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 driveInfo
- 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- Withdrawn
Links
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000033001 locomotion Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
- B62D5/0421—Electric motor acting on or near steering gear
- B62D5/0424—Electric motor acting on or near steering gear the axes of motor and final driven element of steering gear, e.g. rack, being parallel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/02—Gearings for conveying rotary motion by endless flexible members with belts; with V-belts
- F16H7/023—Gearings 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Steering Mechanism (AREA)
Abstract
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE10052275A1 true DE10052275A1 (en) | 2002-05-16 |
Family
ID=7660598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2000152275 Withdrawn 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 |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE10052275A1 (en) |
Cited By (50)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20300674U1 (en) | 2003-01-16 | 2003-06-05 | TRW Fahrwerksysteme GmbH & Co. KG, 40547 Düsseldorf | Steering assist drive |
| 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 |
| DE102005017883A1 (en) * | 2005-04-19 | 2006-10-26 | Zf Lenksysteme Gmbh | Device for rotatable storage |
| 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 |
| DE102007002684A1 (en) | 2007-01-18 | 2008-07-24 | Zf Lenksysteme Gmbh | Servo steering, particularly servo-steering mechanism for vehicle, has servo motor and base frame, which is operationally connected over traction drive with axially displaceable component of servo steering under formation of drive screw |
| DE102007004520A1 (en) | 2007-01-24 | 2008-07-31 | Thyssenkrupp Presta Steertec Gmbh | Electric power steering with belt drive and non-contact belt tension |
| WO2008089882A1 (en) | 2007-01-24 | 2008-07-31 | Thyssenkrupp Presta Steertec Gmbh | Electric power steering system with belt drive |
| EP1970289A2 (en) | 2007-03-15 | 2008-09-17 | ZF-Lenksysteme GmbH | Method for operating an electric power steering system |
| US7510045B2 (en) | 2005-10-26 | 2009-03-31 | Zf Lenksysteme Gmbh | Power-steering system |
| US7591204B2 (en) | 2003-05-06 | 2009-09-22 | Nsk Ltd. | Belt speed reducing apparatus for electric power steering apparatus and electric power steering apparatus |
| 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 |
| DE102012111922A1 (en) | 2012-12-07 | 2014-06-12 | Zf Lenksysteme Gmbh | Method for measuring phase current value of electric motor in electronic power steering system of motor vehicle, involves amplifying current-dependent voltage with adjustable gain factor, and automatically adjusting gain factor |
| 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 |
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| 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 |
| WO2017144134A1 (en) * | 2016-02-24 | 2017-08-31 | Robert Bosch Automotive Steering Gmbh | Belt drive and steering system |
| DE102006036215B4 (en) | 2006-08-03 | 2018-07-26 | Volkswagen Ag | Mounting method for steering gear with tension-free belt drive |
| WO2020164773A1 (en) | 2019-02-14 | 2020-08-20 | Robert Bosch Gmbh | Method for monitoring a steering device |
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