F - Mech Eng,Light,Heat,Weapons – 16 – C
Patent
F - Mech Eng,Light,Heat,Weapons
16
C
F16C 32/04 (2006.01) F03G 3/08 (2006.01) F16C 39/06 (2006.01) F16F 15/315 (2006.01) H02K 7/09 (2006.01)
Patent
CA 2698207
Upon operation, flywheel assemblies sand other such rotational mechanisms are released by mechanical backup bearings, which then normally remain disengaged until shutdown as the flywheel assembly is levitated by the axial magnetic field. However, either due to over heating of bearings, power failure or other stimuli, flywheels often suffer a phenomenon deemed as touchdown down from the levitation state. During this touchdown event, flywheels inherently lose rotational momentum, thus ceasing to generate and release power and often cause damage to components as well as casing. Enhancements developed herein, through the introduction of the instant secondary hybrid touchdown bearing system, allow flywheels and other such systems to retain rotational momentum and continue generation of energy. Further, the instant system negates damage to system components, as well as bearing wear.
En fonctionnement un volant d'inertie ou autre machine tournante similaire se libère des paliers mécaniques d'appoint qui restent normalement sans contact jusqu'à l'arrêt puisqu'un volant qui tourne est en état de lévitation sous l'effet d'un champ magnétique axial. Cependant suite à la surchauffe des paliers, à une panne de courant ou à d'autres stimuli, un volant d'inertie souffre souvent d'un phénomène dit de retombée à partir de l'état de lévitation. Ledit phénomène fait perdre au volant sa quantité de mouvement et il cesse de produire et de libérer de l'énergie, ce qui peut endommager les composants et le carter de la machine. Les améliorations de l'invention grâce à l'intervention d'un système de palier hybride de retombée selon l'invention permettent dans ces cas aux volants d'inertie et aux machines similaires de conserver leur quantité de mouvement et de continuer à produire de l'énergie. Ledit système empêche en outre d'endommager les composants du système tout en supprimant l'usure des paliers.
Arseneaux James
Wang Jimpo
Beacon Power Corporation
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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