Patent application number | Description | Published |
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 |
20110292615 | PRINTED CIRCUIT BOARD SYSTEM FOR AUTOMOTIVE POWER CONVERTER - An automotive power converter may include a cold plate, a printed circuit board spaced away from the cold plate and including at least one heat generating electrical component attached thereto, and another printed circuit board disposed between the cold plate and the printed circuit board spaced away from the cold plate. The converter may further include at least one thermally conductive element configured to provide a thermally conductive path from the at least one heat generating electrical component to the cold plate. The at least one thermally conductive element may pass through the printed circuit boards. | 12-01-2011 |
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 |
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 |
20130134925 | CHARGER ASSEMBLY WITH HEAT TRANSFER DUCT - A charger assembly is provided with a housing having a cavity with an opening. A cover is fastened to the housing for covering the opening. A heat transfer duct is mounted to the cover with an inlet end and an outlet end each extending through the cover. A plurality of heat sinks is mounted to the cover in contact with the heat transfer duct. A plurality of circuit board assemblies are each mounted to the cover in contact with the plurality of heat sinks. | 05-30-2013 |
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 |
20130312930 | Coldplate for use with a Transformer in an Electric Vehicle (EV) or a Hybrid-Electric Vehicle (HEV) - A coldplate for use with a transformer in an electric vehicle (EV) or a hybrid-electric vehicle (HEV). The coldplate includes a main portion having a recess formed therein, the recess having a floor configured for contacting a bottom surface of a transformer for dissipating heat generated by the transformer. The main portion includes a raised feature configured for contacting a winding of the transformer for dissipating heat generated by the transformer. The coldplate also includes a bracket member for use in securing the transformer in the recess of the main portion, the bracket member configured for contacting the main portion and the transformer for dissipating heat generated by the transformer. The bracket member includes a contact surface for contacting a top surface of the transformer, the contact surface having an area sufficient to contact substantially all of the top surface of the transformer. | 11-28-2013 |
20150036292 | Electrical Device for Use in an Automotive Vehicle and Method for Cooling Same - An electrical device is described for use in an automotive vehicle. The device includes a printed circuit board (PCB) having first and second sides. The PCB is adapted for multiple electronic components to be mounted to the first side, including a first component at a first position and a second component at a second position. The second component is capable of substantially blocking airflow directed substantially across the first side from at least one direction toward the first component. The PCB defines a plurality of apertures formed in a region of the PCB including the first position such that airflow directed substantially across the second side of the PCB flows through the apertures, under the first component at the first position on the first side of the PCB, and on a portion of the first side of the PCB beyond the region of the PCB including the first position. | 02-05-2015 |