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US 11,152,823 B2Granted
Translation unit for wireless power transfer
AssigneeSpark Connected LLC
InventorsPetru Emanuel Stingu, Kenneth Moore, Yulong Hou, Ruwanga Dassanayake
Life of this patent
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Abstract
In an embodiment, a wireless power transmitter module includes a sensing grid configured to detect a receiver, a movable wireless power transmitter unit including a wireless power transmitter coil, and a two-dimensional linear motor including a plurality of linear motor coils configured to move the movable wireless power transmitter unit in a two-dimensional plane towards a location of the receiver.
Claims22
A wireless power transmitter comprising:
- a sensing grid comprising sensors arranged in rows and columns, wherein the sensing grid is configured to detect a receiver;
- a movable wireless power transmitter comprising a wireless power transmitter coil;
- and
- a two-dimensional linear motor comprising a plurality of linear motor coils configured to move the movable wireless power transmitter in a two-dimensional plane towards a location of the receiver.
1 more element
A method for wireless power transfer, the method comprising:
- detecting a receiver using a sensing grid comprising sensors arranged in rows and columns;
- and
- moving a movable wireless power transmitter that comprises a wireless power transmitter coil in a two-dimensional plane towards a location of the receiver using a two-dimensional linear motor.
A wireless power transmitter comprising:
- a sensing grid configured to detect a receiver, the sensing grid located in a sensing layer;
- a fixed layer that is parallel to the sensing layer, the fixed layer comprising a metal;
- a movable wireless power transmitter comprising a wireless power transmitter coil, the movable wireless power transmitter located between the sensing layer and the fixed layer;
- and
- a two-dimensional linear motor comprising a plurality of linear motor coils configured to move the movable wireless power transmitter in a two-dimensional plane towards a location of the receiver, wherein the two-dimensional plane is parallel to the sensing layer.
2 more elements
Dependencies are inferred from the claim text.