| Entries |
| Document | Title | Date |
|---|
| 20080197810 | Vehicular Power Supply System And Vehicle - A vehicular power system includes: a secondary battery (B); an up-converter ( | 08-21-2008 |
| 20080278117 | SIMPLIFIED AUTOMATIC DISCHARGE FUNCTION FOR VEHICLES - Methods and system are disclosed for an automatic discharge function for a vehicle having an electric or hybrid electric motor. The methods and system monitor the motor for occurrence of a power shutdown. If the power shutdown occurs, a contactor pair is opened, and immediate discharging of capacitance is initiated in response to opening the contactors pair. Discharging is continued until the capacitance is completely discharged. | 11-13-2008 |
| 20090033286 | Cell and Supercapacitor Battery Pack - Described is a battery pack including a housing and at least one cell disposed in the housing to provide power to an electronic device. The battery pack also includes a supercapacitor disposed in the housing to provide additional power to the electronic device. | 02-05-2009 |
| 20090058366 | BATTERY CHARGING AND DISCHARGING CONTROL APPARATUS - A battery charging-discharging control apparatus includes an estimation circuit, a detection circuit, and a control circuit. The estimation circuit estimates an internal resistance of a battery. The detection circuit detects a charging-discharging current of the battery. The control circuit predicts a behavior of a voltage of the battery based on behaviors of the internal resistance and the charging-discharging current of the battery. The control circuit limits the charging-discharging current or a charging-discharging power of the battery based on the predicted behavior of the battery voltage in such a manner that the battery voltage is within a predetermined voltage range. | 03-05-2009 |
| 20090146611 | Automatic discharging apparatus - The present invention discloses an automatic discharging apparatus used for discharging a battery disposed internally therein periodically. The apparatus includes a power source; a load; a battery connected to the power source and the load, wherein the battery supplies power to the load during a power failure; and a controller connected to the battery and the power source for discharging the battery periodically. | 06-11-2009 |
| 20090206795 | SELECTOR CIRCUIT FOR POWER MANAGEMENT IN MULTIPLE BATTERY SYSTEMS - A selector circuit configured to select among a DC power source and a plurality of batteries for an electronic device. The selector circuit is responsive to an output signal from an associated power management unit. The selector circuit is further configured to permit parallel operation of two or more of the batteries. The selector circuit may further act to independently verify power conditions and override instructions from the PMU in certain instances to enhance power supply safety and battery life such as by preventing inter battery current flow from a higher potential battery to a lower potential battery coupled in parallel. | 08-20-2009 |
| 20090251105 | TEMPERATURE CONTROLLER - A temperature controller is disclosed in the invention, and the temperature controller includes one dry battery, a voltage conversion circuit connected with outputs of the battery and a temperature controller control circuit connected with the voltage conversion circuit. The voltage conversion circuit provides a power supply for the temperature controller control circuit. The temperature controller in the invention requires only one battery as the power supply, so that energies are saved, and the temperature controller is reduced in size and can be mounted more easily. | 10-08-2009 |
| 20090256526 | APPARATUS AND METHOD FOR PRE-CHARGING IN CHARGING/DISCHARGING EQUIPMENT FOR AN ENERGY-STORAGE DEVICE - An apparatus includes a switching circuit operable with an arrangement configured to effectuate a charging or discharging of an energy-storage device to a circuit including electrically-parallel condenser. The switching circuit includes a main switch electrically connectable to the condenser, and a control circuit electrically connected in parallel with the main switch, and electrically connectable to the condenser. The main switch and control circuit are each configured to independently, switchably pass current from the energy-storage device to the condenser and a power load/source. In this regard, the main switch and control circuit are controllable to pass current from the energy-storage device to the power load, and in a manner whereby current from the energy-storage device to the condenser is diverted from passing through the main switch for a period during which a voltage disparity between the condenser and energy-storage device decreases to within a predetermined range. | 10-15-2009 |
| 20090289601 | METHOD AND APPARATUS FOR SYSTEM ACQUISITION WHILE MAINTAINING A DEFINED BATTERY LIFE SPAN - A method and an apparatus for system acquisition at a wireless device while maintaining a predetermined battery life span, include determining a level of remaining battery power upon entering an out of service state. A duty cycle, comprising a search time and sleep time, of acquisition attempts is determined such that the level of remaining battery power lasts for the defined battery life span. The duty cycle is determined by adjusting at least one of the search time and the sleep time, depending on how long the remaining battery power is required to last. | 11-26-2009 |
