Patent application number | Description | Published |
20100259098 | VEHICLE INVERTER FOR POWERING CONSUMER ELECTRONIC DEVICES - An inverter for inverter DC power, such as but not limited to the type commonly employed in vehicle power systems, in to AC power, such as but not limited to the type commonly employed to power consumer electronic devices. The inverter may be configured to electrically isolate primary and secondary stages without requiring separate primary and secondary stage power supplies. | 10-14-2010 |
20110068737 | SYSTEM AND METHOD FOR REDUCED THERMAL RESISTANCE BETWEEN A POWER ELECTRONICS PRINTED CIRCUIT BOARD AND A BASE PLATE - An apparatus includes a base plate including a plurality of depressions, and a power electronics printed circuit board including a plurality traces and a plurality of high voltage components. The plurality of high voltage components is located at a plurality of locations corresponding to the plurality of depressions in the base plate. A plurality of fasteners secures the printed circuit board to the base plate with the plurality of high voltage components received at the corresponding plurality of depressions. A thermally conductive and electrically isolating interface between the base plate and the printed circuit board is made of a gap filler material conforming to the base plate and to the plurality of depressions in the base plate, and conforming to the printed circuit board and to the plurality of high voltage components. | 03-24-2011 |
20110074211 | APPARATUS AND METHOD FOR CONTROLLING THE SWITCHING FREQUENCY OF A POWER CONVERTER - In at least one embodiment, an apparatus for controlling a switching frequency of at least one power switch in a vehicle is provided. The apparatus comprises a power conversion circuit including a power switch. The power conversion circuit is configured to convert a first energy signal into a second energy signal and to control the power switch to operate at a first switching frequency, the first switching frequency generating a first set of harmonics. The power conversion circuit is further configured to receive frequency information from an entertainment device, the frequency information generating a second set of harmonics. The power conversion circuit is further configured to select a second switching frequency, the second switching frequency generating a third set of harmonics. The power conversion circuit is further configured to perform a distance measurement using the first set of harmonics, the second set of harmonics, and the third set of harmonics. | 03-31-2011 |
20120038324 | DUAL-CHARGER SYSTEM - A dual-charger system operable to facilitate charging a battery with energy regulated by two chargers connected in parallel to the battery where one charger operates according to a voltage regulation mode and the other of the two chargers operates according to a current regulation mode. | 02-16-2012 |
20120038329 | System and Method for Controlling the Output Voltage of a Power Supply - A system and method for controlling the output voltage of a power supply that includes a control section and an interconnect section having an output point. A voltage regulator provides a control section voltage, and a current measurement device measures a control section current and generates a current signal. A controller receives the current signal and a voltage command signal representing a desired output voltage at the output point of the interconnect section. The controller generates an adjusted voltage command signal based on the voltage command signal representing the desired output voltage, the current signal, a control section internal resistance and an interconnect section external resistance. The voltage regulator receives the adjusted voltage command signal and provides a control section voltage based thereon in order to supply an output voltage at the output point that is substantially equal to the desired output voltage. | 02-16-2012 |
Patent application number | Description | Published |
20090067109 | OPERATING AND CONTROLLING INSULATED GATE BIPOLAR TRANSISTORS IN HIGH SPEED FAILURE MODE SITUATIONS - A circuit and method to provide dynamic fault protection to transistors are disclosed. The fault protection may be particularly suited for protecting insulated gate bipolar transistors (IGBTs). | 03-12-2009 |
20120129362 | PRINTED CIRCUIT BOARD CONNECTION ASSEMBLY - In at least one embodiment, a vehicle power module comprises a first printed circuit board (PCB) including a first plurality of electrical components for providing a first voltage and a second voltage. The vehicle power module further comprises a second PCB including a second plurality of electrical components, the second PCB being spaced away from the first printed circuit board and a first connector assembly being coupled to the first PCB and to the second PCB for providing the first voltage to the second PCB. The vehicle power module further comprises a second connector assembly being coupled to the first PCB and to the second PCB for providing the second voltage to the second PCB. The first connector assembly provides the first voltage of up to 14V and the second connector assembly provides the second voltage of 200V or greater. | 05-24-2012 |
20120201061 | EFFICIENCY OPTIMIZED POWER CONVERTER WITH DUAL VOLTAGE POWER FACTOR CORRECTION - A dual voltage power conversion system with power factor correction (PFC) having a capabilities to adjust a PFC setpoint according to operating conditions. The input signaling levels, for example, may be monitored and used to control adjustments to the PFC setpoint in order to allow the PFC setpoint to dynamically change with any input variation. The PFC setpoint may be adjusted to a PFC setpoint resulting in maximum efficiency. | 08-09-2012 |
20120212175 | SEALED BATTERY CHARGER HOUSING - A housing or other enclosure used to facilitate fluid cooling of a circuitry of a battery charger, such as but not limited to a battery charger of the type used to facilitate charging a high voltage vehicle battery with AC energy provided from a utility power grid. The housing may include a groove and seal arrangement operable to seal a fluid coolant chamber used to cool the circuitry from leaking fluid during use. | 08-23-2012 |
20120313430 | CONVERTER HAVING VARIABLE FREQUENCY CONTROL - A converter operable for powering one or more loads having a variable switching frequency. The switching frequency of the converter being selectable based on a desired output power level and/or whether switching of a plurality of switches of the converter is characterized as zero voltage switching (ZVS) or non-zero voltage switching (NZVS). | 12-13-2012 |
