Patent application number | Description | Published |
20090104512 | DEVICE HAVING AT LEAST ONE ELECTROCHEMICAL CELL - The invention is based on a device having at least one electrochemical cell ( | 04-23-2009 |
20090274950 | ELECTROCHEMICAL CELL, AND SYSTEM COMPRISING AT LEAST ONE ELECTROCHEMICAL CELL AND A HOUSING - The invention is based on an electrochemical cell, having an electrode pack ( | 11-05-2009 |
20100175938 | METHOD FOR OPERATING A DRIVE DEVICE, AND A DRIVE DEVICE - A method for operating a drive device of a vehicle, in particular a motor vehicle, which has an internal combustion engine, at least one electric machine, and at least one heatable electric accumulator, in particular a lithium ion battery, power being drawn from the electric accumulator for starting the internal combustion engine with the aid of the electric machine. It is provided that, after the start of the internal combustion engine and until the heated electric accumulator reaches a predefined minimum temperature, the electric accumulator is operated without load. Furthermore, a drive device for a vehicle, in particular for carrying out the above-described method is provided. | 07-15-2010 |
20110112708 | METHOD AND CONTROL MODULE FOR CONTROLLING THE DRIVE MODE OF A HYBRID DRIVE TO PREVENT JERKY MOVEMENTS - The drive mode of a hybrid drive is controlled by: detecting a drive mode change signal characterizing a planned drive mode change, and determining a torque shortfall, which would occur due to the drive mode change. Furthermore, the method provides for comparing the torque shortfall with a threshold value, and blocking a drive mode change, if the comparison step reveals that the torque shortfall is above the threshold value. Otherwise, the method provides for: automatically performing a drive mode change according to the drive mode change signal, if the comparison step reveals that the torque shortfall is not above the threshold value. | 05-12-2011 |
20110231044 | POWER SUPPLY SYSTEM FOR ELECTRIC VEHICLES AND METHOD FOR CONTROLLING SAME - A power supply system for electric vehicles is described having an on-board energy storage and an on-board charging device, which is connectable to a grid connection station of a stationary power supply grid in order to charge the on-board energy storage. An interface is provided between an on-board component and a stationary component for connecting the charging unit to the grid connection station of the power supply grid during the charging operation in order to transmit operating characteristics of the power supply grid to the on-board charging device. Furthermore, a method for controlling the power supply system is also described. | 09-22-2011 |
20110295451 | Method for reducing a driving power of a vehicle drive - A method for reducing a driving power of a vehicle drive includes detecting a temperature difference between a temperature of at least one component of the vehicle drive and a temperature threshold value, detecting an instantaneous driving state of the vehicle drive, establishing whether or not the instantaneous driving state allows for a reduction in the driving power of the vehicle drive, and reducing the driving power of the vehicle drive for lowering the temperature of the at least one component in order to increase the temperature difference if the instantaneous driving state allows for the reduced driving power. | 12-01-2011 |
20120112528 | METHOD FOR CONTROLLING A POWER SUPPLY DEVICE HAVING AN INVERTER - A method for controlling a power supply device for at least one electrical machine, having at least one storage device for electric energy (battery) and an inverter equipped with at least one reactor, the inverter having dual functions, being provided for charging (charge operation) the storage device from an in particular stationary power supply system, and for supplying the electrical machine with an alternating current in driving operation. A setpoint charge power is specified for the charge operation, and the reactor current is set accordingly by the inverter. Furthermore, a power supply device is also described. | 05-10-2012 |
20120187769 | Energy Supply System - An energy supply system has a number of DC choppers for converting the input voltages applied in each case into output voltages, and a number of energy storages for providing the input voltages, an energy storage being assigned to each DC chopper. An output voltage of at least one of the number of DC choppers is settable as a function of a setpoint input in order to expose the energy storage assigned to the at least one DC chopper to a load individually. | 07-26-2012 |
20120206109 | Circuit for operating an auxiliary unit for starting internal combustion engines - A circuit is described for operating an auxiliary unit for starting internal combustion engines via a starter battery. The circuit is configured to receive a state-of-function signal, a state-of-charge signal and/or a state-of-health signal from a battery-management system. The respective signals indicate whether the starter battery is capable of operating the auxiliary unit, what state of charge the starter battery has and whether the starter battery is damaged. The circuit is configured to draw electrical energy from a high-voltage battery, connected to the circuit, when the state-of-function signal indicates that operation of the auxiliary unit by the starter battery is not possible, when the state-of-charge signal indicates that the state of charge of the starter battery is too low to operate the auxiliary unit and/or when the state-of-health signal indicates that the starter battery is damaged. | 08-16-2012 |