| 20100019730 | Tamper Detection And Disabling System For A Battery - A battery includes a battery chassis defining a housing. A tamper detection system is located in the housing and is operable to detect an access of the housing. A disabling system is located in the housing, coupled to the tamper detection system, and operable to disable a power supply function in response to the tamper detection system detecting the access of the housing. | 01-28-2010 |
| 20100171467 | BATTERY STATE MONITORING CIRCUITRY WITH LOW POWER CONSUMPTION DURING A STAND-BY-STATE OF A BATTERY PACK - A battery pack including at least one battery cell, a switch, and battery state monitoring circuitry. The battery state monitoring circuitry may be configured to control an ON resistance of the switch to a first ON resistance when the switch is ON and the battery pack is in a stand-by-state and to control the ON resistance to a second ON resistance when the switch is ON and said battery pack is not in said stand-by-state, the first ON resistance greater than the second ON resistance. A cordless electrical device and method consistent with embodiments are also provided. | 07-08-2010 |
| 20100207584 | Electrical Device Having an Energy Converter and an Energy Limiter - An electrical device ( | 08-19-2010 |
| 20100225278 | CHARGE PUMP DC-DC CONVERTER COMPRISING SOLID STATE BATTERIES - An electronic device is provided which comprises a DC-DC converter. The DC-DC converter comprises at least one solid-state rechargeable battery (B | 09-09-2010 |
| 20100253289 | METHOD AND SYSTEM FOR GRADUATED RESIDUAL BATTERY POWER UTILIZATION IN LONG-LIFE BATTERY POWERED DEVICES - A method of graduated residual battery power utilization of a long-life battery in a battery-powered device, comprising the steps of: defining at least one residual power level for the battery;assigning progressively limited battery-powered device functionalities for each of the at least one power level; and enabling the battery-powered device to be operated according to the at least one residual power level and the respective limited functionalities so as to extend the life of the battery and to avoid a depleted battery condition. | 10-07-2010 |
| 20100327814 | CONTROLLING LITHIUM DEPOSITION DURING MANUFACTURE OF A BATTERY - The present subject matter provides apparatus and methods for controlling lithium deposition during manufacture of implantable medical device batteries. A method includes processing materials to form the battery and performing a discharge conditioning process step. The discharge conditioning process step includes using a reduced discharge load and applying a discharge load intermittently to decrease formation of lithium deposits on negatively charged surfaces within the battery. | 12-30-2010 |
| 20110025274 | ENERGY ACCUMULATOR - The invention relates to an energy storage, containing at least one battery cell, and at least one Zener diode being disposed parallel to the at least one battery cell, wherein the cathode of the Zener diode is connected to the plus terminal of at least one battery cell, and the anode is connected to the minus terminal of at least one battery cell. | 02-03-2011 |
| 20110115438 | High Voltage Output Monitoring Device and System for a Power Battery - A high voltage output monitoring device and system of a power battery comprises a monitoring module, a control module and a central processor module, wherein the monitoring module carries out high voltage output monitoring, pre-charge monitoring and relay switching times monitoring; the control module controls a relay switch; the central processor module carries out processing and analysis of monitor signals, packs relay state signals, sends the packed relay state signals to a battery management system ( | 05-19-2011 |
| 20110127967 | ELECTROLYTE AND ENERGY STORAGE DEVICE - In one aspect, an energy storage device component comprising a transition metal cathode comprising a transition metal selected from the group consisting of nickel, iron, cobalt, chromium, manganese, molybdenum, antimony and combinations thereof; a solid sodium halide phase; and an electrolyte phase is provided. The electrolyte phase comprises an electrolyte composition prepared from sodium chloride, lithium chloride and aluminum trichloride. The electrolyte composition is in contact with the cathode. The electrolyte composition comprises the reaction products obtained from an initial mixture of sodium chloride (NaCl), lithium chloride (LiCl) and aluminum trichloride (AlCl | 06-02-2011 |
