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US 2011/0057751 A1Published application
Switching device
OwnerWolfgang Feil, Jörg Hasselinventors
Life of this patent
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Abstract
A switching device includes a movable contact for opening and closing a circuit, and a magnetic shape memory alloy for driving the movable contact. In at least one embodiment, the switching device includes at least one actuator that activates the holding mode of the switching device.
Claims13
A switching device comprising:
- a movable contact to close and open a circuit;
- a magnetic shape memory alloy, by which a position of the movable contact is changeable;
- and
- a movably mounted magnet, a magnetic field acting on the magnetic shape memory alloy being changeable to close and open the circuit by virtue of changing a position of said movably mounted magnet.
1 more element
The switching device as claimed in 1, wherein a plate is provided which passes on the drive force of the shape memory alloy to the movable contact.
8-11. (canceled)
The switching device as claimed in 2, wherein a plate is provided which passes on the drive force of the shape memory alloy to the movable contact.
Dependencies are inferred from the claim text.