H - Electricity – 02 – K
Patent
H - Electricity
02
K
H02K 5/16 (2006.01) H02K 1/27 (2006.01) H02K 1/30 (2006.01) H02K 21/26 (2006.01) H02K 49/00 (2006.01) H02K 49/02 (2006.01) H02K 49/04 (2006.01) H02K 1/02 (2006.01) H02K 3/02 (2006.01)
Patent
CA 2286717
A magnet coupler (10) includes a first shaft (12) having a first axis (14). A second shaft (16) is separated from the first shaft, and the second shaft has a second axis (18) that is aligned with the first axis. A rotary magnet unit (20) is mounted to rotate about the first shaft. The rotary magnet unit includes an array of U-shaped permanent magnet assemblies (22) radially located at a first distance (R1) from the first shaft wherein each of permanent magnet assemblies has an opening that is oriented toward the second shaft. A rotary electroconductive unit (24) is mounted to rotate about the second shaft. The rotary electroconductive unit includes a U-shaped conductor assembly (26) radially located at a second distance (R2) from the second shaft which distance is less than the first distance for the purpose of increasing magnetic moment arm and hence increasing torque over levels achievable in comparable couplers.
Cette invention se rapporte à un coupleur magnétique (10) comprenant un premier arbre (12) ayant un premier (14). Un second arbre (16) est séparé du premier arbre et possède un second axe (18) aligné sur le premier axe. Une unité magnétique rotative (20) est monté en rotation autour du premier arbre. Cette unité magnétique rotative comprend un alignement d'aimants permanents en U (22) disposés radialement à une première distance (R¿1?) du premier arbre. Ces aimants permanents possèdent chacun une ouverture qui est orientée du côté du second arbre. Une unité électroconductrice rotative (24) est montée en rotation autour du second arbre. Cette unité électroconductrice rotative comprend un conducteur en U (26) disposé radialement à une seconde distance (R¿2) du second arbre. Cette seconde distance est inférieure à la première distance, ce qui augmente le bras de moment magnétique et, partant, le couple, au-delà des niveaux pouvant être obtenus dans des coupleurs comparables.
Smart & Biggar
Zornes David A.
LandOfFree
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