| 20110227540 | Direct-Current Power Source Apparatus - A direct-current power source apparatus in which a lithium-ion capacitor unit is used as an electric storage system and which can fully utilize the lithium-ion capacitor unit and maintain the supply of electricity to a load is provided. An electric storage system includes a lithium-ion capacitor unit and a lead-acid battery connected in parallel with a load, and a voltage detecting section that detects the voltage of the lithium-ion capacitor unit. When the voltage detecting section detects that the voltage of the lithium-ion capacitor unit has reached a unit lower-limit voltage, a control circuit outputs a conduction signal for causing a switching circuit to get into a conductive state. When the switching circuit gets into a conductive state, the secondary battery supplies an electric power to a motor. At this time, the secondary battery charges the lithium-ion capacitor unit. | 09-22-2011 |
| 20110234171 | BATTERY PACK AND METHOD OF CONTROLLING THE BATTERY PACK - A battery pack and a method of controlling the battery pack. The battery pack includes a battery cell and a capacitor connected in parallel to the battery pack. Accordingly, the battery power and the distance travelled by an electric transport device that requires an instantaneous high power output, such as an E-bike, may be increased. | 09-29-2011 |
| 20110248682 | LITHIUM CELL - A primary cell having an anode comprising lithium and a cathode comprising iron disulfide (FeS | 10-13-2011 |
| 20110316484 | POWER SUPPLY - The present invention concerns a power supply ( | 12-29-2011 |
| 20120032646 | BATTERY PACK AND METHOD OF CONTROLLING THE SAME - A battery pack, and a method of controlling the battery pack are disclosed. The battery pack detects consumption current when a load is not turned on, and shuts off power when a load is turned off or in stand-by mode, thereby preventing consumption current of the load from flowing. | 02-09-2012 |
| 20120056597 | SECONDARY BATTERY PACK SYSTEM - To provide a secondary battery pack system that controls battery packs which are connected in parallel without requiring a complex system configuration, a secondary battery pack system of the present invention that supplies power to an electronic device includes a plurality of battery packs each having a controller, a main body side connection circuit which is provided on the electronic device side so as to be connected to the plurality of battery packs, and a main body side discharge control signal line which is provided in the main body side connection circuit. The main body side discharge control signal line and controllers of the plurality of battery packs are connected to each other. | 03-08-2012 |
| 20120068667 | ELECTROCHEMICAL CELL SYSTEM WITH A PROGRESSIVE OXYGEN EVOLVING ELECTRODE / FUEL ELECTRODE - One aspect of the present invention provides an electrochemical cell system comprising at least one electrochemical cell configured to be selectively connected to a load to discharge the cell by generating electrical current using a fuel and an oxidant. The electrochemical cell system may alternatively be connected to a power supply to recharge the cell. The electrochemical cell system comprises a plurality of electrodes and electrode bodies therein. The electrochemical cell system further comprises a switching system configured to permit progressive movement of the anodes used for charging each electrochemical cell, maintaining a minimum distance from a progressively moving cathode that is the site of fuel growth. | 03-22-2012 |
| 20120119706 | Solid-state chemical current source and a method for increasing a discharge power - A solid-state chemical current source and a method for increasing a discharge power thereof are disclosed. The current source can be used in electrochemical engineering, in particular for primary and secondary solid-state chemical power sources. The solid-state chemical current source comprises a body provided with current leading-out wires and solid-state galvanic cells which are arranged therein, are connected to the current leading-out wires, are based on solid ion conductors and perform the function of heating elements. A heat insulation for reducing heat losses of the heated galvanic cells is arranged inside and\or outside the body. The inventive method for increasing the discharge power of the solid-state chemical current source by heating it consists in using the heat produced by the electric current flowing through the galvanic cells and in maintaining the hot state of the said galvanic cells during the discharge. | 05-17-2012 |
| 20120139500 | METHOD FOR LIMITING BATTERY DISCHARGING CURRENT IN BATTERY CHARGER AND DISCHARGER CIRCUIT - A power supply system includes a rechargeable battery to deliver a supply current to a load and a circuit to limit a discharge current when the rechargeable battery is supplying power to the load. The power supply system may further include an integrator for integrating a discharge voltage representing the discharge current that exceeds a predetermined limit, a pulse-width-modulation (PWM) circuit for producing a control signal having a PWM duty cycle representing the discharge voltage, and a driver circuit for delivering the supply current to said load according to said control signal. In one embodiment, a digital register is used to set the battery discharging current limit, in another embodiment an analog circuit is used to set the battery discharging current limit, and in yet another embodiment or a combination of the digital register and analog circuit is used to set the battery discharging current limit. | 06-07-2012 |
