WO2014037579A1 - Crémaillère pour un système de direction d'un véhicule automobile, mécanisme de direction et pièce de pression - Google Patents

Crémaillère pour un système de direction d'un véhicule automobile, mécanisme de direction et pièce de pression Download PDF

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Publication number
WO2014037579A1
WO2014037579A1 PCT/EP2013/068700 EP2013068700W WO2014037579A1 WO 2014037579 A1 WO2014037579 A1 WO 2014037579A1 EP 2013068700 W EP2013068700 W EP 2013068700W WO 2014037579 A1 WO2014037579 A1 WO 2014037579A1
Authority
WO
WIPO (PCT)
Prior art keywords
rack
pressure piece
contour
longitudinal axis
steering
Prior art date
Application number
PCT/EP2013/068700
Other languages
German (de)
English (en)
Inventor
Ralf Eckstein
Original Assignee
Thyssenkrupp Presta Aktiengesellschaft
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 Thyssenkrupp Presta Aktiengesellschaft filed Critical Thyssenkrupp Presta Aktiengesellschaft
Publication of WO2014037579A1 publication Critical patent/WO2014037579A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D3/00—Steering gears
    • B62D3/02—Steering gears mechanical
    • B62D3/12—Steering gears mechanical of rack-and-pinion type
    • B62D3/123—Steering gears mechanical of rack-and-pinion type characterised by pressure yokes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D3/00—Steering gears
    • B62D3/02—Steering gears mechanical
    • B62D3/12—Steering gears mechanical of rack-and-pinion type
    • B62D3/126—Steering gears mechanical of rack-and-pinion type characterised by the rack
    • 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
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/26—Racks
    • 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
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/26—Racks
    • F16H55/28—Special devices for taking up backlash
    • F16H55/283—Special devices for taking up backlash using pressure yokes

