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1. WO2020201174 - ROTOR POSITION SENSOR FOR A MOTOR VEHICLE STEERING SYSTEM WITH MAGNETIC SHIELDING

Publication Number WO/2020/201174
Publication Date 08.10.2020
International Application No. PCT/EP2020/058886
International Filing Date 30.03.2020
IPC
B62D 5/04 2006.01
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
H02K 11/01 2016.01
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
11Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
01for shielding from electromagnetic fields
CPC
B62D 15/0235
BPERFORMING OPERATIONS; TRANSPORTING
62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
DMOTOR VEHICLES; TRAILERS
15Steering not otherwise provided for
02Steering position indicators ; ; Steering position determination; Steering aids
021Determination of steering angle
0235by measuring or deriving directly at the electric power steering motor
B62D 5/0406
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
0403characterised by constructional features, e.g. common housing for motor and gear box
0406including housing for electronic control unit
H02K 11/0141
H02K 29/08
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
29Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
06with position sensing devices
08using magnetic effect devices, e.g. Hall-plates, magneto-resistors
Applicants
  • THYSSENKRUPP PRESTA AG [LI]/[LI]
  • THYSSENKRUPP AG [DE]/[DE]
Inventors
  • KOVÁCS, Sándor
  • TÓTH, Tivadar Kristóf
  • VÉR, Ábel
Agents
  • THYSSENKRUPP INTELLECTUAL PROPERTY GMBH
Priority Data
10 2019 108 522.502.04.2019DE
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) ROTORLAGESENSOR FÜR EINE KRAFTFAHRZEUGLENKUNG MIT MAGNETISCHER ABSCHIRMUNG
(EN) ROTOR POSITION SENSOR FOR A MOTOR VEHICLE STEERING SYSTEM WITH MAGNETIC SHIELDING
(FR) CAPTEUR DE POSITION DE ROTOR POUR DIRECTION DE VÉHICULE À MOTEUR AVEC BLINDAGE MAGNÉTIQUE
Abstract
(DE)
Die Erfindung betrifft einen Rotorlagesensor (12) zum Erfassen einer Drehlage einer Motorwelle eines Elektromotors (8) einer Kraftfahrzeuglenkung (1) aufweisend einen Gebermagneten (14), der mit der Motorwelle (13) verbunden ist, einen ortsfesten Sensor (17), der dem Gebermagneten (14) zugeordnet ist und eine Auswerteeinheit, die dazu eingerichtet ist, anhand der Signale des Sensors (17) die Drehlage zu bestimmen, wobei der Rotorlage-sensor (12) eine Abschirmvorrichtung (21,22,23) umfasst, die dazu eingerichtet ist, den Sensor (17) vor externen magnetischen Störfeldern abzuschirmen.
(EN)
The invention relates to a rotor position sensor (12) for detecting a rotational position of a motor shaft of an electric motor (8) of a motor vehicle steering system (1), comprising a transducer magnet (14) connected to the motor shaft (13), a stationary sensor (17) assigned to the transducer magnet (14), and an evaluation unit which is designed to determined the rotational position based on the signals of the sensor (17), wherein the rotor position sensor (12) comprises a shielding device (21, 22, 23) which is designed to shield the sensor (17) against external interfering magnetic fields.
(FR)
L’invention concerne un capteur de position de rotor (12) permettant de détecter une position de rotation d’un arbre moteur d’un moteur électrique (8) d’une direction de véhicule à moteur (1), ledit capteur comprenant : un aimant transmetteur (14) qui est relié à l’arbre moteur (13) ; un capteur fixe (17) qui est associé à l’aimant transmetteur (14) ; et une unité d’interprétation conçue pour déterminer la position de rotation à l’aide des signaux du capteur (17), le capteur de position du rotor (12) comprenant un dispositif de blindage (21, 22, 23) conçu pour protéger le capteur (17) contre les champs parasites magnétiques externes.
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