| 20120153901 | Method of Withdrawing Heat from a Battery Pack - A method for withdrawing heat from a battery pack is provided, wherein the heat is transferred from at least one electrode of each cell comprising the battery pack, via an electrically and thermally conductive tab, through a current collector plate and through a thermal interface layer to a temperature control panel that is coupled to an external temperature control system. | 06-21-2012 |
| 20120161714 | DISCHARGE CONTROL APPARATUS AND DISCHARGE CONTROL METHOD - A discharge control apparatus includes: two or more battery packs equipped with a secondary battery; and a main control unit controlling discharge from the battery packs, in which the two or more battery packs are controlled such that at least one of the battery packs selected by the main control unit discharges, and when switching the battery packs so that only the selected battery pack discharges, the main control unit controls switching such that the battery pack after switching discharges and then the battery pack before switching stops discharge. | 06-28-2012 |
| 20120187915 | METHOD AND SYSTEM FOR MANAGING VEHICLE BATTERY CHARGE - A method and system for protecting a vehicle battery from excessive discharge are described. The method includes monitoring vehicle conditions including determining whether safety conditions are met and whether the vehicle is stationary. Further, the method activates a power save mode based on the monitoring step. The power save mode includes simulating an ignition off condition. | 07-26-2012 |
| 20120256595 | METHOD OF EXTENDING THE SHELF-LIFE OF A COIN CELL IN AN APPLICATION REQUIRING HIGH PULSE CURRENT - A system is provided for extending the shelf life capacity of a coin cell, the system utilizing a coin cell; a voltage step up converter/regulator, configured to step up the voltage of output from the coin cell and the storage capacitor; and a storage capacitor receiving output from the voltage step up converter/regulator. | 10-11-2012 |
| 20130082663 | DISCHARGE SYSTEM AND ELECTRIC VEHICLE - In a discharge system that outputs DC power from a vehicle battery to the outside, improved safety is obtained during discharge of the battery. A discharge system includes an electric car having a battery unit mounted thereon, and a discharge device that discharges the battery unit. The electric car includes a connector to which the discharge device is connected, and a power line that connects the connector and the battery unit to each other. In the power line, switches and switching elements are provided. The switches render the power line conducting upon permission from the discharge device and a battery management unit. The switching elements adjust a current flowing in the power line when the battery unit is discharged. | 04-04-2013 |
| 20130106361 | Device and method for warming up a battery | 05-02-2013 |
| 20130127421 | ARRANGEMENT AND METHOD FOR SAFELY DISCHARING AN ENERGY ACCUMULATOR - Energy storage arrangement for safely discharging an energy accumulator with electric poles via which the energy accumulator can be at least discharged, an electrically conductive conductor medium in the form of a fluid or fine-grained bulk material or a mixture of both, a reservoir container which is filled with the conductor medium, a collecting container which is provided for accommodating the conductor medium and which encloses the electric poles of the energy accumulator, and a triggerable discharging device, by means of which, in the case of triggering, conductor medium is discharged from the reservoir container into the collecting container such that the electric poles of the energy accumulator are connected to one another in an electrically conductive fashion via the conductor medium. | 05-23-2013 |
| 20130127422 | BATTERY CONTROL DEVICE - A battery control device is provided that uses a discharge to adjust the capacitance of cells that form a bipolar battery and calculates the voltage increase value of the remaining cells that do not discharge to adjust capacitance if one or more cells, among all of the cells that form the bipolar battery, are discharged to adjust capacitance in a battery control device that controls voltage dispersion or volume dispersion between cells that form the bipolar battery; and setting the general discharge value when there is a discharge to adjust capacitance on the basis of the result of the voltage increase value calculation. | 05-23-2013 |
| 20130162219 | ELECTRONIC DEVICE HAVING BATTERY DEVICE POWER PROTECTION AND RESET CIRCUIT AND METHOD OF OPERATING THE SAME - An electronic device and a method of operating the same are disclosed, where the electronic device includes a main system, a battery, and a battery device power protection and reset circuit The battery device power protection and reset circuit includes a charging circuit and a switch device. The switch device connects the battery and the main system. The charging circuit turns off the switch device when operating under a first trigger mode, so that the switch device can electrically isolate the main system from the battery. | 06-27-2013 |
