Patent application number | Description | Published |
20080309469 | BATTERY MONITORING SYSTEM - A battery monitor for monitoring operations of a battery, such as but not limited to monitoring operations of a vehicle battery. The battery monitor may be configured to monitor current flow and battery temperature. The battery monitor may be connected to a cable used to electrically connect the battery to a number of electronic devices so that the battery monitor is located away from the battery. The battery monitor may include a processing element grounded directly to a negative pole of the battery to facilitate isolating the processing element from noise created by the electronic devices connected to the cable. | 12-18-2008 |
20110075315 | ECONOMIZER FOR VEHICLE BATTERY DISCONNECT - An economizer configured to connected coils in series and in parallel with a voltage source in order to facilitate pulling relays to a closed position, and thereafter, holding the relays in the closed position while reducing a voltage applied across the coils. | 03-31-2011 |
20120161778 | SYSTEM AND METHOD FOR DETECTING AN EARTH GROUND FAULT OF AN EXTERNAL POWER SUPPLY CONNECTED TO A VEHICLE - A system and method is provided for determining the existence of a ground fault connection within a vehicle. An electrical connector may be provided for electrically connecting the vehicle to an external Alternating Current (AC) power source. The electrical connector includes a three phase electrical connector configured to receive a corresponding input voltage signal on a phase, neutral, and earth connection. A controller being configured to determine whether a faulty earth connection exists between the vehicle and the AC power source the phase connection does not exceed the predetermined phase threshold when referenced to the earth connection and the neutral connection does not exceed the predetermined neutral threshold when referenced to the earth connection or the phase connection exceeds the predetermined phase threshold when referenced to the earth connection and the neutral connection exceeds the predetermined neutral threshold when referenced to the earth connection. | 06-28-2012 |
20120299375 | ELECTRICALLY-COOLED POWER MODULE - In one embodiment, an apparatus for cooling an electrical component in a vehicle is provided. The apparatus comprises a power module including the electrical component for converting energy. The power module includes a first printed circuit board (PCB) including a first ceramic substrate for receiving the electrical component. The power module further includes a plurality of thermoelectric cells being coupled to the first PCB for discharging heat away from the electrical component. The power module further includes a second PCB including a second ceramic substrate being coupled to the plurality of thermoelectric cells, the first ceramic substrate and the second ceramic substrate for electrically isolating the electrical component from the first PCB and the second PCB and for providing thermal conductance from the electrical component through the plurality of thermoelectric cells. | 11-29-2012 |
20130154672 | Method and System for Battery Current Measurement Calibration - A sensor for monitoring battery current includes a shunt and a current source. The shunt has a resistance with an actual value. The current source is configured to provide a known value of current through the shunt. A controller is configured to generate a measured value of the current through the shunt as a function of a measured value of voltage drop across the shunt caused by the current through the shunt and an assumed value of the resistance of the shunt. The controller is further configured to detect the assumed value of the resistance of the shunt as being different than the actual value of the resistance of the shunt when the known and measured values of the current differ. | 06-20-2013 |
20130158904 | APPARATUS AND METHOD FOR ASSESSING THE INTEGRITY OF ANALOG-DIGITAL CONVERTER - An apparatus for determining integrity of an electronic device in a vehicle is provided. The apparatus comprises a controller operably coupled to a high voltage measuring circuit and to an analog-to-digital converter (ADC). The high voltage measuring circuit receives a high voltage signal and includes at least one stressed resistor for reducing the high voltage signal into a suitable voltage signal. The ADC performs a measurement with the suitable voltage that is indicative of the high voltage signal in a normal operation mode. The controller is configured to apply a calibrated voltage to the at least one stressed resistor in a calibration mode. The controller is further configured to calculate a resistance value of the at least one stressed resistor based on applying the calibrated voltage to the at least one stressed resistor to determine if the at least one stressed resistor is in a stressed state. | 06-20-2013 |
20140176301 | Remote Function Fob for Enabling Communication Between a Vehicle and a Device and Method for Same - A remote function fob associated with a vehicle is disclosed, the fob for enabling secure communication between the vehicle and a device. The fob may include a transceiver configured for communication with the device. The fob may further include a controller which may be configured to enable secure communication with the device via the transceiver. The controller may be further configured for operation with a code generated using a security protocol, the code to be used in secure communication between the device and the vehicle, the code for transmission to the device via the transceiver. | 06-26-2014 |