G - Physics – 01 – R
Patent
G - Physics
01
R
G01R 33/12 (2006.01) G01R 33/022 (2006.01) G01R 33/038 (2006.01)
Patent
CA 2691628
An apparatus and method is provided for measuring magnetic force response time due to the magnetic viscosity of materials and for measuring total energy exchanged due to relative motion of magnetic materials. Voltage and current versus time through an electromagnet is measured and recorded. Corresponding force versus time is measured for magnetic forces applied to a material under test in response to energizing the electromagnet to determine effects of magnetic viscosity of the material under test. A test system is also provided for measuring energy exchanged due to the relative motion of magnetic materials. Absolute values of transferred mechanical energy and electrical energy are combined to determine the total energy exchanged by interaction of a permanent magnet and an electromagnet. An apparatus and method is provided for measuring magnetic force response time due to the magnetic viscosity of materials and for measuring total energy exchanged due to relative motion of magnetic materials. Voltage and current versus time through an electromagnet is measured and recorded. Corresponding force versus time is measured for magnetic forces applied to a material under test in response to energizing the electromagnet to determine effects of magnetic viscosity of the material under test. A test system is also provided for measuring energy exchanged due to the relative motion of magnetic materials. Absolute values of transferred mechanical energy and electrical energy are combined to determine the total energy exchanged by interaction of a permanent magnet and an electromagnet.
L'invention porte sur un appareil et sur un procédé pour mesurer un temps de réponse de force magnétique dû à la viscosité magnétique de matériaux et pour mesurer l'énergie totale échangée en raison d'un mouvement relatif de matériaux magnétiques. La tension et le courant en fonction du temps à travers un électroaimant sont mesurés et enregistrés. Une force correspondante en fonction du temps est mesurée pour des forces magnétiques appliquées à un matériau à tester en réponse à l'excitation de l'électroaimant pour déterminer des effets de la viscosité magnétique du matériau à tester. Un système de test est également proposé pour mesurer l'énergie échangée en raison du mouvement relatif de matériaux magnétiques. Des valeurs absolues d'énergie mécanique transférée et d'énergie électrique transférée sont combinées pour déterminer l'énergie totale échangée par interaction d'un aimant permanent et d'un électroaimant.
Flood Martin
Mccarthy Sean David
Simpson Alan
Sorin Maxime
Norton Rose Or S.e.n.c.r.l.,s.r.l./llp
Steorn Limited
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