| 20130175998 | BATTERY DEPOWER FOR AUTOMOBILE BATTERIES - Methods and systems for depowering an automotive battery in a controlled manner. The methods comprise (i) providing a depowering medium comprising one or more non-ionic electric conductors (for example, a carbon conductor) dispersed in a substantially non-ionic aqueous medium; (ii) contacting terminals of the battery with the depowering medium; and (iii) maintaining contact between the depowering medium and terminals for a period of time sufficient to depower the battery. The systems comprise (i) the depowering medium; and (ii) a container configured to receive a battery and the depowering medium such that the battery body is contacted with the depowering medium prior to the terminals. | 07-11-2013 |
| 20130207615 | VACUUM CLEANER AND A BATTERY PACK THEREFOR - A battery pack suitable for handheld appliance, the battery pack including a plurality of cells and a circuit board associated with the cells, wherein a power terminal is associated with the circuit board and configured to transmit power to an appliance, in use, the battery pack further including a momentary switch operatively connected to the circuit board and movable between closed and open positions by an actuator wherein, when in the open position the power terminal is configured by the circuit to a power delivery state and, when in the closed position, the power terminal is configured by the circuit to a power disabled state. | 08-15-2013 |
| 20130221929 | DELAYED REACTIVE ELECTRICAL CONSUMPTION MITIGATION - The electrical consumption mitigation provided by energy storage systems can be unreliable when a consumption peak lasts long enough to deplete the energy stored and the remainder of the peak is unmitigated. By implementing a waiting period between detecting the peak and discharging the energy storage in which characteristics of the peak are observed, a peak mitigation system can lengthen the effective discharge duration of the energy storage system and prevent unmitigated plateaus from appearing. For example, when a consumption plateau is detected, the system may discharge at a slower rate than when a spike is detected in order to prolong mitigation activities before the conclusion of the plateau. Thus otherwise-incurred demand-related utility charges can be reduced without having to increase the capacity of the mitigation system. In some cases, these processes are performed with respect to the bounds of demand-averaged time periods used to calculate demand charges. | 08-29-2013 |
| 20130234673 | DISCHARGE CIRCUIT - A discharge circuit for increasing discharge time of battery includes a discharging IC and a delay discharge circuit. When the discharging IC detects any voltage input, a minimum operating voltage of the discharging IC is set to 6.3V, when the discharging IC detects no voltage input, the minimum operating voltage of the discharging IC is set to 5.5 V. The delay discharge circuit is connected with a system voltage via a first current-limiting resistance, to make the discharging IC unable to detect any voltage input when only a battery is used as power source, thereby the minimum operating voltage of the discharging IC is set to 5.5V. | 09-12-2013 |
| 20130241498 | LITHIUM STARTER BATTERY AND SOLID STATE SWITCH THEREFOR - Apparatus for increasing the efficiency of a starter battery for a starter motor of an internal combustion engine in a battery pack arrangement with one or more lithium based cells. The invention includes a solid state switching configuration for high powered battery systems for protecting against over-charging, over-discharging and short circuiting of batteries, especially starter batteries for internal combustion engines. | 09-19-2013 |
| 20130278222 | Field Device with a Battery Unit - An apparatus comprising a battery unit and an electronics unit. The battery unit has a battery with a first and a second pole. The battery unit has at least a first, at least a second and at least a third electrical contact, wherein the first contact and the third contact are connected with the first pole, and wherein the second contact is connected with the second pole. The electronics unit has an input circuit with at least a first and at least a second electrical countercontact for receiving electrical energy from the battery unit essentially via the first and second contacts or essentially via the second and third contacts of the battery unit. | 10-24-2013 |
| 20130285617 | Method for Adjusting a DC Intermediate Circuit Voltage - The disclosure relates to a method for adjusting a voltage of a DC intermediate circuit in a battery system composed of a battery and a drive system. The battery is connected to the drive system via the DC intermediate circuit and comprises at least one battery module that has a coupling unit and at least one battery cell connected between a first input and a second input of the coupling unit. In a first method step, the at least one battery cell of the at least one battery module is decoupled during a first variable time period by emitting a corresponding control signal to the coupling unit of the at least one battery module, and the at least one battery module is bridged on the output side so that an output voltage of the battery becomes zero. | 10-31-2013 |
