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1. WO2020109066 - SLIDING BEARING BUSHING FOR A STEERING SYSTEM

Publication Number WO/2020/109066
Publication Date 04.06.2020
International Application No. PCT/EP2019/081719
International Filing Date 19.11.2019
IPC
F16C 29/00 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
CSHAFTS; FLEXIBLE SHAFTS; MECHANICAL MEANS FOR TRANSMITTING MOVEMENT IN A FLEXIBLE SHEATHING; ELEMENTS OF CRANKSHAFT MECHANISMS; PIVOTS; PIVOTAL CONNECTIONS; ROTARY ENGINEERING ELEMENTS OTHER THAN GEARING, COUPLING, CLUTCH OR BRAKE ELEMENTS; BEARINGS
29Bearings for parts moving only linearly
F16C 29/02 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
CSHAFTS; FLEXIBLE SHAFTS; MECHANICAL MEANS FOR TRANSMITTING MOVEMENT IN A FLEXIBLE SHEATHING; ELEMENTS OF CRANKSHAFT MECHANISMS; PIVOTS; PIVOTAL CONNECTIONS; ROTARY ENGINEERING ELEMENTS OTHER THAN GEARING, COUPLING, CLUTCH OR BRAKE ELEMENTS; BEARINGS
29Bearings for parts moving only linearly
02Sliding-contact bearings
F16C 29/12 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
CSHAFTS; FLEXIBLE SHAFTS; MECHANICAL MEANS FOR TRANSMITTING MOVEMENT IN A FLEXIBLE SHEATHING; ELEMENTS OF CRANKSHAFT MECHANISMS; PIVOTS; PIVOTAL CONNECTIONS; ROTARY ENGINEERING ELEMENTS OTHER THAN GEARING, COUPLING, CLUTCH OR BRAKE ELEMENTS; BEARINGS
29Bearings for parts moving only linearly
12Arrangements for adjusting play
CPC
B62D 5/0424
BPERFORMING OPERATIONS; TRANSPORTING
62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
DMOTOR VEHICLES; TRAILERS
5Power-assisted or power-driven steering
04electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
0421Electric motor acting on or near steering gear
0424the axes of motor and final driven element of steering gear, e.g. rack, being parallel
B62D 5/0448
BPERFORMING OPERATIONS; TRANSPORTING
62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
DMOTOR VEHICLES; TRAILERS
5Power-assisted or power-driven steering
04electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
0442Conversion of rotational into longitudinal movement
0445Screw drives
0448Ball nuts
F16C 2326/24
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
2326Articles relating to transporting
20Land vehicles
24Steering systems, e.g. steering rods or columns
F16C 29/00
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
29Bearings for parts moving only linearly
F16C 29/002
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
29Bearings for parts moving only linearly
002Elastic or yielding linear bearings or bearing supports
F16C 29/005
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
29Bearings for parts moving only linearly
005Guide rails or tracks for a linear bearing, i.e. adapted for movement of a carriage or bearing body there along
Applicants
  • ROBERT BOSCH GMBH [DE]/[DE]
Inventors
  • HOERSCH, Juergen
  • NAGEL, Armin
  • BECK, Jan
  • BESTER, Stephanus Sebastiaan
  • URBAN, Karl-Heinz
  • VOLPP, Bjoern
  • HELD, Christian
  • BUERCKERT, Matthias
Priority Data
10 2018 220 314.827.11.2018DE
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) GLEITLAGERBUCHSE FÜR EIN LENKSYSTEM
(EN) SLIDING BEARING BUSHING FOR A STEERING SYSTEM
(FR) COUSSINET LISSE POUR UN SYSTÈME DE DIRECTION
Abstract
(DE)
Steer-by-wire Lenksystem für ein Kraftfahrzeug mit einer Lenkstange (3), mit einer elektrischen Servoeinheit, welche die Lenkstange (3) verschieben kann, mit einem Gleitlager (10), welches die Lenkstange (3) in einem Gehäuse (11) radial lagert, wobei das Gehäuse (11), das Gleitlager (10) und die Lenkstange (3) komplementäre Geometrien aufweisen, wodurch die Lenkstange (3) gegen Verdrehung gesichert ist, wobei das Gleitlager (10) in Umfangsrichtung aus mehreren Segmenten besteht, wobei mindestens ein Segment eine Gleitlagerstelle (12) für die radiale Lagerung ist, wobei mindestens ein Segment ein Stützelement (13) für die Verdrehsicherung in eine Drehrichtung ist, und wobei mindestens ein Segment ein Stützelement (14) für die Verdrehsicherung in die entgegengesetzte Drehrichtung ist.
(EN)
The invention relates to a steer-by-wire system for a motor vehicle having a steering rod (3), an electric servo unit which can displace the steering rod (3), a sliding bearing (10) which radially supports the steering rod (3) in a housing (11), wherein the housing (11), the sliding bearing (10) and the steering rod (3) have complementary geometries, as a result of which the steering rod (3) is prevented from rotating. The sliding bearing (10) consists of multiple segments in the circumferential direction, at least one segment being a sliding bearing point (12) for radial bearing, at least one segment being a supporting element (13) for preventing rotation in one rotation direction, and at least one segment being a supporting element (14) for preventing rotation in the opposite rotation direction.
(FR)
L'invention concerne un système de direction à commande par câble électrique pour un véhicule automobile avec une barre de direction (3), comprenant une unité d'asservissement électrique, laquelle peut faire coulisser la barre de direction (3), un palier lisse (10), lequel monte radialement la barre de direction (3) dans un boîtier (11). Le boîtier (11), le palier lisse (10) et la barre de direction (3) présentent des géométries complémentaires, ce qui permet de bloquer la barre de direction (3) contre toute rotation. Le palier lisse (10) est constitué dans la direction périphérique de plusieurs segments. Au moins un segment est un emplacement (12) de palier lisse pour le montage radial. Au moins un segment est un élément d'appui (13) pour le blocage contre toute rotation dans une direction de rotation. Au moins un segment est un élément d'appui (14) pour le blocage contre toute rotation dans la direction de rotation opposée.
Also published as
Latest bibliographic data on file with the International Bureau