An inductive power transmitter for use in on-the-move dynamic charging of motor vehicles includes an elongate ribbon structure 22 for deployment on a road. The ribbon structure has a plurality of primary coils 14 for generating a magnetic field, the coils being housed between an undersurface 24 and a top surface 26 of the ribbon structure. The coils are disposed at intervals along the length of the ribbon structure and may be embedded in infill disposed between upper and lower skins of the ribbon structure. Lateral edge regions 28 of the top surface may be inclined downwards to give the ribbon structure a trapezoidal cross-sectional shape. A method of installing power transmission coils on a road includes: housing the coils in the elongate ribbon structure; laying the ribbon along the road; and securing the ribbon structure to the road, e.g., using adhesive to adhere the ribbon undersurface to an upper surface of the road. A settable or curable material may be applied over the ribbon structure, wherein setting/curing of the material forms a cover layer over the ribbon structure that extends laterally onto the road. A top surface of the cover layer may be shaped to provide a rumble-strip effect.
Inductive power transmitter
2024-10-23
Patent
Electronic Resource
English
DYNAMIC INDUCTIVE WIRELESS POWER TRANSMITTER SYSTEM WITH A POWER TRANSMITTER MODULE
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