| 20130320931 | POWER-SOURCE CONTROL APPARATUS FOR VEHICLE - A battery, a regenerative generator, a capacitor capable of storing power generated by the regenerative generator, and a DC/DC convertor capable of allowing an output current to flow up to a specified permissible limit value are provided. The capacitor is connected to a first circuit portion connecting the regenerative generator and the DC/DC convertor. The battery is connected to a second circuit portion connecting the DC/DC convertor and electric loads. Thereby, power from the capacitor is supplied to electric loads by way of the DC/DC convertor until the output current of the DC/DC convertor reaches the specified permissible limit value, whereas power from the battery is supplied to the electric loads after the output current of the DC/DC convertor has reached the specified permissible limit value. A specified electric load is turned OFF when the power from the battery is supplied. | 12-05-2013 |
| 20130342170 | BATTERY DISCHARGE DEVICE FOR REUSING DISCHARGE ENERGY AND METHOD USING BATTERY DISCHARGE DEVICE - A battery discharge device may include an accommodation unit to accommodate a battery, a controller to control a switch connected to the battery so that a first alternating current (AC) power is generated based on a discharge profile and a first direct current (DC) power discharged from the battery, a transformation unit to generate, based on the first AC power, a second AC power having a voltage higher than a voltage of the first AC power, and a rectification unit to generate a second DC power, based on the second AC power. | 12-26-2013 |
| 20140015491 | INTERNALLY REFERENCED SCALABLE AUTO DISCHARGE METHOD FOR HYBRID ELECTRIC VEHICLES - A circuit for discharging a battery including a voltage divider network having a plurality of resistors and being electrically coupled in parallel with the battery, where the voltage divider network divides a voltage potential of the battery and where a voltage potential across one of the resistors in the voltage divider network provides a reference voltage. The circuit also includes a load electrically coupled in parallel with the battery and the voltage divider network and a switch electrically coupled in series with the load and being controlled by the reference voltage. A current flow through the load generated by the battery discharges the battery which causes the reference voltage to decrease until the reference voltage falls to a predetermined voltage that causes the switch to open so that the battery is discharged to the predetermined voltage. The switch can be a soft-switch or a hard-switch. | 01-16-2014 |
| 20140049223 | RECHARGEABLE PROGRAMMABLE INTELLIGENT VARIABLE OUTPUT BATTERY MODULE - A battery module of the present invention is described for providing programmable variable power output to a device. The battery module has a body, a first contact located at a first end of the body, a second contact located at a second end of the body, a battery received in the body, and a battery controller. The first contact includes at least one electrical contact surface having concentric raised and recessed surfaces. The second contact has at least one electrical contact surface that includes a nipple extending outwardly therefrom. The battery controller is located in the body, and is in electrical communication with the first contact, the second contact and the battery. The battery controller is programmed to monitor an electrical demand by the device and to control an electrical discharge from the battery. | 02-20-2014 |
| 20140091770 | SYSTEM AND METHOD FOR ALLOCATING IDENTIFIER TO MULTI-BMS - Disclosed is a multi-BMS identifier allocation system. The multi-BMS identifier allocation system according to the present invention comprises a master BMS and N slave BMSs (N is an integer greater than or equal to 2) which are connected to a series communication network and a parallel communication network, wherein the master BMS comprises at least two first and second master communication channels which form a communication interface with the series communication network and selectively output a forward or backward enabling signal and allocates unique communication identifiers to the slave BMSs through the parallel communication network, and the first to Nth slave BMSs start enabling in response to the forward or backward enabling signal received through the series communication network, are allocated the identifiers from the master BMS through the parallel communication network, and output an enabling signal to an adjacent slave BMS along a transmission direction of the enabling signal. | 04-03-2014 |
