POWER TRANSMISSION SYSTEM AND POWER SUPPLY DEVICE FOR VEHICLES
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Accused Products
Abstract
A power transmission system has an AC power source and a high-frequency power driver that make up a high-frequency power source, and a primary self-resonant coil and a secondary self-resonant coil. The secondary self-resonant coil is magnetically coupled, by magnetic field resonance, to the primary self-resonant coil, and receives as a result high-frequency power from the primary self-resonant coil. The coils of the primary self-resonant coil and the secondary self-resonant coil resonate in an even mode when high-frequency power is transmitted from the primary self-resonant coil to the secondary self-resonant coil. Specifically, the primary self-resonant coil and the secondary self-resonant coil resonate in a state where currents in mutually opposite directions flow in the two coils.
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Citations
10 Claims
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1-5. -5. (canceled)
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6. A power transmission system, comprising:
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a high-frequency power source that generates high-frequency power; a first coil that receives the high-frequency power generated by the high-frequency power source; and a second coil that receives, by being magnetically coupled to the first coil through magnetic field resonance, the high-frequency power from the first coil, wherein a frequency of the high-frequency power and a parameter relating to the first and second coils are selected such that the first and second coils resonate in a state where currents in mutually opposite directions flow in the first and second coils when the high-frequency power is transmitted from the first coil to the second coil. - View Dependent Claims (7, 8, 9, 10)
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Specification