Definitions

  • the present invention relates to a rack for a steering system of a motor vehicle, a steering gear and a pressure piece.
  • Racks for steering systems in motor vehicles are well known in the art.
  • rack and pinion steering gear is a transversely extending to the direction of travel of the motor vehicle rack provided, which has a meshing with a steering pinion toothing.
  • the steering pinion is rotatably connected via a corresponding steering shaft with the operated by a driver of the motor vehicle steering wheel.
  • the toothed region of the toothed rack has a rack toothing compatible with the toothing of the steering pinion, via which the steering force is correspondingly transmitted from the steering pinion to the toothed rack.
  • the two ends of the rack are usually via tie rods and ball joints directly or indirectly, each with a steered wheel of the motor vehicle in combination.
  • the steering movement introduced by the steering wheel is transmitted via the steering pinion to the rack, and the resulting linear movement of the rack is then converted into a steering movement of the steered wheels of the motor vehicle.
  • the prior art provides different geometries for supporting the torques applied to the rack.
  • the rack for example, from DE 198 58 681 A1 and DE 10 2008 054 782 A1 Y-shaped rack ridge known which the
  • a rack for a steering system of a motor vehicle which comprises a along a portion of the longitudinal axis of the rack extending toothing area for engagement with a steering pinion, and a toothed rack opposite the toothed rack for contact with a pressure piece, wherein the contactable with the pressure pad portion of Rack back in cross-section with respect to the longitudinal axis has at least one convex contour.
  • the convex contour can be described by a continuously differentiable curve, wherein the curve has distances to a radius center line along its course and the radius center line is eccentric to the radius line
  • the radii center line is an imaginary line parallel to the longitudinal axis of the toothed rack, which represents the radii centers of the convex contour at least over the length of the area of the toothed rack which can be contacted by the pressure element.
  • the Radienffenline thus also extends parallel to the direction of displacement of the rack relative to
  • the rack back is formed with at least one convex contour, which describes a continuously differentiable curve
  • the rack can be through accordingly produce conventional drop forging or cold forming in a cost effective manner. Due to the constant differentiability, there are in particular no "edges" in the convex areas, which could have a detrimental effect on simple production
  • Cold forming tools can be shaped in a known manner.
  • the longitudinal axis of the rack is here preferably formed by the axis of rotation of the rack or the axis of symmetry of the rack.
  • the axis of the centroid or centroid can be considered. This longitudinal axis corresponds accordingly, for example, in the manufacture of the rack by
  • all distances from the radii center line along the continuously differentiable convex contour are greater than or equal to a minimum radius and less than or equal to a maximum radius and the minimum radius and the maximum radius are determined so that the rack without undercut perpendicular to its longitudinal axis in the pressure piece can be inserted.
  • Forming the shape of the convex contour ensures that undercuts are avoided, which may also be disadvantageous from a manufacturing point of view, since they require multi-part tools.
  • contour sections are enclosed with greater distances from the Radienstoffline between contour sections with a smaller distance with preference.
  • the continuously differentiable convex contour is circular arc-shaped and the radius center line of the circular arc-shaped contour is arranged eccentrically to the longitudinal axis of the rack.
  • the rack back transverse to the longitudinal axis has a circular cross-sectional portion.
  • the circular cross-sectional portion accordingly has a distance from the radii centerline which is constant. Therefore, the distance defined in claim 1 corresponds to the
  • Radienstoffline the radius of the circular arc contour.
  • the cross-section section typically does not describe a full circle, but only a small section of a full circle, for example about 5 ° to 30 ° of a full circle.
  • two sections with one circular arc contour contour sections with arbitrary shapes, in particular straight or spline-shaped contours can be arranged.
  • this also applies to sections of continuously differentiable convex contours.
  • two sections with a continuously differentiable convex contour contour sections with arbitrary shapes, in particular straight or spline-shaped contours can be arranged.
  • the terms “continuously differentiable convex contour” and “smooth-convex contour” are used interchangeably. Furthermore, in the following, as far as applicable, apply the statements that are related to the circular arc-shaped contour also apply to the smooth convex contour.
  • a radius measured from the radius center line on which the outer circumference of the circular contour is equivalent to a distance of the smooth-convex contour to the Radienstofflinein is to be set.
  • an inhibition of a rotation of the rack is provided about its longitudinal axis in the form described above, although the formation of the rack back with a circular arc contour - or even a smooth-convex contour - would be predestined for rotation.
  • the Radienstoffline is arranged outside the rack, whereby it is achieved that the longitudinal axis of the rack, so the geometrically resulting axis of rotation of the rack, and resulting on the Radienstoffline axis of rotation of the circular arc contour or even the smooth-convex contour fall apart clearly.