| 20140117941 | Voltage Control Using Field-Effect Transistors - Described herein are techniques and architectures for gradually transitioning from voltage supplied by a primary power source to voltage supplied by a secondary power source. In particular implementations, a voltage control circuit is used to transition voltage across a load to be supplied by the secondary power source. The voltage control circuit may include a first circuit and a second circuit connected in parallel. The first circuit may include the primary power source connect to the load, while the second circuit may include the secondary power source connected to one or more field-effect transistors. The one or more field-effect transistors may be controlled to cause current of the secondary power source to be gradually transferred to the load. This may result in a transfer of the voltage across the load to be supplied by the secondary power source. | 05-01-2014 |
| 20140125290 | POWER RELAY ASSEMBLY DRIVING APPARATUS AND DRIVING METHOD THEREOF - According to one embodiment of the present invention, a power relay assembly driving apparatus comprises: a first relay unit which switches a connection between a first terminal of a battery unit and a first terminal of an inverter unit having a capacitor; a second relay unit which switches a connection between a second terminal of the battery unit and a second terminal of the inverter unit; a first switching unit connected in parallel to the second relay unit between the second terminal of the battery unit and the second terminal of the inverter unit; a second switching unit connected in parallel to the second relay unit between the second terminal of the battery unit and the second terminal of the inverter unit; and a battery management system (BMS) which controls the first relay unit and the first switching unit in order to pre-charge the capacitor with the power of the battery unit, controls the second relay unit in order to normal-charge the capacitor with the power of the battery unit and then controls the first switching unit in order to end the pre-charging of the capacitor, controls the second switching unit upon a power cutoff of the battery unit in order to form an equipotential between the second relay unit and the second terminal of the inverter unit, and controls the second relay unit in order to electrically separate the second terminal of the battery unit and the second terminal of the inverter unit from each other. | 05-08-2014 |
| 20140145682 | BATTERY MANAGEMENT CIRCUIT AND BATTERY MANAGEMENT SYSTEM INCLUDING THE SAME - A battery management circuit and a battery management system including the same are provided. The battery management circuit is coupled to a plurality of battery cells, controls an input of a first pin to correspond to an input of a second pin, and determines a level of a receiving current based on a receiving signal that is input through the first pin. The battery management circuit includes a gate driving circuit including an on-transistor and an off-transistor in which a gate signal that is generated based on the receiving signal is input to a gate. A power supply voltage that is supplied from the plurality of battery cells is coupled to the second pin. | 05-29-2014 |
| 20140184167 | SECONDARY BATTERY PACK SYSTEM - To provide a secondary battery pack system that controls battery packs which are connected in parallel without requiring a complex system configuration, a secondary battery pack system of the present invention that supplies power to an electronic device includes a plurality of battery packs each having a controller, a main body side connection circuit which is provided on the electronic device side so as to be connected to the plurality of battery packs, and a main body side discharge control signal line which is provided in the main body side connection circuit. The main body side discharge control signal line and controllers of the plurality of battery packs are connected to each other. | 07-03-2014 |
| 20140210421 | DEVICE CONTROL APPARATUS AND DEVICE CONTROL METHOD - A device control apparatus according to an embodiment includes a monitoring unit, a first processing unit, and a second processing unit. The monitoring unit monitors a state of voltage supply from a battery. When the start of the voltage supply is detected, the first processing unit starts the voltage supply to some devices, operates in a first operation mode, and executes a resume process of the devices. When the resume process is completed, the second processing unit starts the voltage supply to devices other than some devices, initializes states of the devices, and operates in a second operation mode in which consumption power is larger than consumption power of the first operation mode. | 07-31-2014 |
| 20140327408 | VEHICLE WITH AN ELECTRIC STORAGE SECTION, AND CHARGE-DISCHARGE SYSTEM INCLUDING THE VEHICLE AND AN ENERGY MANAGEMENT EQUIPMENT | 11-06-2014 |
