pulley 17th The toothed disk 17, in turn, acts on the transmission device 8 for actuating the further elements of the motor vehicle steering.

Gegenüber der Ausführungsform der Fig. 1 sind die An­ triebselemente, die antriebsmäßig vor der Zahnscheibe 17 liegen, redundant ausgeführt. Eine solche Konfiguration ist für Steer-By-Wire-Lenkungen vorteilhaft, bei denen zwei unabhängig voneinander agierende Antriebe die not­ wendige Ausfallsicherheit bieten. Die Motorwellen 1 und 11 sind folglich auch bei diesem Ausführungsbeispiel nicht miteinander gekoppelt, so dass beim Ausfall eines Motors ebenso wie beim Ausfall eines der Zahnriemen 5, 15 die volle Funktion der Lenkung erhalten bleibt. Die übri­ gen Vorteile hinsichtlich Geräuschentwicklung, Spielfrei­ heit und einfacher Montage durch Zusammenfassung der Len­ kung zu einem System entsprechend den im Zusammenhang mit Fig. 1 erwähnten Vorteilen.Compared to the embodiment of FIG. 1, the drive elements, which are drivingly in front of the toothed disk 17, are designed redundantly. Such a configuration is advantageous for steer-by-wire steering systems, in which two independently operating drives offer the necessary reliability. The motor shafts 1 and 11 are consequently also not coupled to one another in this exemplary embodiment, so that the full function of the steering is retained in the event of a motor failure as well as the failure of one of the toothed belts 5 , 15 . The remaining advantages with regard to noise development, backlash-free unit and simple assembly by combining the steering system into a system corresponding to the advantages mentioned in connection with FIG. 1.

Insgesamt ergibt sich mit dieser Anordnung eine spiel­ freie Kraftübertragung von einem elektrischen Servomotor auf eine Getriebeeinrichtung einer Servolenkung, wobei die Kraftübertragung über die erwartete Lebensdauer des Kraftfahrzeugs zuverlässig und wartungsfrei arbeitet. Der Einstellaufwand bei der Montage ist gering oder kann völ­ lig entfallen. Die verwendeten Bauelemente sind in der Praxis erprobt und relativ preiswert. Die Bauelemente können insbesondere auch ohne Schmierung in einem Gehäuse laufen, das nicht notwendig öldicht sein muss. Dies ist sowohl bei der Herstellung als auch beim späteren Recyc­ ling des Kraftfahrzeugs vorteilhaft, da an dieser Stelle auf flüssige Betriebsstoffe verzichtet werden kann.Overall, this arrangement results in a game free power transmission from an electric servo motor on a transmission device of a power steering, wherein the power transmission over the expected life of the Motor vehicle works reliably and maintenance-free. The Adjustment effort for the assembly is low or can be full not applicable. The components used are in the Tried and tested in practice and relatively inexpensive. The components can in particular without lubrication in a housing run, which does not necessarily have to be oil-tight. This is  both in the production as well as in the later recycling ling of the motor vehicle advantageous because at this point liquid consumables can be dispensed with.

Claims (6)