20120245762 | METHOD AND DEVICE FOR OPERATING A HYBRID DRIVE OF A VEHICLE - A method for operating a hybrid drive system of a vehicle in which an internal combustion engine and/or at least one electrical machine drive the vehicle, the electrical machine being supplied with energy from an energy reservoir or the electrical machine supplying the energy reservoir with electrical energy, and an operating point of the hybrid drive system being set in the context of a predefined operating strategy which depends on minimization variables that take into account the fuel consumption of the internal combustion engine and the energy made available by the energy reservoir. In order to configure the operating strategy of the hybrid drive system in as variable a manner as possible, energy from an external energy source is delivered to the energy reservoir, the minimization variables to be taken into account as a result of the delivery of energy from the external energy source into the energy reservoir being evaluated in the operating strategy. | 09-27-2012 |
20120262125 | METHOD AND CHARGE CONTROL FOR PROLONGING THE USEFUL LIFE OF BATTERIES - A method for prolonging the service life of a traction battery of an electric-powered or hybrid vehicle. The method includes recording at least one driving phase selection that encompasses a travel duration, a start of driving, or both; and recording an instantaneous state of charge of the traction battery. At least one aging parameter is minimized that encompasses the time interval between a charging process and the start of driving or the charging energy used to charge the traction battery in accordance with at least one driving phase selection; and the charging process is executed in accordance with the minimized aging parameter. Also, a charge control for implementing the method. | 10-18-2012 |
20120263981 | EMERGENCY COOLING DEVICE - An energy storage system, in particular a battery having a plurality of battery cells. These battery cells are accommodated in a first container. The first container is separated from a second container by a separating element, which allows for establishing a pressure difference Δp for expansion of a gas out of the first container into the second container. | 10-18-2012 |
20120286720 | JUMP-STARTING METHOD AND DEVICE FOR IMPLEMENTING THE METHOD - In a jump-starting method between an electric vehicle providing a jump-start and an electric vehicle receiving a jump-start, the electrical systems of the two electric vehicles are temporarily interconnected electrically during the time of the jump-starting. | 11-15-2012 |
20130100982 | Monitoring the temperature change in the charging cable - A method for determining the temperature change of a feeder cable of a charging device in that, in a first task, the electromagnetic input pulse is coupled into the feeder cable, the electromagnetic input pulse being able to be reflected in the feeder cable and the reflected portion returning to the charging device as reflected electromagnetic output pulse; in a second task, the pulse shape of the reflected electromagnetic output pulse is determined; in a third task, the pulse shape of the reflected electromagnetic output pulse is compared to a reference pulse shape of the reflected reference pulse; in a fourth task, the temperature change is determined by comparing the two pulse shapes. | 04-25-2013 |
20130128394 | Circuit Assembly for Overvoltage Limiting of An Excitation Coil of A Syncronous Machine Having Fast De-Excitation - A circuit arrangement for de-exciting an excitation winding of a synchronous machine in the event of a fault, including a control circuit for controlling a current flow through the excitation winding, it being possible to apply a positive control voltage to the excitation winding for excitation and a negative control voltage for rapid de-excitation, and including a protective circuit which is parallel-connected to the excitation winding and which does not permit a current flow over the protective circuit in the event of rapid de-excitation and which forms a current path for limiting the voltage and de-exciting the excitation winding if at least one connecting line between the control circuit and the excitation winding is interrupted. | 05-23-2013 |
20130307326 | SYSTEM AND METHOD FOR HIGH-VOLTAGE DISCONNECTION IN A VEHICLE - The invention relates to a system ( | 11-21-2013 |
20130320755 | DEVICE AND METHOD FOR DISCHARGING AN ENERGY ACCUMULATOR IN A HIGH-VOLTAGE GRID - The invention relates to a device and method for discharging an energy accumulator (C), in particular an intermediate circuit capacitor, in a high-voltage grid ( | 12-05-2013 |
20140049215 | METHOD FOR MONITORING THE CHARGING MODE OF AN ENERGY STORE IN A VECHILE AND CHARGING SYSTEM FOR CHARGING AN ENERGY STORE IN A VECHILE - In a method for monitoring the charging mode of an energy store in a vehicle which is drivable via an electric machine, the energy store is connected in the charging mode to an external energy supply system via a charging circuit which includes a unit operated as the boost converter, a controllable rectifier having upstream filter capacitors, and a system filter. A DC link capacitor is switched in parallel to the energy store. During the charging mode, at least one current and/or one voltage is monitored at the input, at the output, and/or within the charging circuit, and/or a function of a control unit of the rectifier and/or of the unit operated as the boost converter is monitored. If malfunction is detected, the charging circuit is switched into a free-running mode. | 02-20-2014 |
20140103863 | CHARGING DEVICE AND METHOD FOR CHARGING AN ELECTRICAL ENERGY STORE - The present invention relates to a charging device ( | 04-17-2014 |
20140159661 | SYSTEM WITH BATTERY CHARGING DEVICE AND VEHICLE ELECTRICAL SYSTEM POWER SUPPLY STAGE - The invention relates to a system ( | 06-12-2014 |
20140336861 | METHOD AND APPARATUS FOR POWER MANAGEMENT OF AN ELECTRIC DRIVE FOR A HYBRID VEHICLE - The invention relates to a method and a device for power management of an electrical drive for a hybrid vehicle, wherein the method comprises the following steps: detecting (S | 11-13-2014 |