About 25 results
https://drivepatents.com/patents/959190 · 8 Jul 2015
A transmitter element (U) for a system for inductive energy transmission between two transmitter elements comprises at least one substantially planar coil (2), which is accommodated in a housing (1). At least one measuring arrangement (4, 4a) for the capac...
https://drivepatents.com/patents/960363 · 3 Jun 2015
A wireless power-supplying system of the present invention includes a ground-based power-supplying device (S) having a power-supplying coil (4) and a vehicle (M) having a power-receiving coil (11), and performs power supply from the power-supplying coil (4...
https://drivepatents.com/patents/960279 · 3 Jun 2015
The present invention aims to provide a coil unit with an improved accuracy in detecting foreign matter and an apparatus for detecting foreign matter with a better accuracy in detecting foreign matter when power is transmitted in a contactless manner. A po...
https://drivepatents.com/patents/963436 · 4 Feb 2015
A power supply apparatus capable of appropriately supplying electrical power to a power transmission coil even if a foreign object is heated during power supply. The power supply apparatus (100) is provided with a power supply coil (103a) opposing a power-...
https://drivepatents.com/patents/952489 · 4 Feb 2015
In the power supply apparatus (100), on an upper surface (202a), which is the surface opposing the power-receiving unit (153) of a cabinet (103b), in the portion where a power supply coil (103a) is projected when the power supply coil (103a) is projected o...
https://drivepatents.com/patents/967151 · 19 Nov 2014
A foreign object detection device has a foreign object detector configured to detect a foreign object when a power receiver receives power from a power transmitter in a non-contact manner, the foreign object detector being arranged between the power receiv...
https://drivepatents.com/patents/967416 · 12 Nov 2014
The primary side (P) of an arrangement for inductively charging an electrically operated device (F) has a primary coil with at least two windings (1, 2, 2a, 2b). Each second winding (2, 2a, 2b) has a lower number of turns than the first winding (1) and is ...
https://drivepatents.com/patents/970256 · 10 Sep 2014
In one embodiment, a coil includes a magnetic core and a winding. The magnetic core includes at least one block provided with a groove or an opening. Each block is arranged so as to make the groove or the opening extend along a direction of magnetic flux. ...
https://drivepatents.com/patents/970602 · 3 Sep 2014
A contactless power transmission device includes a power receiver (110), a power feeder (101) configured to contactlessly feed power to the power receiver (110), the power feeder (101) including a primary coil (122) configured to generate magnetic flux by ...
https://drivepatents.com/patents/970521 · 3 Sep 2014
In one embodiment, a power transmission system includes a power transmission apparatus having a power source unit supplying a high-frequency power, and a power transmission inductor including a magnetic core and a winding wire portion and wirelessly transm...