1. Servolenkung für ein Kraftfahrzeug, mit einem von ei­ nem Fahrer zu betätigenden Lenkrad, mit einem Lenkge­ triebe, das durch Verlagerung eines über eine Getrie­ beeinrichtung (8) anzutreibenden beweglichen Bauele­ ments eine Verschwenkung von lenkbaren Fahrzeugrädern bewirkt, mit wenigstens einem elektrischen Servomo­ tor, der jeweils mit einer ein Ritzel (2, 12) tragen­ den Motorwelle (1, 11) über ein Getriebeelement (5, 15) mit einem Eingangsrad (7, 17) der Getriebeein­ richtung und dadurch mit dem Bauelement antriebsmäßig verbunden ist, dadurch gekennzeichnet, dass das we­ nigstens eine Ritzel (2, 12) und das Eingangsrad (7, 17) Zahnriemenscheiben sind und dass das Getriebeele­ ment (5, 15) jeweils ein Zahnriemen (5, 15) ist.1. Power steering for a motor vehicle, with a steering wheel to be operated by a driver, with a steering gear which causes a pivoting of steerable vehicle wheels by moving a device ( 8 ) to be driven by a gear mechanism, with at least one electric servo motor which in each case with a pinion (2, 12) carrying the motor shaft (1, 11) via a transmission element (5, 15) device with an input gear (7, 17) of the Getriebeein and is therefore drivingly connected to the device, characterized that we at least a pinion ( 2 , 12 ) and the input wheel ( 7 , 17 ) are toothed belt pulleys and that the gear element ( 5 , 15 ) is in each case a toothed belt ( 5 , 15 ). 2. Servolenkung nach Anspruch 1, dadurch gekennzeichnet, dass die Zahnscheiben (2, 12, 7, 17) und der Zahnrie­ men (5, 15) ein ebenes Getriebe bilden, insbesondere die Achsen (4, 9) der Motorwelle (1, 11) und des Ein­ gangsrades (7, 17) parallel zueinander angeordnet sind.2. Power steering according to claim 1, characterized in that the toothed disks ( 2 , 12 , 7 , 17 ) and the toothed belt men ( 5 , 15 ) form a flat gear, in particular the axes ( 4 , 9 ) of the motor shaft ( 1 , 11 ) and a gear wheel ( 7 , 17 ) are arranged parallel to each other. 3. Servolenkung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass eine Spannrolle zahnseitig oder rückenseitig an dem wenigstens einen Zahn­ riemen (5, 15) vorgesehen ist.3. Power steering according to one of the preceding claims, characterized in that a tension roller on the tooth side or back on the at least one toothed belt ( 5 , 15 ) is provided. 4. Servolenkung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Achsabstand der Mo­ torwelle (1, 11) und der Getriebeeinrichtung (8) ein­ stellbar ist.4. Power steering according to one of the preceding claims, characterized in that the center distance of the motor shaft ( 1 , 11 ) and the transmission device ( 8 ) is adjustable. 5. Servolenkung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Getriebeeinrichtung (8) und der Servomotor in einem gemeinsamen Gehäuse angeordnet sind, das mit einem Lenkgehäuse der Servo­ lenkung vorzugsweise einstückig ist.5. Power steering according to one of the preceding claims, characterized in that the gear device ( 8 ) and the servo motor are arranged in a common housing, which is preferably in one piece with a steering housing of the power steering. 6. Servolenkung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass zwei Servomotoren vorge­ sehen sind, die mittels jeweils einer Zahnscheibe (2, 12) über jeweils einen Zahnriemen (5, 15) gemeinsam auf ein Eingangsrad (7, 17) einer Getriebeeinrichtung (8) wirken.6. Power steering according to one of the preceding claims, characterized in that two servo motors are provided, which by means of a toothed pulley ( 2 , 12 ) via a toothed belt ( 5 , 15 ) together on an input wheel ( 7 , 17 ) of a transmission device ( 8 ) act.
DE2000152275 2000-10-20 2000-10-20 Motor vehicle servo power steering has electric motor servo connected to steering shaft by belt and pulley drive Withdrawn DE10052275A1 (en)

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DE2000152275 DE10052275A1 (en) 2000-10-20 2000-10-20 Motor vehicle servo power steering has electric motor servo connected to steering shaft by belt and pulley drive

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DE2000152275 DE10052275A1 (en) 2000-10-20 2000-10-20 Motor vehicle servo power steering has electric motor servo connected to steering shaft by belt and pulley drive

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Cited By (50)

