About 25 results
https://drivepatents.com/patents/1370193 · 17 Oct 2024
Wireless power transfer (WPT) systems having first and second primary windings and a secondary load winding are described. The WPT systems are configured such that the mutual inductance between the first and second primary windings is zero or substantially...
https://drivepatents.com/patents/937993 · 14 Sep 2016
A conductor arrangement structure for a wireless power supply system which is equipped with a ground-side device (3) that is installed on a ground side and has a power-feeding coil (L1) and a vehicle-side device (2) that is installed on a vehicle (1) and h...
https://drivepatents.com/patents/939834 · 3 Aug 2016
A non-contact power feeding device feeds electric power in a non-contact manner from a transmission coil 31 installed on ground to a reception coil 32 of a mobile object stopping at a feeding position. The device includes, on the ground, an inverter 20 tha...
https://drivepatents.com/patents/943058 · 18 May 2016
Disclosed is a contactless power supply device which supplies power in a contactless manner, and adopts a configuration including a power supply coil that generates an electromagnetic field and supplies power, a case that houses the power supply coil, a wi...
https://drivepatents.com/patents/943567 · 4 May 2016
A power transmission device having a surface a part of which defines a power transmission plane, the device includes: a power transmission circuit converting DC power into AC power; and a power transmission coil structure including 2N planar coils laminate...
https://drivepatents.com/patents/945919 · 16 Mar 2016
A wireless power supply system (1) includes a power supply coil (20) installed on the ground, an inner balloon (30a) in which a power supply coil is mounted and configured to expand and contract to adjust a vertical position of the power supply coil, and a...
https://drivepatents.com/patents/953628 · 17 Feb 2016
The present disclosure provides a non-contact charging apparatus including a power transmitting coil 1 and a power receiving coil 2 which face each other. At least one of the power transmitting coil 1 or the power receiving coil 2 includes a magnetic body ...
https://drivepatents.com/patents/953618 · 17 Feb 2016
A power supply device of the present invention includes a power transmission unit (15) configured to wirelessly supply power to the power receiving unit (9). The power transmission unit (15) includes: a ground-side coil (13); and a housing (21) set on a gr...
https://drivepatents.com/patents/957576 · 16 Sep 2015
A wireless power supply device, which supplies electric power to a movable body (M) by causing an end surface of a power supply coil (1a) that is provided in an electric power supply space to face a power receiving coil that is provided in the movable body...
https://drivepatents.com/patents/949572 · 12 Aug 2015
A wireless power-supplying system includes a power-transmitting coil (4) provided on the ground and a power-receiving coil (11) provided above the power-transmitting coil (4) and wirelessly supplies electric power from the power-transmitting coil (4) to th...