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1. WO2020193344 - REDUCED-WIDTH INDUCTIVE POSITION SENSOR

Publication Number WO/2020/193344
Publication Date 01.10.2020
International Application No. PCT/EP2020/057554
International Filing Date 19.03.2020
IPC
G01D 5/20 2006.01
GPHYSICS
01MEASURING; TESTING
DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; TRANSFERRING OR TRANSDUCING ARRANGEMENTS NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
5Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
12using electric or magnetic means
14influencing the magnitude of a current or voltage
20by varying inductance, e.g. by a movable armature
CPC
G01D 5/2053
GPHYSICS
01MEASURING; TESTING
DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
5Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
12using electric or magnetic means
14influencing the magnitude of a current or voltage
20by varying inductance, e.g. by a movable armature
204by influencing the mutual induction between two or more coils
2053by a movable non-ferromagnetic conductive element
Applicants
  • VITESCO TECHNOLOGIES GMBH [DE]/[DE]
Inventors
  • FONTANET, Alain
  • ROUX, Jean-Louis
Agents
  • MALANDIN, Sandrine
Priority Data
FR190298122.03.2019FR
Publication Language French (FR)
Filing Language French (FR)
Designated States
Title
(EN) REDUCED-WIDTH INDUCTIVE POSITION SENSOR
(FR) CAPTEUR DE POSITION INDUCTIF DE LARGEUR RÉDUITE
Abstract
(EN)
The invention relates to an inductive position sensor comprising a primary winding as well as at least two secondary windings (6) each consisting of several turns (10) formed by a succession of sides (22, 23) and produced on two opposite faces of a printed circuit board. Two pairs of two adjacent sides (22, 23) of each turn (10) of at least one secondary winding (6) form a first point (9) directed towards a first longitudinal end and a second point directed towards a second longitudinal end of the printed circuit board, a projection on a plane of the printed circuit board of the two adjacent sides (22, 23) of each pair defining therebetween an acute projected angle.
(FR)
L'invention concerne un capteur de position inductif comportant, d'une part, un bobinage primaire et, d'autre part, au moins deux bobinages secondaires (6) constitués chacun de plusieurs spires (10) formées d'une succession de côtés (22, 23) et réalisées sur deux faces opposées d'une carte de circuit imprimé. Deux paires de deux côtés (22, 23) adjacents de chaque spire (10) d'au moins un bobinage secondaire (6) forment une première pointe (9) dirigée vers une première extrémité longitudinale et une deuxième pointe dirigée vers une deuxième extrémité longitudinale de la carte de circuit imprimé, une projection sur un plan de la carte de circuit imprimé des deux côtés (22, 23) adjacents de chaque paire délimitant entre eux un angle projeté aigu.
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