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DE10310497A1 (en) * 2003-03-11 2004-10-14 Zf Lenksysteme Gmbh Steering system, especially motor vehicle power steering system, has first motor shaft pulley connected to second gearbox pulley via composite v-belt and at least one of drive belt is multi-grooved
FR2853613A1 (en) * 2003-04-11 2004-10-15 Contitech Antriebssysteme Gmbh Transmission system for driving vehicle power steering, has two drive trains with notched belts, where each belt couples pulley and ring gear, and teeth of drive train presents gap with respect to one another
FR2853876A1 (en) * 2003-04-15 2004-10-22 Koyo Seiko Co Steering device for vehicle, has speed reduction mechanism with pulleys and belt where belt is toothed helicoidal belt, and pulleys are constituted by toothed helicoidal pulleys engaging with helicoidal belt
DE102004055127A1 (en) * 2004-11-16 2006-06-29 Volkswagen Ag Toothed belt for electromechanical steering system includes belt base body of constant cross section, teeth and slub inserts
DE102004056878A1 (en) * 2004-11-25 2006-07-06 Zf Lenksysteme Gmbh Toothed belt gear, especially for powered steering system of vehicle, has pitch difference existing between belt pulley and belt, and/or belt pulley has helical toothing and belt has spur toothing
JP2006232049A (en) * 2005-02-24 2006-09-07 Showa Corp Electric steering device
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DE102005057938A1 (en) * 2005-12-05 2007-06-06 Zf Lenksysteme Gmbh Method for operating power steering at motor vehicle, involves addition of compensation moment for compensation of brake pull during strong acceleration of vehicle while determining delivering reference support moment of electric motor
DE102005058191A1 (en) * 2005-12-06 2007-06-21 Zf Lenksysteme Gmbh Toothed belt wheel e.g. drive pinion, for e.g. passenger car, has sprocket with teeth, and two units that form belt wheel, where one unit is made of metallic material and other unit is made of non-metallic material e.g. thermoplastic
WO2007115891A1 (en) 2006-04-07 2007-10-18 Zf Lenksysteme Gmbh Worm/belt mechanism of a power steering drive
DE102006017440A1 (en) * 2006-04-13 2007-10-18 Zf Lenksysteme Gmbh Method for operating an electric power steering system
EP1621444A4 (en) * 2003-05-06 2007-11-07 Nsk Ltd Belt speed reducer for electric power steering device and electric power steering device
DE102006025498A1 (en) * 2006-06-01 2007-12-06 Zf Lenksysteme Gmbh Power steering system of a motor vehicle
DE102006025790A1 (en) * 2006-06-02 2007-12-06 Zf Lenksysteme Gmbh Motor vehicle`s steering system e.g. electrical servo steering system, operating method, involves adjusting auxiliary angle based on momentary fitness condition of electrical system of motor vehicle
DE102006053029A1 (en) * 2006-11-10 2008-05-15 Zf Lenksysteme Gmbh Method for operating electronically controlled servo steering system of motor vehicle, involves determining steering wheel angle as measure for desired steering handle angle by steering handle for steering wheels of motor vehicle
DE102007002292A1 (en) 2007-01-16 2008-07-17 Zf Lenksysteme Gmbh Method for operating electronic servo steering system of motor vehicle, involves determining steering wheel angle in motor vehicle by steering handle, where steering wheel angle is determined as measurement of desired steering wheel angle
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DE102008001961A1 (en) 2008-05-26 2009-12-17 Zf Lenksysteme Gmbh Actuator for gear rod-electrical power steering system, of passenger car, has wheel and servo motor shaft designed as single piece, and another wheel and nut designed as single piece, where motor is provided at frame
DE102008040202A1 (en) 2008-07-07 2010-01-14 Zf Lenksysteme Gmbh Electronic servo steering system operating method for passenger car, involves deactivating torque assistance with guidance position and with driving speed such that no positioning of rod and/or no rod stroke takes place towards stop
DE102008041415A1 (en) 2008-08-21 2010-02-25 Zf Lenksysteme Gmbh Electrical power steering system i.e. servo steering system, for vehicle, has servo-motor arranged in rack, and electrical rolling stabilizer assigned to rack and forming part of rolling stabilization system for axle of vehicle
WO2010108467A1 (en) * 2009-03-25 2010-09-30 Contitech Antriebssysteme Gmbh Toothed belt gearbox
DE102009046118A1 (en) 2009-10-28 2011-05-05 Zf Lenksysteme Gmbh Method for operating an electrical power steering of vehicle, involves generating engine torque of electric motor over engine current which is calculated by engine controller
DE102010043830A1 (en) 2010-11-12 2012-05-16 Zf Lenksysteme Gmbh Method for operating electronic power steering system of motor vehicle, involves predetermining steering angle as measure for desired wheel steering angle from steering wheel of motor vehicle by steering handling device
WO2012062470A1 (en) * 2010-11-10 2012-05-18 Thyssenkrupp Presta Ag Low-noise belt drive
DE10306100C5 (en) * 2003-02-14 2012-11-29 Audi Ag Motor vehicle with a steering system comprising a mechanical steering column including steering wheel and a system for detecting a deviation of the lane of the motor vehicle from an excellent lane of the road or for detecting an occupancy of a neighboring lane
DE102011086897A1 (en) 2011-11-22 2013-05-23 Zf Lenksysteme Gmbh Tracking assistance method for motor vehicle, involves continuously correcting slight lateral deviation of vehicle from target trajectory by automatic correction of steering movements by adjusting calculated target wheel steering angle
