Smart multicoil inductively-coupled array for wireless power transmission
First Claim
Patent Images
1. A power transmission system for wirelessly charging a load comprising:
- a power driver circuit;
a wireless power transmitter having;
a transmitter primary inductive unit coupled to said power driver circuit and configured to generate an alternating magnetic field;
a transmitter primary resonator receiving electrical power from the transmitter primary inductive unit by electromagnetic induction, said transmitter primary resonator including n inductive elements electrically connected together in parallel to form an array, a subset m of said n inductive elements being in mutual inductance with said transmitter primary inductive unit;
a wireless power receiver having;
a receiver secondary inductive unit for receiving electric power by magnetic field resonance;
a load electrically connected to and being supplied by said wireless power receiver;
wherein said wireless power transmitter and said wireless power receiver are in mutual inductance.
4 Assignments
0 Petitions
Accused Products
Abstract
A power surface or chamber having nearly constant electromagnetic field distribution in 3D comprising at least one primary coil and one primary resonance array made of several coils connected in parallel for generating the electromagnetic field distribution; a single power driver circuit for activating the coils; and a secondary coil and an optional secondary resonance coil to recover the generated electromagnetic field and power up an electric device.
-
Citations
11 Claims
-
1. A power transmission system for wirelessly charging a load comprising:
-
a power driver circuit; a wireless power transmitter having; a transmitter primary inductive unit coupled to said power driver circuit and configured to generate an alternating magnetic field; a transmitter primary resonator receiving electrical power from the transmitter primary inductive unit by electromagnetic induction, said transmitter primary resonator including n inductive elements electrically connected together in parallel to form an array, a subset m of said n inductive elements being in mutual inductance with said transmitter primary inductive unit; a wireless power receiver having; a receiver secondary inductive unit for receiving electric power by magnetic field resonance; a load electrically connected to and being supplied by said wireless power receiver; wherein said wireless power transmitter and said wireless power receiver are in mutual inductance. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
Specification