H - Electricity – 02 – K
Patent
H - Electricity
02
K
H02K 37/14 (2006.01) H02K 37/10 (2006.01)
Patent
CA 2360880
The invention aims at simplifying the structure of a rotary actuating drive, especially for a wave guide regulating switch comprising a permanent-magnet rotor (7) and several stator windings (1, 2, 3) surrounding the rotor in the form of a crown for generating magnetic fields aligning the rotor in a position amongst a plurality of positions. To this end, the actuating drive is provided with means (11, 12, 13, 14) for imparting a corrective torque on the rotor, which align the rotor (7) in a currentless state of the stator windings (1, 2, 3) to a target position amongst a second plurality of positions, wherein a target position is assigned to each position of the first plurality of positions.
L'objectif de l'invention est de simplifier la structure d'un servomoteur rotatif, en particulier la structure d'un servomoteur destiné à un commutateur (R) à guide d'ondes, qui comprend un rotor (7) à aimants permanents et plusieurs enroulements de stator (1, 2, 3) qui entourent en couronne le rotor et servent à la production de champs magnétiques qui font prendre au rotor une position parmi une première pluralité de positions. A cet effet, il est proposé de pourvoir le servomoteur de moyens (11, 12, 13, 14) destinés à exercer un couple de correction sur le rotor, lesquels font passer le rotor (7) à une position cible parmi une seconde pluralité de positions, lorsque les enroulements de stator (1, 2, 3) sont sans courant, une position cible étant associée à chaque position de la première pluralité de positions.
Fetherstonhaugh & Co.
Robert Bosch Gmbh
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