DE102012101127A1 (en) 2012-02-14 2013-08-14 Zf Lenksysteme Gmbh Electronic power steering device for motor car, has resistors arranged between insulated gate electrode and source of MOSFETs or between gate electrode and emitter of bipolar transistors and integrated in MOSFETs or bipolar transistors
DE102012103092A1 (en) 2012-04-11 2013-10-17 Zf Lenksysteme Gmbh Method for sequentially determining rotor layer angle of electromotor in electronic power steering device of motor car, involves utilizing counter voltage as control signal to adjust change of sensor power source and processing circuit
DE102012104989A1 (en) 2012-06-11 2013-12-12 Zf Lenksysteme Gmbh Method for continuously determining rotor position angle of electric motor of electronic power steering device, involves monitoring position of rotor, and processing measurement signals of rotor position sensors by signal processing circuit
DE102012105143A1 (en) 2012-06-14 2013-12-19 Zf Lenksysteme Gmbh Method for operating electronic power steering system of motor car, involves switching OFF the servo support within preset time period upon detection of fatal error in electronic power steering system
WO2014000903A1 (en) 2012-06-28 2014-01-03 Schaeffler Technologies AG & Co. KG Camshaft adjustment device for an internal combustion engine
DE102012106455A1 (en) 2012-07-18 2014-01-23 Zf Lenksysteme Gmbh Method for operating electronic power steering system of motor vehicle, involves generating modified voltage for controlling switches of inverter, and deactivating boost converter during determination of phase current by measuring circuit
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DE102013201468A1 (en) 2013-01-30 2014-07-31 Zf Lenksysteme Gmbh METHOD FOR OPERATING AN ELECTRIC MOTOR
DE102013102043A1 (en) 2013-03-01 2014-09-04 Zf Lenksysteme Gmbh Electronic power steering device for motor vehicle, has electrical servo drive with electric motor, where electronic regulating and controlling device is provided for regulating and controlling electric motor
DE102013104586A1 (en) 2013-05-06 2014-11-06 Zf Lenksysteme Gmbh METHOD FOR THE CONTINUOUS DETERMINATION OF A STEERING ANGLE OR A SIZE CHARACTERIZING THE STEERING ANCHOR
US8979689B2 (en) 2008-02-21 2015-03-17 Ludwig Dierl Synchronous flat belt drive
DE102014111184A1 (en) 2014-08-06 2016-02-11 Robert Bosch Automotive Steering Gmbh Electrical circuit device, in particular inverter, for generating phase voltages for the operation of an electric motor
WO2017102342A1 (en) 2015-12-18 2017-06-22 Robert Bosch Automotive Steering Gmbh Method for masking and/or reducing disturbing noises or the conspicuousness thereof during operation of a motor vehicle
WO2017102320A1 (en) 2015-12-18 2017-06-22 Robert Bosch Automotive Steering Gmbh Method for sensing one or more conspicuous noises during the operation of a motor vehicle
DE102015122253A1 (en) 2015-12-18 2017-06-22 Robert Bosch Automotive Steering Gmbh METHOD FOR MONITORING THE CONDITION OF AN ELECTRONIC POWER STEERING DEVICE OR AT LEAST ONE COMPONENT OF THE ELECTRONIC POWER STEERING DEVICE OF A MOTOR VEHICLE
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DE102006017440A1 (en) * 2006-04-13 2007-10-18 Zf Lenksysteme Gmbh Method for operating an electric power steering system
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DE102007004520A1 (en) 2007-01-24 2008-07-31 Thyssenkrupp Presta Steertec Gmbh Electric power steering with belt drive and non-contact belt tension
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US7823687B2 (en) 2007-01-24 2010-11-02 Thyssenkrupp Presta Steertec Gmbh Electric power steering system with belt drive and contactless belt tension
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DE102007012532A1 (en) 2007-03-15 2008-09-18 Zf Lenksysteme Gmbh Method for operating an electric power steering device
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US8979689B2 (en) 2008-02-21 2015-03-17 Ludwig Dierl Synchronous flat belt drive
DE102008001961A1 (en) 2008-05-26 2009-12-17 Zf Lenksysteme Gmbh Actuator for gear rod-electrical power steering system, of passenger car, has wheel and servo motor shaft designed as single piece, and another wheel and nut designed as single piece, where motor is provided at frame
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DE102008041415A1 (en) 2008-08-21 2010-02-25 Zf Lenksysteme Gmbh Electrical power steering system i.e. servo steering system, for vehicle, has servo-motor arranged in rack, and electrical rolling stabilizer assigned to rack and forming part of rolling stabilization system for axle of vehicle
WO2010108467A1 (en) * 2009-03-25 2010-09-30 Contitech Antriebssysteme Gmbh Toothed belt gearbox
DE102009046118A1 (en) 2009-10-28 2011-05-05 Zf Lenksysteme Gmbh Method for operating an electrical power steering of vehicle, involves generating engine torque of electric motor over engine current which is calculated by engine controller
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WO2014000903A1 (en) 2012-06-28 2014-01-03 Schaeffler Technologies AG & Co. KG Camshaft adjustment device for an internal combustion engine
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CN108700166B (en) * 2016-02-24 2021-11-26 罗伯特博世汽车转向有限公司 Belt drive and steering system
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US20220105980A1 (en) * 2019-02-14 2022-04-07 Robert Bosch Gmbh Method for Monitoring a Steering Device
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