F - Mech Eng,Light,Heat,Weapons – 16 – C
Patent
F - Mech Eng,Light,Heat,Weapons
16
C
F16C 39/06 (2006.01)
Patent
CA 2277780
The invention concerns a 1-active-axis rotary magnetic bearing comprising: a first portion including, around a rotation axis, two ring-shaped radially internal (23) and radially external (24) polar parts and a ring-shaped magnet with permanent magnetisation (25) set between a first linking polar portion integrated with the radially external polar part and a second linking polar portion integrated with the radially internal polar part; a second portion comprising two closing ring-shaped polar parts (26, 27) axially arranged on either side of the first portion, and comprising ring-shaped sections (26A, 27A) axially arranged opposite the ring-shaped polar parts through ring-shaped air gaps. The ring-shaped magnet (25) has axial magnetisation, and the first and second linking polar portions (23A, 24A) between which the permanent magnet is placed are arranged transversal to the axis.
Un palier magnétique rotatif à 1-axe actif comporte: une première portion comportant, autour d'un axe de rotation, deux pièces polaires annulaires radialement externe (23) et interne (24) et un aimant annulaire à aimantation permanente (25) interposé entre une première portion polaire de liaison solidaire de la pièce polaire annulaire radialement externe et une seconde portion polaire de liaison solidaire de la pièce polaire annulaire radialement interne; une seconde portion comportant deux pièces polaires annulaires de fermeture (26, 27) disposées axialement de part et d'autre de la première portion, et comportant des tranches annulaires (26A, 27A) disposées axialement en regard des pièces polaires annulaires au travers d'entrefers annulaires. L'aimant annulaire (25) est à aimantation axiale, et les première et seconde portions polaires de liaison (23A, 24A) entre lesquelles l'aimant permanent est interposé sont disposées transversalement à l'axe.
Bernus Christophe
Lambert Charles
Aerospatiale Societe Nationale Industrielle
Bernus Christophe
Lambert Charles
Smart & Biggar
LandOfFree
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