Patent application number | Description | Published |
20100268401 | Vehicle Wireless Information System - A vehicle wireless information system includes a vehicle, an onboard vehicle computer provided in the vehicle and at least one external access point adapted to wirelessly access the onboard vehicle computer. | 10-21-2010 |
20100320019 | SYSTEM AND METHOD TO PROVIDE LUBRICATION FOR A PLUG-IN HYBRID - In hybrid electric vehicles having increased battery storage capacity and plug-in capability, electric-only operation of significant duration is available. To supplement lubrication for the electric and mechanical component provided by an engine-driven mechanical pump, an electric pump is provided in parallel to the mechanical pump. A method to control the electric pump is also disclosed in which a first desired quantity of a first component and a second desired quantity of a second component are determined. The electric pump is commanded to provide the greater of the first and second quantities. The desired quantity can be based on preventing temperature in the component from exceeding a maximum design temperature and/or providing sufficient lubrication to rotating parts of the component. | 12-23-2010 |
20100321030 | SYSTEM AND METHOD TO PROVIDE LUBRICATION FOR A PLUG-IN HYBRID - In hybrid electric vehicles having increased battery storage capacity and plug-in capability, electric-only operation of significant duration is available. To supplement lubrication for the electric and mechanical components provided in a fluid circuit by an engine-driven mechanical pump, an electric pump is provided in parallel to the mechanical pump. When the electric pump is operating, a diagnostic can be performed to determine system integrity. According to one embodiment, an actual quantity provide to the circuit is determined; an expected quantity is estimated; and a fault is determined when the actual and expected quantities differ by more than a predetermined amount. The fault may indicate a leak or plug in the fluid circuit or a failure of a component in the fluid circuit. | 12-23-2010 |
20110163722 | VEHICLE AND METHOD OF CHARGING BATTERY OF SAME - A method for charging a battery may include determining a degradation condition of the battery based on impedance parameters of the battery, altering a default charge profile for the battery based on the degradation condition, and charging the battery with the altered charge profile. | 07-07-2011 |
20110221392 | VEHICLE AND METHOD OF DIAGNOSING BATTERY CONDITION OF SAME - A method for diagnosing a battery may include applying a generally constant current to the battery for a period of time, measuring a response voltage of the battery to the applied current, determining battery impedance parameters based on at least one of the applied current, period of time, and response voltage, and determining a degradation condition of the battery based on the battery impedance parameters. | 09-15-2011 |
20140154097 | SYSTEM AND METHOD TO PROVIDE LUBRICATION FOR A PLUG-IN HYBRID - In hybrid electric vehicles having increased battery storage capacity and plug-in capability, electric-only operation of significant duration is available. To supplement lubrication for the electric and mechanical components provided in a fluid circuit by an engine-driven mechanical pump, an electric pump is provided in parallel to the mechanical pump. When the electric pump is operating, a diagnostic can be performed to determine system integrity. According to one embodiment, an actual quantity provide to the circuit is determined; an expected quantity is estimated; and a fault is determined when the actual and expected quantities differ by more than a predetermined amount. The fault may indicate a leak or plug in the fluid circuit or a failure of a component in the fluid circuit. | 06-05-2014 |
Patent application number | Description | Published |
20110163715 | System And Method For Charging A Vehicle Battery - An automotive vehicle power system includes a battery charger having an input and output. The battery charger receives electrical energy via the input when the input is electrically connected with an electrical energy source. The battery charger also reduces a current provided at the output from a commanded value to a target value that varies according to a voltage at the input if the voltage at the input falls within a predetermined range of voltages. | 07-07-2011 |
20110163716 | Battery Charger Temperature Control System And Method - A vehicle includes a traction battery and a battery charger. The battery charger receives electrical energy from an electrical power source if electrically connected with the electrical power source and provides a current to the traction battery at a target value that varies according to a temperature of the battery charger if the temperature falls within a predetermined range of temperatures. | 07-07-2011 |
20110163717 | System And Method For Vehicle Battery Charging - A vehicle power system includes a traction battery and a battery charger. The battery charger has an electrical output and a capacitor electrically connected with the electrical output. No more than two electrical contactors are electrically connected with the traction battery, capacitor and battery charger. | 07-07-2011 |
