About 40 results
https://drivepatents.com/patents/964076 · 14 Jan 2015
In order to provide an electric power transmission system capable of curbing a reduction in power transmission efficiency, an electric power transmission system of the present invention, which transmits electric energy via an electromagnetic field from a p...
https://drivepatents.com/patents/964488 · 7 Jan 2015
In wireless power transfer, to perform power supply to a power receiving device by selecting a power transmission device appropriately, a power receiving device 20 transmits request-power to a plurality of power transmission devices 10, the request-power b...
https://drivepatents.com/patents/966653 · 3 Dec 2014
A transmission element (1), (1a), preferably as a secondary part of an inductive charging system for electric vehicles, comprises a secondary coil (2) and electronics (4) integrated in a housing (3). The housing (3) also comprises a pot-shaped section (6) ...
https://drivepatents.com/patents/967152 · 19 Nov 2014
This inductive charging device for batteries (40) of an electric motor vehicle (31) comprises a primary winding (16) connected to an electrical energy source (14) and included in a housing (18). The primary winding (16) is capable of achieving an inductive...
https://drivepatents.com/patents/971394 · 13 Aug 2014
A power reception device includes a power reception unit (27) configured to receive power in a non-contact manner from a power transmission unit (28) spaced with a distance therefrom, and a first holding unit (61) configured to hold the power reception uni...
https://drivepatents.com/patents/972201 · 23 Jul 2014
The present invention is vehicle electric power supply system (A) that supplies electric power wirelessly to a vehicle (M) that is positioned within an electric power supply area (X). The vehicle electric power supply system (A) has: a power-receiving devi...
https://drivepatents.com/patents/972790 · 9 Jul 2014
A charging coil body 8 includes a base 17 and a charging coil 18 mounted on the base 17. The base 17 has long-side side through-holes 19 penetrating toward long-sides of the rectangular installation area 5 and short-side side through-holes 20 penetrating t...
https://drivepatents.com/patents/973340 · 25 Jun 2014
A wireless power transmission apparatus includes: first coils (222A-222C) receiving electric power from an AC power supply for transmitting the electric power to a power reception apparatus; and a controller (242) selecting, from the first coils, a coil to...
https://drivepatents.com/patents/974891 · 14 May 2014
The invention concerns a device (100) for inductive charging of a vehicle (160) adapted in particular for permanent mounting as part of a road infrastructure (150), comprising an inductive charging means (101) and actuating means (102, 105, 108) for moving...
https://drivepatents.com/patents/974858 · 14 May 2014
The invention concerns a device (104) adapted to control an induction coil (101, 102) and a respective method for controlling an induction coil (101, 102) comprising determining from information about the power transfer of a first induction coil (101) a se...