Dc-biased axial magnetic bearing

F - Mech Eng,Light,Heat,Weapons – 16 – C

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

F16C 39/06 (2006.01) F16C 32/04 (2006.01)

Patent

CA 2192475

A DC-biased axial magnetic bearing includes a rotating member (50) (or shaft) having a radially extending tab (or support) (52) located between a pair of teeth (62, 64) of a C-shaped control member (60). A permanent magnet (68) provides a DC magnetic field (82) which travels through an overhanging arm (70) and provides a DC bias attractive force between a surface (72) of the arm (70) and an upper surface (74) of the shaft (50) which levitates the shaft (50) such that the tab (52) is equally spaced between the surfaces (62, 64). Coils are wrapped circumferentially around the shaft (50) within the C-shaped control member (60) and current through the coils provides electromagnetic trim control of the position of the tab (52) between the surfaces (62, 64) in response to changes in axial position of the shaft (50) indicated by position sensors (96). The bearing may also be used in horizontal applications, e.g., in an engine.

Un palier magnétique de butée, polarisé par un courant continu, supporte un élément rotatif (50) (un arbre) présentant une patte (52) s'étendant radialement (un support), placée entre deux dents (62, 64) d'un élément de maintien (60) en forme de C. Un aimant permanent (68) crée un champ magnétique (82) à courant continu qui traverse un bras (70) et produit une force d'attraction à polarisation par courant continu entre une surface (72) du bras (70) et une surface supérieure (74) de l'arbre (50), ladite force maintenant l'arbre (50) en lévitation de sorte que la patte (52) se trouve à égale distance de chacune des surfaces (62, 64). Des bobines sont enroulées de façon circonférentielle autour de l'arbre (50), à l'intérieur de l'élément de maintien (60) en forme de C, le courant traversant les bobines maintenant, par un équilibrage électromagnétique, la patte (52) entre les surfaces (62, 64), en fonction des variations de la position axiale de l'arbre (50) indiquées par des capteurs de position (96). Un tel palier peut également être utilisé dans des mécanismes horizontaux, par exemple dans un moteur.

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Dc-biased axial magnetic bearing does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Dc-biased axial magnetic bearing, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dc-biased axial magnetic bearing will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1597065

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.