G - Physics – 01 – F
Patent
G - Physics
01
F
G01F 1/58 (2006.01) G01F 1/20 (2006.01) G01F 1/24 (2006.01)
Patent
CA 2226174
A magnetic reluctance flowmeter having a magnetic float in which a permanent magnet and soft iron pole pieces are arranged in such a manner that the resulting magnetic field passes directly through the yoke which is also made of soft iron. The shape of the yoke is such that, as the magnetic float is progressively displaced from its neutral position within the yoke, the magnetic field progressively saturates regions of the yoke causing some of this field to emanate into the space surrounding the yoke, in which locations this emanating field interacts with the magnetic field sensors in such a way as to modify the electrical signal produced by a sensing circuit.
Débitmètre à réluctance magnétique pourvu d'un flotteur magnétique dans lequel un aimant permanent et des pièces polaires en fer doux sont disposés de façon à ce que le champ magnétique résultant passe directement à travers le collier, également constitué de fer doux. La forme du collier est telle qu'à mesure que le flotteur magnétique est progressivement déplacé de sa position neutre dans le collier, le champ magnétique sature progressivement des régions du collier, ce qui provoque l'émanation d'une partie dudit champ dans l'espace entourant le collier, endroits dans lesquels ledit champ émanant interagit avec les capteurs de champ magnétique de manière à modifier le signal électrique produit par un circuit de détection.
Bersin Alex G.
Campbell Peter
Seto Robert A.
Cole-Parmer Instrument Company
Macrae & Co.
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