WIRELESS POWER TRANSMISSION SYSTEM

Organization Name

DENSO CORPORATION

Inventor(s)

Masaya Takahashi of Kariya-city (JP)

Mitsuru Shibanuma of Kariya-city (JP)

Kazuyuki Kato of Kariya-city (JP)

Yusei Nakayashiki of Kariya-city (JP)

Eisuke Takahashi of Kariya-city (JP)

Nobuhisa Yamaguchi of Kariya-city (JP)

WIRELESS POWER TRANSMISSION SYSTEM - A simplified explanation of the abstract

This abstract first appeared for US patent application 18232690 titled 'WIRELESS POWER TRANSMISSION SYSTEM

Simplified Explanation

The abstract describes a wireless power transmission system that transfers electric power from a transmitter to a receiver without the need for physical connections.

The system uses resonance between capacitors and inductors to efficiently transfer power wirelessly.
The primary capacitor in the primary resonant circuit is set to resonate with the self-inductance of the primary coil at the operating frequency.
The tertiary capacitor in the tertiary resonant circuit is set to resonate with the self-inductance of the tertiary coil.
The secondary capacitor in the secondary resonant circuit is set to reduce the reactive component of AC power caused by the self-inductances and mutual inductances of the primary, secondary, and tertiary coils.

Original Abstract Submitted

A wireless power transmission system is provided which wirelessly transfer electric power from a power transmitter to a power receiver. The wireless power transmission system works to set a capacitance of a primary capacitor of a primary resonant circuit to undergo resonance with a self-inductance of a primary coil at an angular frequency that is an operating frequency. A tertiary capacitor of a tertiary resonant circuit has a capacitance set to undergo resonance with a self-inductance of a tertiary coil. A secondary capacitor of a secondary resonant circuit has a capacitance set to reduce a reactive component of ac power arising from self-inductances and mutual inductances of the primary coil, the secondary coil, and the tertiary coil.