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1. WO2020109713 - APPARATUS FOR CONTACTLESSLY MEASURING THE WEIGHT OF A MOVING ASSEMBLY

Publication Number WO/2020/109713
Publication Date 04.06.2020
International Application No. PCT/FR2019/052804
International Filing Date 26.11.2019
IPC
G01G 7/02 2006.01
GPHYSICS
01MEASURING; TESTING
GWEIGHING
7Weighing apparatus wherein the balancing is effected by magnetic, electromagnetic, or electrostatic action, or by means not provided for in groups G01G1/-G01G5/199
02by electromagnetic action
G01G 7/06 2006.01
GPHYSICS
01MEASURING; TESTING
GWEIGHING
7Weighing apparatus wherein the balancing is effected by magnetic, electromagnetic, or electrostatic action, or by means not provided for in groups G01G1/-G01G5/199
06by electrostatic action
CPC
G01G 7/02
GPHYSICS
01MEASURING; TESTING
GWEIGHING
7Weighing apparatus wherein the balancing is effected by magnetic, electromagnetic, or electrostatic action, or by means not provided for in the preceding groups
02by electromagnetic action
G01G 7/06
GPHYSICS
01MEASURING; TESTING
GWEIGHING
7Weighing apparatus wherein the balancing is effected by magnetic, electromagnetic, or electrostatic action, or by means not provided for in the preceding groups
06by electrostatic action
Applicants
  • ASSOCIATION POUR LA RECHERCHE ET LE DÉVELOPPEMENT DES MÉTHODES ET PROCESSUS INDUSTRIELS - ARMINES [FR]/[FR]
Inventors
  • STRINGARI, Paolo
  • PLAYS, Thibault
Agents
  • BREESE, Pierre
Priority Data
187187927.11.2018FR
Publication Language French (FR)
Filing Language French (FR)
Designated States
Title
(EN) APPARATUS FOR CONTACTLESSLY MEASURING THE WEIGHT OF A MOVING ASSEMBLY
(FR) ÉQUIPEMENT POUR LA MESURE SANS CONTACT DU POIDS D'UN EQUIPAGE MOBILE
Abstract
(EN)
The invention relates to an apparatus for contactlessly measuring the weight of an assembly that can move in translation along a vertical axis Z, said moving assembly comprising a permanent magnet APM that is magnetised along the Z axis, and means providing for the magnetic levitation of said moving assembly, the levitation means being associated with a means for measuring the force exerted between the moving assembly and the levitation means. The levitation means is a permanent magnet APF magnetised along the Z axis counter to the magnetisation of said movable permanent magnet APM, said magnets APM and APF being aligned along the vertical Z axis by means of a non-magnetic guide that extends through the moving assembly.
(FR)
L'invention concerne un équipement pour la mesure sans contact du poids d'un équipage mobile en translation selon un axe vertical Z, ledit équipage mobile comportement un aimant permanent APM aimanté selon ledit axe Z et des moyens pour assurer la lévitation magnétique dudit équipage mobile, ledit moyen de lévitation étant associé à un moyen de mesure de la force exercée entre ledit équipage mobile et ledit moyen de lévitation. Ledit moyen de lévitation est un aimant permanent, aimanté APF selon ledit axe Z, en opposé à l'aimantation dudit aimant permanent mobile APM, lesdits aimants APM et APF étant alignés selon ledit axe vertical Z par l'intermédiaire d'un guide non magnétique traversant ledit équipage mobile.
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