  • the toothed region of the toothed rack is arranged between the radius center line and the longitudinal axis of the toothed rack. In other words, for example, there are a first axis of rotation above, and a second axis of rotation below the toothed region, via which the torque is registered. But since a rigid body, as already mentioned, can not simultaneously rotate about two spaced rotation axes, in particular not at an initiation of
  • the position of the Radienthesisline does not change.
  • the distance between the radius center line and the longitudinal direction of the rack is constant at each position of the area in which the rack spine is engageable with the pressure piece.
  • the same effect of effectively inhibiting the rotation of the rack when applying a torque is achieved when the radius center line of the circular-arc or smooth-convex contour is disposed on a surface of the rack. Also in this embodiment occurs by the falling apart of the radii center line of the circular arc-shaped contour and the longitudinal axis or the axis of rotation of the rack on the above-described inhibition against registered torques.
  • the toothed rack back has at least two different circular arc-shaped contours or smooth-convex contours. It can be formed in this way a rack, which can be made by swaging or cold forming in a cost effective manner, on the other hand by providing the at least two Radienstofflinien the circular arc or the smooth-convex contour, again the above-mentioned inhibition in a particularly effective Forming way.
  • the radii center line of the circular-arc-shaped contour or the smooth-convex contour is arranged on a surface of the toothed rack in a region which can be contacted with the pressure piece. This can be achieved - in addition to the already described falling apart of the axis of rotation of the rack and formed by the circular arc or smooth-convex contour Radienschlinien - continue a tangential undercut of the rack back is formed with respect to the pressure piece. This is especially the case when the radii center line of the circular arc-shaped contour the tilting axis is arranged about which the rack would rotate in the pressure piece, and at the same time the radius of the circular arc-shaped contour is greater than the width of the rack in the pressure piece. It is particularly preferred if the arcuate contour forms a tangential undercut of the rack with respect to the pressure piece. In this way, a further inhibition of rotation of the rack can be achieved.
  • the above object is particularly preferably achieved by a rack for a steering system of a motor vehicle, which extends along a portion of the longitudinal axis of the
  • Rack-extending toothing region for engagement with a steering pinion, and a toothed rack opposite the toothed rack for contact with a pressure piece comprises, wherein the contactable with the pressure piece portion of the rack back in cross section with respect to the longitudinal axis has at least one circular arc-shaped contour.
  • the radius center line of the arcuate contour is arranged eccentrically to the longitudinal axis of the rack.
  • the steering gear comprises a rack and a pressure piece.
  • the rack is formed with the geometry described above.
  • the pressure piece has a guide which has a contour which is complementary to the toothed rack back.
  • a method for producing a toothed rack with the geometry described above is proposed in claim 14, wherein the rack back according to the invention forged or cold formed and is preferably prepared by die forging. It is particularly preferred to produce the rack from a round material. In this way, a cost-effective production is achieved in an efficient manner. However, it is conceivable and possible to produce the rack also by a cutting process, preferably by profile grinding.
  • Figure 1 is a schematic view of a steering device for a motor vehicle
  • Figure 2 is a schematic perspective view of a portion of a
  • Figure 3 is a schematic perspective view of the rack of Figure 2 with a steering pinion and a pressure piece;
  • Figure 4 is a schematic sectional view through a rack and a pressure piece in
  • Figure 5 is a schematic cross-sectional view of a rack according to a first
  • Figure 6 is a schematic cross-sectional view of a rack according to a second
  • Figure 7 is a schematic cross-sectional view of a rack in a third
  • Figure 8 is a schematic cross-sectional view of a rack in a fourth
  • Figure 9 is a schematic cross-sectional view of a rack in a fifth
  • FIG. 1 schematically shows a steering device 100 for a motor vehicle.
  • the steering device 100 comprises a steering wheel 101, which is connected to a steering shaft 102, wherein the driver of the motor vehicle via the steering wheel 101 can exert the desired steering movement.
  • a steering pinion 103 is rotatably mounted, which with a
  • Gear portion 105 of a rack 104 meshes.
  • the rack 104 is in one
  • a pressure piece 108 is provided which allows a likewise displaceable mounting of the rack 104 on a toothed rack 104 opposite the steering pinion 103 and the toothed region 105. Accordingly, the pressure piece 108 has a to the
  • Rack back complementary guide surface for guiding the rack back on.
  • About the pressure member 108 are applied by the meshing teeth between the steering pinion 103 and the toothed portion 105 and perpendicular to the longitudinal axis of the
  • Rack 104 directed force components supported so that the teeth is always securely held in engagement.
