Rotary electromagnetic actuator

H - Electricity – 01 – F

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

H01F 7/08 (2006.01) H01F 7/14 (2006.01) H02K 37/02 (2006.01) H02K 37/12 (2006.01) H02K 37/14 (2006.01)

Patent

CA 2193990

A rotary electromagnetic actuator comprises a rotatable shaft carrying a rotor which is rotatable relative to a stator. A magnetic circuit is set up which comprises the stator and the rotor, the reluctance of the magnetic circuit being dependent on the relative rotational orientation of the rotor and stator and decreasing in a particular direction of rotation such that the reluctance is a minimum at an equilibrium position to which the rotor is therefore biased. The rotor is selectively impelled to advance away from the equilibrium position, subsequently again becoming part of a magnetic circuit, the reluctance of which decreases in the direction of rotation to a minimum at an equilibrium position to which the rotor becomes biased. The actuator provides unidirectional rotation for successive actuations at substantially uniform torque and is suitable for use in actuating rotary devices such as rotary valves.

Actionneur rotatif électromagnétique comprenant un arbre rotatif supportant un rotor apte à être mis en rotation par rapport à un stator. On a établi un circuit magnétique comprenant le stator et le rotor, dont la réluctance dépend de l'orientation rotationnelle relative du rotor et du stator, et décroît dans un sens particulier de rotation de manière à devenir pratiquement nulle lorsque le rotor atteint une position d'équilibre à laquelle il est alors polarisé. Le rotor est contraint sélectivement de s'éloigner de cette position d'équilibre, redevenant ainsi ultérieurement partie d'un circuit magnétique dont la réluctance décroît dans le sens de rotation, jusqu'à devenir pratiquement nulle lorsque le rotor atteint une position d'équilibre à laquelle il est polarisé. L'actionneur permet une rotation unidirectionnelle destinée à des entraînements successifs à un couple sensiblement uniforme et il est conçu pour être utilisé dans des dispositifs rotatifs d'entraînement tels que des vannes rotatives.

LandOfFree

Say what you really think

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

Rating

Rotary electromagnetic actuator does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Rotary electromagnetic actuator, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Rotary electromagnetic actuator will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1377529

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