Patent application number | Description | Published |
20120248892 | INDUCTIVE POWER TRANSFER SYSTEM - A magnetic flux pad (BPP) is provided for generating or receiving magnetic flux. The pad may be used with an inductive power transfer system, and comprises a magnetically permeable core ( | 10-04-2012 |
20150054350 | WINDING ARRANGEMENTS IN WIRELESS POWER TRANSFER SYSTEMS - Systems, methods and apparatus for wireless power transfer and particularly wireless power transfer to remote systems such as electric vehicles are disclosed. In one aspect an induction coil is provided comprising a plurality of substantially co-planar coils formed from one or more lengths of conducting material, each length of conducting material being electrically connectable at each end to a power source or battery, and wherein at least one of the lengths of conducting material is continuously wound around two or more of the coils. In another aspect, a method is provided for forming such an induction coil. In yet another aspect, a switching device is operable to alter the configuration of the coils, for example in response to a detected characteristic of another induction coil or device coupled thereto. | 02-26-2015 |
20150084588 | WIRING HARNESS AND WIRELESS POWER TRANSFER SYSTEM - This disclosure provides methods and apparatus for use in wireless power transfer and particularly wireless power transfer to remote system such as electric vehicles. In one aspect a wireless power transfer system comprises a wireless power transfer device comprising a first connector portion; an electrical device comprising a second connector portion; and a wiring harness comprising a cable, a first end connector portion at one end of the cable configured to be removably connected to the first connector portion, and a second end connector portion at the other end of the second connector portion. In another aspect the the cable configured to be removably connected to wiring harness comprises a plurality of cables, each comprising a plurality of conductive filaments; and a connector portion comprising a plurality of pins each comprising a recessed end, wherein an end of each cable is soldered into the respective recessed ends. | 03-26-2015 |
Patent application number | Description | Published |
20140268895 | MIXED SEMICONDUCTOR H-BRIDGE POWER CONVERTERS AND METHODS RELATED THERETO - This disclosure provides systems, methods and apparatus for power converters and particularly power converters for wireless power transfer to remote systems such as electric vehicles. In one aspect, the disclosure provides an electronic power supply. The electronic power supply includes at least first and second half-bridge circuitries. The first half-bridge circuitry includes semiconductor material of a first type. The second half-bridge circuitry of the H-bridge includes semiconductor material of a second type. The first semiconductor material type is different from the second semiconductor material type. | 09-18-2014 |
20140340027 | SYSTEMS, METHODS, AND APPARATUS RELATED TO ELECTRIC VEHICLE WIRED AND WIRELESS CHARGING - One aspect provides an apparatus configured to receive wireless charging power and wired charging power. The apparatus includes a first rectifier configured to receive wired charging power and to provide a first rectified output. The apparatus further includes a second rectifier configured to receive wireless charging power and to provide a second rectified output. The apparatus further includes a power-factor correction (PFC) module configured to receive the first and second rectified outputs, and further configured to provide a power-factor corrected output. The apparatus further includes an isolated DC-DC converter configured to receive the power-factor corrected output and to provide an isolated DC output. The apparatus further includes and a battery configured to receive the isolated DC output. | 11-20-2014 |
20150061578 | SYSTEM AND METHOD FOR ALIGNMENT AND COMPATIBILITY DETECTION FOR A WIRELESS POWER TRANSFER SYSTEM - Systems, methods, and apparatuses for receiving charging power wirelessly are described herein. One implementation may include an apparatus for receiving charging power wirelessly from a charging transmitter having a transmit coil. The apparatus comprises a receiver communication circuit, coupled to a receive coil and to a load. The receiver communication circuit is configured to receive information associated with at least one characteristic of the charging transmitter. The apparatus further comprises a sensor circuit configured to measure a value of a short circuit current or an open circuit voltage associated with the receive coil. The apparatus further comprises a controller configured to compare the value of the short circuit current or the open circuit voltage to a threshold charging parameter set at a level that provides charging power sufficient to charge the load. The controller may be further configured to initiate receiving the charging power from the charging transmitter when the short circuit current or the open circuit voltage associated with the receive coil is greater than or equal to the threshold charging parameter. | 03-05-2015 |
20150077046 | SYSTEMS AND METHODS FOR BI-STATE IMPEDANCE CONVERSION IN WIRELESS POWER TRANSFER - One aspect provides a wireless power transmitter. The wireless power transmitter includes a transmit antenna configured to generate a field for wireless transmit power in both a first and second configuration. The wireless power transmitter further includes a first capacitor. The wireless power transmitter further includes at least one switch configured to selectively connect the first capacitor in one of the first and second configuration. The first capacitor can be in series with the transmit antenna in the first configuration and in parallel with the transmit antenna in the second configuration. | 03-19-2015 |