  • tie rods 107 are directly or indirectly connected via ball joints, not shown, wherein the tie rod 107 is connected in a known manner via knuckle with one steered wheel of the motor vehicle to the applied by the driver via the steering wheel 101 steering movement on the steered Transfer wheels. In other known embodiments are to assist the driver in the
  • FIGS. 2 and 3 A rack 104 according to the prior art is shown schematically in FIGS. 2 and 3, wherein the rack 104 has a circular cross-section perpendicular to the longitudinal axis 1000, as can be seen immediately from FIG.
  • the longitudinal axis 1000 accordingly also forms an axis of rotation about which the rack 104 can rotate in the direction of the arrow 1100 shown.
  • a toothed portion 105 is provided on the upper side of the rack 104, which does not extend over the entire longitudinal extension of the rack 104, but is provided only in a limited portion D with respect to the longitudinal extent of the rack 104.
  • a pressure piece 109 is provided, which is opposite to the
  • Gear portion 105 of the rack 104 is arranged to correspond with the
  • the geometries of the toothings of the toothed region 105 or of the steering pinion 103 shown in FIGS. 2 and 3 are merely exemplary.
  • the distances, the inclinations and / or the shapes of the teeth may differ from those shown in Figures 2 and 3. They may also vary over the limited portion D of the splined portion 105, then being referred to as variably toothed racks 104.
  • Rack 104 ' which has a so-called D-shaped cross section.
  • this rack 104 'with the D-shaped cross section does not oppose any supporting moment to a possible entry of a torque. Rather, when a torque is applied, rotation in the direction of the arrow 1100 can again take place unimpeded, so that a support of the corresponding torques via this geometry can not take place.
  • Figure 5 shows a cross section through a rack 2 according to a first embodiment of the present invention.
  • the rack 2 has a toothed region 20, which serves for engagement with a pinion toothing 7 of a steering pinion 6.
  • the steering pinion 6 is connected to the steering shaft 8 and can be rotated in the usual manner by a not shown in the figure driver via a likewise not shown steering wheel about its axis to execute a corresponding steering movement.
  • the pressure piece 3 has a corresponding to the contour of the rack spine 22 complementary guide 30 which receives the rack back 22 slidably.
  • the rack 2 has a longitudinal axis 5, which also forms the axis of rotation and axis of symmetry of the rack 2.
  • the rack back 22 of the rack 2 has in the embodiment shown a concave contour in the form of a circular arc-shaped contour 220, which has an outgoing from a corresponding Radienstoffline 4 distance in the form of the radius R.
  • the Radienstoffline 4 extends parallel to the longitudinal axis 5 of the rack 2, but is arranged eccentrically to the longitudinal axis 5 of the rack 2. In the shown
  • Embodiment is the Radienstoffline 4 outside the rack 2 on the side of the toothed portion 20 and even "behind" the steering pinion. 7
  • the Radienstoffline 4 is corresponding to a longitudinal axis 5 of the rack 2 parallel imaginary line which the radii centers of the convex contour 220 at least over the length of represents the contact piece 3 contactable portion of the rack back 22.
  • the Radienstoffline 4 thus also extends parallel to the direction of displacement of the rack 2 relative to the pressure piece 3 and does not change its position even with a displacement of the rack 2.
  • the toothing region 20 is located between the radii center line 4 of the circular arc-shaped contour 220 and the longitudinal axis 5 (or the axis of rotation or the axis of symmetry) of the rack 2. It is even conceivable and possible, the
  • Radienstoffline 4 perform such that the steering pinion 6 is completely or at least partially disposed between the Radienstoffline 4 and the longitudinal axis 5.
  • the rack 2 shown in Figure 5 has a simple cross-sectional profile, which allows easy production and geometrically composed essentially of the original circular profile of the round material from which the rack is made, combined with the circular arc contour 220 of the rack back 22.
  • Die circular-arc-shaped contour 220 of the rack spine 22 can be produced by cold forming or by drop forging in a simple manner. In particular, no machining of the starting material is necessary to the appropriate design of the
  • Rack back 22 to produce. This can be in this way produce a rack 2, which is simple and inexpensive to manufacture, but at the same time provides effective protection against twisting and corresponding effective support of, for example, a steering pinion or support devices registered torques.
  • a circular arc-shaped contour can be described by a continuously differentiable curve, which has distances from a radii center line in the form of the radius of the circular arc-shaped contour.
  • the Radienstoffline 4 is arranged eccentrically with respect to the longitudinal axis 5 of the rack 2.
  • the contour 220 of the rack spine 22 does not change, at least over the length which is contactable with the pressure piece 3. Accordingly, the contour of the rack spine 22 can be displayed at least in this area by lines arranged parallel to one another, wherein the parallel lines also extend parallel to the longitudinal axis 5 of the rack 2 and parallel to the radii center line 4.
  • FIG. 6 shows a further preferred exemplary embodiment of a rack 2 ', which is guided in a pressure piece 3.
  • the pressure piece 3 in turn has a guide 30, which is complementary to the rack back 22 of the rack 2 'is formed and provides for a guide of the rack 2' and at the same time for a longitudinal direction of the rack 2 'slidable storage.