20110166728 | System And Method For Controlling Chassis Coupling Current - An automotive vehicle may include a battery charger that receives electrical energy, via an electrical connection including a ground wire, from an electrical source remote from the vehicle, and outputs the electrical energy to at least one electrical load. The vehicle may also include at least one controller that commands a change in the electrical energy output by the battery charger. The battery charger, in response to the command, may control a rate of change in the electrical energy output such that a coupling current to the ground wire resulting from the change in the electrical energy output by the battery charger has a magnitude less than a predetermined threshold. | 07-07-2011 |
20120081072 | VEHICLE BATTERY CHARGER AND METHOD OF OPERATING SAME - A battery charger electrically connected with a power distribution circuit may select a charge rate to charge a vehicle battery in response to whether a load other than the battery charger is electrically connected with the power distribution circuit, and charge the vehicle battery at the selected charge rate. | 04-05-2012 |
20120153895 | System And Method For Controlling AC Line Current And Power During Vehicle Battery Charging - An automotive vehicle power system includes a battery charger having an input and output. The battery charger receives electrical energy via the input when the input is electrically connected with an electrical power source. The battery charger also alters at least one of a voltage set point and current provided at the output such that a power associated with the energy received from the power source remains approximately equal to a power target as a voltage associated with the energy received from the power source varies. | 06-21-2012 |
20120161925 | VEHICLE AND METHOD FOR AUTHENTICATING A CHARGE STATION - A vehicle may include a battery that receives energy from a charge station remote from the vehicle, and a controller. The controller may request that the station provide information about an electrical parameter associated with energy being supplied by the station, may determine information about an electrical parameter associated with energy received by the battery, and may prevent the battery from further receiving energy if the provided information is different than the determined information. | 06-28-2012 |
20120166026 | SYSTEM AND METHOD FOR CHARGING A VEHICLE BATTERY - An automotive vehicle may include at least one controller and a battery charger that receives electrical energy from a power distribution circuit remote from the vehicle. The at least one controller may request that a battery charger of another vehicle draw a specified current, and may establish a battery charging schedule with the another vehicle for the battery charger if, after issuing the request, the at least one controller detects a drop in voltage on the power distribution circuit. | 06-28-2012 |
20120280646 | VEHICLE AND METHOD FOR CHARGING VEHICLE BATTERIES - An automotive vehicle includes a traction battery, an auxiliary battery and at least one controller. The at least one controller may be configured to cause a specified charge current to be provided to the traction battery and to cause another specified charge current to be provided to the auxiliary battery if the current being provided to the traction battery is increasing or decreasing. | 11-08-2012 |
20130093391 | Variable Output Current Battery Charger and Method of Operating Same - A vehicle includes a battery charger system arranged to charge a traction battery. The battery charger system receives current from a power distribution system remote from the vehicle and outputs the current to the traction battery at a series of magnitudes to characterize a charge efficiency profile of the battery charger and power distribution systems. The battery charger system then charges the traction battery according to the charge efficiency profile. | 04-18-2013 |
20140015450 | Method and System for Heating Traction Battery of Electric Vehicle - An electric vehicle such as a hybrid electric vehicle (HEV), a plug-in hybrid electric vehicle (PHEV), and a battery-only electric vehicle (BEV) includes a traction battery. A torque command is generated for a motor such that a traction battery electrically connected therewith outputs a discharge current having an alternating current (AC) component to cause a temperature of the traction battery to increase. | 01-16-2014 |
20140076875 | Method and System for Heating Auxiliary Battery of Vehicle - A vehicle includes an auxiliary battery and one or more accessory loads. An accessory load command is modulated such that the auxiliary battery outputs a discharge current to an accessory load. The discharge current has, in addition to a current component for driving the accessory load, an alternating current (AC) component to cause a temperature of the auxiliary battery to increase. | 03-20-2014 |
20150022150 | BATTERY OVERCHARGE MONITORING SYSTEM AND METHOD - An exemplary battery charge monitoring method includes, among other things, calculating expected charge data for a battery using at least a capacity of the battery and a charge rate, and comparing actual charge data to the expected charge data to identify differences between the actual charge data and the expected charge data. | 01-22-2015 |