About 60 results
https://drivepatents.com/patents/978044 · 26 Feb 2014
A resonance-type non-contact power supply system (10) includes a transmitting side metal shield (80) to cover an area around a primary coil (30) and a primary resonance coil (35). One end of a coaxial cable outer conductor (64) of a transmitting side coaxi...
https://drivepatents.com/patents/978839 · 5 Feb 2014
Provided is a power transmission system that can easily and accurately determine a frequency for power transmission, leading to an improvement in energy-transmission efficiency. The power transmission system of the present invention includes: a switching e...
https://drivepatents.com/patents/982194 · 6 Nov 2013
A non-contact charging device is provided with: a power receiving device which has at least a power receiving coil (1B) which receives electrical power, in a non-contact manner, from a power transmitting coil (1A) by means of a magnetic connection; a batte...
https://drivepatents.com/patents/982536 · 30 Oct 2013
Disclosed is a power feed system which can highly efficiently feed power to a power receiving unit from a power feed-side even though distance fluctuation or lateral shift occurs between a power feed-side helical coil and a power receiving-side helical coi...
https://drivepatents.com/patents/992323 · 20 Mar 2013
Power supply equipment (10) is provided with an AC power supply (11) and a primary-side resonance coil (13b). Movable body equipment (20) is provided with a secondary-side resonance coil (21 b), which receives power from the primary-side coil, a rectifier ...
https://drivepatents.com/patents/992321 · 20 Mar 2013
Power reception equipment (20) is provided with: a secondary side resonance coil (21 b) which receives power from a primary side resonance coil (13b) of power supply equipment (10); and a rectifier (23) which rectifies the received power. The power recepti...
https://drivepatents.com/patents/1001142 · 20 Jun 2012
In a non-contact power feeding apparatus 7 of the present invention, power is fed through an air gap G from a power transmission coil 8 of a power feeding side circuit 4 to a power receiving coil 9 of a power receiving side circuit 5, which are closely loc...
https://drivepatents.com/patents/1010236 · 10 Aug 2011
The charging system has a central conductive changer unit and multiple spatially distributed charging stations (28) with respective charging installation units (30), where the respective charging installation units of the central conductive changer unit ar...
https://drivepatents.com/patents/1012051 · 15 Jun 2011
A self-resonant coil (110, 240) to be used in a non-contact electric power transfer device capable of at least one of electric power transmission and electric power reception by using magnetic field resonance, wherein a coil having a circular shape in a cr...
https://drivepatents.com/patents/1014587 · 30 Mar 2011
The invention relates to an automatic method for controlling a high-frequency inductive coupling power transfer system, which maintains the transferred power at a load equal to the nominal load with misalignments of up to 99% of the area of the secondary, ...