  • the rack 2 'in turn has a toothed region 20 which serves for engagement with a pinion toothing 7 of a steering pinion 6.
  • the rack back 22 in turn has a smooth-convex contour in the form of a
  • circular arc-shaped contour which is formed here via two circular arc-shaped contours 220 '.
  • Gearing portion 20 in a plane which lies between the plane formed by the radii center lines 4 'and a plane parallel thereto through the longitudinal axis 5 of the rack 2'. Accordingly, a rotation of the rack 2 'about the three potential axes of rotation can not take place simultaneously. This will be about the
  • Gear portion 20 registered torque, which is registered for example via the steering pinion 6, or a torque which is registered via a support drive, supported accordingly so that there can be neither tilting nor a rotation of the rack 2 'in the pressure piece 3.
  • Gear engagement between the rack 2 and steering pinion 6 must be taken, again significantly reduced. It is conceivable and possible in this exemplary embodiment to design the radii center lines 4 and 4 'such that the steering pinion 6 is arranged completely or at least partially between the plane formed by the radii center lines 4 and 4' and the longitudinal axis 5.
  • the pressure piece 3 again has a guide 30 which guides the toothed rack 2 "at its rack back 22.
  • a smooth convex contour in the form of a circular-arc contour 220" is provided on the toothed rack 22, each of which has a radii centerline 4 "on the surface of the
  • the rack 2 in turn has a toothed region 20 which serves for engagement with a pinion toothing 7 of a steering pinion 6.
  • the rack 2 is designed so that a possible tilting moment, which the
  • Rack 2 " would rotate about the tilting axis 32 of the guide 30 of the pressure piece 3 is supported by the circular arc-shaped contour 220" '.
  • the radius R "of the arcuate contour 220" is greater than a radius x that would be necessary to allow undercutless rotation of the rack 2 "about the tilt axis 32.
  • the radius x which would allow tilting of the rack 2 "about the respective tilting axis 32 of the pressure piece 3, corresponds here to the width d of the rack 2" in the guide 30. Accordingly, in this embodiment, in turn, by forming an eccentric arrangement of circular arc contour 220 "or an eccentric arrangement of the respective Radienstofflinien 4" of circular arc contour 220 "be achieved that tilting of the rack 2" within the pressure piece 3 is avoided and in particular a tangential undercut in the pressure piece 3 is provided by the guide 30, so that a rotation of the rack 2 "about the rotation axis 5 or about the tilt axis 32 can be avoided.
  • the rack 2 can in particular easily from above in the
  • Pressure piece 3 are inserted and is then ready for use.
  • a rack 42 is shown in a further embodiment, which with its rack back 422 in a complementary to this guide 430 in a
  • Pressure piece 43 is slidably received along the longitudinal axis 5 of the rack 42.
  • the Rack back 422 includes a convex contour 420 in cross section to the longitudinal axis 5 of the rack 42.
  • This convex contour 420 can be described by a curve which is continuously differentiable. Accordingly, it is a smooth-convex contour 420.
  • the curve describing the smooth-convex contour 420 has distances R4 from a radius center line 44 along its course, the radius center line 44 being arranged eccentrically to the longitudinal axis 5 of the rack 42 and, in the illustrated embodiment, being outside the volume defined by the rack 42 , In the embodiment shown, the Radienstoffline 44 even behind the steering pinion. 6
  • the distances R4 to the radius center 44, which has the curve along the smooth-convex contour 420, are greater than or equal to a minimum radius R4min along the smooth-convex contour 420 and less than or equal to a maximum radius R4max.
  • the minimum radius R4min and the maximum radius R4max are determined so that the rack 42 can be inserted undercut-free perpendicular to its longitudinal axis 5 in the pressure piece 43.
  • FIG 9 yet another embodiment of a rack 52 is shown, which is inserted in a complementary to this pressure piece 53.
  • the rack 52 is slidably received along its longitudinal axis 5 in a complementary to this guide 530 of the pressure piece 53 in order to be able to transmit a steering movement accordingly by a shift can.
  • the rack spine 522 comprises two areas with a contour 520 which is smooth-convex in cross section to the longitudinal axis 5 of the rack 52. This smooth-convex contour 520 can be described in each case by a curve which is continuously differentiable.
  • Each curve describing a smooth-convex contour 520 has distances R5 from a radii centerline 54 along its course. Accordingly, two Radienschlinien 54 are provided, which each form a starting point for the distances to each one of the smooth-convex contour descriptive curves. Radienstofflinien 54 are arranged eccentrically to the longitudinal axis 5 of the rack 52 and lie in the embodiment shown outside of the defined by the rack 42 volume. In the exemplary embodiment shown, the radii center lines 54 lie behind the steering pinion 6 and on the respective convex contour 520 of opposite sides of the rack 52.
  • the distances R5 to the radii centers 54 which has the curve along the convex contours 520, are greater than or equal to a minimum radius R5min along the smooth-convex contours 420 and less than or equal to a maximum radius R5max.
  • the minimum radius R5min and the maximum radius R5max are determined such that the rack 52
  • undercut-free perpendicular to its longitudinal axis 5 in the pressure piece 53 and in particular in the guide 530 of the pressure piece 53 can be inserted.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Transmission Devices (AREA)
  • Gears, Cams (AREA)