20130026827 | Multistage Power Supply System and Method for Providing Uninterrupted Power to Vehicle Circuitry - A multistage power supply system and method for providing uninterrupted low voltage electrical power to control circuitry in an electric or hybrid-electric vehicle. A first stage includes a converter for receiving a low voltage input from a vehicle battery and converting the vehicle battery low voltage input to a high voltage output. A second stage provided in series communication with the first stage includes a converter for receiving one of a rectified AC high voltage input and the first stage high voltage output and converting the one of the rectified AC high voltage input and the first stage high voltage output to a low voltage output for use in powering the vehicle control circuitry. The low voltage output is produced by the second stage from the rectified AC high voltage input when the rectified AC high voltage input is present, and the low voltage output is produced by the second stage from the first stage high voltage output when the rectified AC high voltage input is absent. | 01-31-2013 |
20130044434 | POWER MODULE COOLING SYSTEM - A cooling system is operable to facilitate cooling a power module or other electronic assembly. The cooling system may be configured to facilitate cooling a DC/AC inverter or other electronic assembly where two power modules may be arranged in an opposing relationship relative to a coolant passageway. The opposing relationship may be suitable to minimizing a packaging size and footprint required to facilitate interacting both power modules with the coolant flow. | 02-21-2013 |
20130161296 | METHOD FOR ELECTRICALLY CONNECTING A PAIR OF CIRCUIT BOARDS USING A PAIR OF BOARD CONNECTORS AND AN INTERCONNECTOR - A system for electrically connecting circuit boards includes a pair of board connectors configured to be electrically connected to respective circuit boards. Each of the board connectors includes a plurality of electrical conductors and a housing configured to enclose at least a portion of the electrical conductors. An interconnector includes a plurality of electrical conductors, each of which is configured to be electrically connected to a respective electrical conductor of the board connectors, thereby electrically connecting the circuit boards. An interconnector housing is configured to cooperate with the housings of the board conductors to at least partially enclose the electrical connections between the electrical conductors of the interconnector and the board connectors. | 06-27-2013 |
20130230991 | PRINTED CIRCUIT BOARD CONNECTION ASSEMBLY - In at least one embodiment, a vehicle power module comprises a first printed circuit board (PCB) including a first plurality of electrical components for providing a first voltage and a second voltage. The vehicle power module further comprises a second PCB including a second plurality of electrical components, the second PCB being spaced away from the first printed circuit board and a first connector assembly being coupled to the first PCB and to the second PCB for providing the first voltage to the second PCB. The vehicle power module further comprises a second connector assembly being coupled to the first PCB and to the second PCB for providing the second voltage to the second PCB. The first connector assembly provides the first voltage of up to 14V and the second connector assembly provides the second voltage of 200V or greater. | 09-05-2013 |
20130278272 | Method and apparatus for high voltage isolation monitor for a vehicle - An apparatus for monitoring a high voltage isolation in a vehicle. The apparatus comprising a power conversion device for receiving a high voltage on a power bus. The power conversion device is configured to control a first switch for enabling a first known resistance to receive the high voltage and to measure a first voltage between a first node and a ground in response to the first known resistance receiving the high voltage. The power conversion device is further configured to measure a second voltage between a second node and the ground in response to the first known resistance receiving the high voltage and to determine a first leakage resistance between the first node and the ground based on at least the first voltage and the second voltage. The first leakage resistance indicating whether the high voltage is isolated from the ground. | 10-24-2013 |
20130312931 | Coldplate for Use in an Electric Vehicle (EV) or a Hybrid-Electric Vehicle (HEV) - A coldplate for use with electronic components in an electric vehicle (EV) or a hybrid-electric vehicle (HEV). The coldplate includes a main portion having multiple raised features on a surface thereof. The raised features are configured for attaching the main portion to a printed circuit board having multiple electronic components attached thereto. The raised features are further configured for maintaining the printed circuit board in a spaced relation relative to the main portion to facilitate air flow between the printed circuit board and the main portion for dissipating heat generated by the plurality of electronic components. The coldplate also includes a protrusion extending from the surface of the main portion. The protrusion is configured for contacting one of the plurality of electronic components attached to the printed circuit board for dissipating heat generated by the electronic component. | 11-28-2013 |
20140062394 | MULTI-MODE BATTERY CHARGER - In one embodiment a multi-mode battery charger for a vehicle is provided. The charger includes a controller. The controller is electrically coupled to a plurality of charging systems. Each charging system is configured to provide a first power from an external power source and to convert the first power into a second power that is suitable for storage on at least one battery on the vehicle. The controller is configured to enable a first charging system of the plurality of charging systems to provide the first power based on a charging priority order in the event two or more of the plurality of charging systems are each determined to provide the first power to the vehicle at the same time. | 03-06-2014 |
20140198475 | ELECTRICAL BUSBAR, ELECTRICAL CONNECTOR ASSEMBLY AND POWER CONVERTER - An electrical connector assembly is provided with an electrical busbar for conducting power. The busbar has a width, a length, and a thickness. The busbar has a first portion with a first length, and a second portion with a second length. The second portion is oriented at a non-zero angle relative to the first portion. A connector is mounted to the busbar. One of the width and the thickness is reduced for receipt of a sensor about the busbar. A power converter assembly is provided with a direct current bus capacitor and a power module oriented in a housing. A plurality of the electrical connector assemblies are each connected to at least one of the direct current bus capacitor and the power module. | 07-17-2014 |
20150036294 | Sealed Battery Charger Housing - A housing or other enclosure used to facilitate fluid cooling of a circuitry of a battery charger, such as but not limited to a battery charger of the type used to facilitate charging a high voltage vehicle battery with AC energy provided from a utility power grid. The housing may include a groove and seal arrangement operable to seal a fluid coolant chamber used to cool the circuitry from leaking fluid during use. | 02-05-2015 |