Electricity: measuring and testing – Magnetic – Displacement
Patent
1984-07-30
1987-07-21
Strecker, Gerard R.
Electricity: measuring and testing
Magnetic
Displacement
324209, 324226, 180142, 34087032, G01B 714, G01B 724
Patent
active
046821040
ABSTRACT:
The contactless angular displacement and/or torque pickup is characterized in that it comprises two electrically insulating coaxial disks (7a, 7b) that can turn in relation to one another by an angle to be detected and that carry on their opposing faces conductive plane coils (8) in the shape of spirally wound sectors coiled alternately in both directions and whose mutual induction varies as a function of the relative angular position of the detection disks (7a, 7b). Also included is a rotary transformer (6a, 6b) to supply one of the detection disks (7a, 7b), a circuit (18) for supplying the primary (11a) of the rotary transformer and a circuit (17, 18) for processing the signal (S) collected on one of the detection disks (7a, 7b).
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Brisset Jean-Paul
Catier Gerard
Lombard Claude
Marais Jean-Luc
Zammarchi Gino
Edmonds Warren S.
Regie Nationale des Usines Renault
Strecker Gerard R.
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