Abstract

La présente invention concerne un crémaillère (2) pour un système de direction d'un véhicule automobile, comprenant une zone de denture (20) s'étendant le long d'une partie de l'axe longitudinal (5) de la crémaillère (2) et destinée à entrer en prise avec un pignon de direction (6) et un dos (22) de crémaillère opposé à la zone de denture (20) destiné à entrer en contact avec une pièce de pression (3). La zone du dos (22) de la crémaillère pouvant entrer en contact avec la pièce de pression (3) présente au moins un contour convexe (220) par rapport à l'axe longitudinal (5) en coupe transversale. Le contour convexe (220) peut être décrit par une courbe continuellement différenciable. La courbe présente le long de son tracé des distances (R) par rapport à une ligne centrale des rayons (4) et la ligne centrale des rayons (4) est disposée de manière excentrée par rapport à l'axe longitudinal (5) de la crémaillère (2).
PCT/EP2013/068700 2012-09-10 2013-09-10 Crémaillère pour un système de direction d'un véhicule automobile, mécanisme de direction et pièce de pression WO2014037579A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012108423.8 2012-09-10
DE102012108423.8A DE102012108423A1 (de) 2012-09-10 2012-09-10 Zahnstange für ein Lenksystem eines Kraftfahrzeugs, Lenkgetriebe und Druckstück

Publications (1)

Publication Number Publication Date
WO2014037579A1 true WO2014037579A1 (fr) 2014-03-13

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PCT/EP2013/068700 WO2014037579A1 (fr) 2012-09-10 2013-09-10 Crémaillère pour un système de direction d'un véhicule automobile, mécanisme de direction et pièce de pression

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Country Link
DE (1) DE102012108423A1 (fr)
WO (1) WO2014037579A1 (fr)

Cited By (5)

