Back to results
US 2013/0201591 A1Published application
Residual magnetic devices and methods
AssigneeStrattec Security Corporation
InventorsSteven J. Dimig, Gregory J. Organek, Michael G. Feucht
Life of this patent
Estimating the term…
Abstract
Residual magnetic locks, brakes, rotation inhibitors, clutches, actuators, and latches. The residual magnetic devices can include a core housing and an armature. The residual magnetic devices can include a coil that receives a magnetization current to create an irreversible residual magnetic force between the core housing and the armature.
Claims29
A method of coupling a first element to a second element, the method comprising:
- forming a substantially closed magnetic path between an armature and a core housing in order to create an irreversible residual magnetic force with a magnetic air gap energy of at least 6652 (line-amp-turn)/cm3;
- and
- coupling the first element to the second element due to the irreversible residual magnetic force.
25-52. (canceled)
A method of coupling a first element to a second element, the method comprising:
- providing a first level of power to a coil in order to create a first irreversible residual magnetic force between a core housing and an armature force with a magnetic air gap energy of at least 6652 (line-amp-turn)/cm3, the first level of power not saturating the core housing and the armature;
- and
- coupling the first element to the second element due to the first irreversible residual magnetic force.
Dependencies are inferred from the claim text.