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Publication number Priority date Publication date Assignee Title
WO2018007379A1 (fr) * 2016-07-06 2018-01-11 Thyssenkrupp Presta Ag Crémaillère et procédé de fabrication d'une crémaillère pour engrenage de direction d'un véhicule automobile
US10919107B2 (en) 2016-07-06 2021-02-16 Thyssenkrupp Presta Ag Rack and method for producing a rack for a steering gear of a motor vehicle
US10926788B2 (en) 2016-07-06 2021-02-23 Thyssenkrupp Presta Ag Method for producing a toothed rack for a motor vehicle
US11072360B2 (en) 2016-07-06 2021-07-27 Thyssenkrupp Presta Ag Gear rack and method for producing a gear rack for a steering gear of a motor vehicle
US11298765B2 (en) 2016-07-06 2022-04-12 Thyssenkrupp Presta Ag Toothed rack and method for producing a toothed rack for a steering gear of a motor vehicle

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DE102018214039A1 (de) * 2018-08-21 2020-02-27 Robert Bosch Gmbh Verdrehsicherung der Zahnstange durch komplementäre Formen

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JPS59206258A (ja) * 1983-05-06 1984-11-22 Jidosha Kiki Co Ltd ラツクピニオン型ステアリング装置
DE19858681A1 (de) 1998-12-18 2000-06-21 Linde Tech Gase Gmbh Vehrfahren und Vorrichtug zur Lasermaterialbearbeitung mit einem Gasstrom geringer Strömungsgeschwindigkeit
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Publication number Priority date Publication date Assignee Title
GB976661A (en) * 1960-03-02 1964-12-02 Cam Gears Ltd A new or improved rack and pinion steering gear
DE1948612A1 (de) * 1968-12-05 1970-11-19 Barkas Werke Veb Elastisches Widerlager fuer die Zahnstange eines Kraftfahrzeug-Lenkgetriebes
FR2278985A1 (fr) * 1974-03-05 1976-02-13 Pitner Alfred Coussinet pour palier lisse
JPS5128919A (ja) * 1974-09-04 1976-03-11 Toyota Motor Co Ltd Sharyoyoratsuku pinionshikikajitorisochi
DE10049570A1 (de) * 1999-10-08 2002-04-18 Honda Motor Co Ltd Elektrische Servolenkvorrichtung
DE102011003086A1 (de) * 2011-01-25 2012-07-26 Ford Global Technologies, Llc Zahnstangenlenkgetriebe und damit ausgestattete Servolenkung

Cited By (8)

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WO2018007379A1 (fr) * 2016-07-06 2018-01-11 Thyssenkrupp Presta Ag Crémaillère et procédé de fabrication d'une crémaillère pour engrenage de direction d'un véhicule automobile
CN109415081A (zh) * 2016-07-06 2019-03-01 蒂森克虏伯普利斯坦股份公司 齿条和用于生产机动车辆的转向装置的齿条的方法
US10919107B2 (en) 2016-07-06 2021-02-16 Thyssenkrupp Presta Ag Rack and method for producing a rack for a steering gear of a motor vehicle
US10926788B2 (en) 2016-07-06 2021-02-23 Thyssenkrupp Presta Ag Method for producing a toothed rack for a motor vehicle
US11072360B2 (en) 2016-07-06 2021-07-27 Thyssenkrupp Presta Ag Gear rack and method for producing a gear rack for a steering gear of a motor vehicle
US11077875B2 (en) 2016-07-06 2021-08-03 Thyssenkrupp Presta Ag Rack and a method for producing a rack for a steering gear of a motor vehicle
CN109415081B (zh) * 2016-07-06 2021-10-01 蒂森克虏伯普利斯坦股份公司 齿条和用于生产机动车辆的转向装置的齿条的方法
US11298765B2 (en) 2016-07-06 2022-04-12 Thyssenkrupp Presta Ag Toothed rack and method for producing a toothed rack for a steering gear of a motor vehicle

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