| 20140340047 | SYSTEM AND METHOD FOR CONTROLLING AN ENERGY STORAGE DEVICE - The invention relates to a method for controlling an energy storage device that comprises n output connections, wherein n≧2, for producing a supply voltage at each of the output connections, and n energy supply branches, which are each coupled to one of the output connections, wherein each of the energy supply branches comprises a plurality of series-connected energy storage modules that each comprise an energy storage cell module comprising at least one energy storage cell, and a coupling device having coupling elements in a full bridge circuit that is designed to connect or bridge the energy storage cell module selectively in the respective energy supply branch. The method according to the invention comprises the following steps: for a number k of energy storage modules of at least one first energy supply branch, generating a first pulse width modulated control signal for controlling the coupling devices of the respective energy storage modules by comparing a first target value signal with a number 2k first periodic reference signals having a pulse period T, which signals each have a phase shift of T/2k relative to the adjacent first reference signals; and, for a number k of energy storage modules of at least one second energy supply branch, generating a second pulse width modulated control signal for controlling the coupling devices of the respective energy storage modules by comparing a second target value signal with a number 2k of second periodic reference signals having the pulse period T, which each have a phase shift of T/2k relative to the adjacent second reference signals. The second reference signals each have a phase shift of T/4k relative to the first reference signals. | 11-20-2014 |
| 20140368169 | Battery having a Control Device and an Additional Interface - A battery includes a control device having an interface configured to enable a measurement of battery properties and/or of a discharge of the battery, in the event that the control device has failed. A motor vehicle, such as an electrical motor vehicle, includes the battery. An analysis plug is configured to replace a maintenance plug of the battery. A method for monitoring the battery includes measuring battery properties and/or a discharge of the battery via an interface, in the event that the control device has failed. | 12-18-2014 |
| 20150015207 | ELECTRIC AUTOMOBILE AND DISCHARGING DEVICE THEREOF - A discharging apparatus for an electric vehicle and an electric vehicle are provided. The discharging apparatus comprises: an AC charging interface; a charging connection device, having a first terminal connected with the AC charging interface and a second terminal connected with an exterior equipment, and configured to transmit an AC output from the AC charging interface to the exterior equipment; an instrument, configured to send a discharging preparation instruction; a controller, configured to detect whether the charging connection device is connected with the AC charging interface, and if yes, to switch to an external discharging mode; a battery manager, configured to control an external discharging circuit in a high-voltage distribution box of the electric vehicle to be connected after the controller switches to the external discharging mode; a power battery, connected with the high-voltage distribution box and configured to provide a DC via the external discharging circuit. | 01-15-2015 |
| 20150042288 | VEHICLE WITH AN ELECTRIC STORAGE SECTION CAPABLE OF DISCHARGING (SUPPLYING) AN ELECTRIC POWER TO AN EXTERNAL ELECTRIC LOAD, DISCHARGE SYSTEM INCLUDING THE VEHICLE AND A POWER CABLE, METHOD FOR DISCHARGING THE ELECTRIC STORAGE SECTION, AND EQUIPMENT EXTERNAL TO THE VEHICLE USED IN THE DISCHARGE SYSTEM | 02-12-2015 |
| 20150115893 | ARRAY-TYPE MULTILAYER CERAMIC ELECTRONIC COMPONENT AND BOARD HAVING THE SAME MOUNTED THEREON - An array-type multilayer ceramic electronic component includes a ceramic body including a plurality of first dielectric layers and a plurality of second dielectric layers, first and second internal electrodes disposed on the first dielectric layers and facing each other, third and fourth internal electrodes disposed on the second dielectric layers and facing each other, a first external electrode disposed on a first end surface of the ceramic body and connected to the first internal electrode, a second external electrode disposed on a first side surface of the ceramic body and connected to the second internal electrode, a third external electrode disposed on a second end surface of the ceramic body and connected to the third internal electrode, and a fourth external electrode disposed on a second side surface of the ceramic body and connected to the fourth internal electrode. | 04-30-2015 |
| 20150115894 | COOLER HAVING BATTERY CHARGING SYSTEM - A portable cooler includes a cooler body formed of an insulating shell defining an interior storage section, a rechargeable battery, and a charging port coupled to the rechargeable battery to guide energy from the rechargeable battery to an external electrical device coupled to the port. The port may be, for example, a USB port or other port. The port may be protected from water infiltration. In some aspects the charging port is a universal port and various specific ports may be included as port attachments. The port attachments allow for a variety of devices to be coupled to the charging port. In some aspects the rechargeable battery may be a high-voltage battery coupled to the charging port through a voltage limiter. | 04-30-2015 |
| 20150298630 | SYSTEM FOR MONITORING BATTERY PROVIDED IN VEHICLE - A system (e.g., a monitoring device) for monitoring a first battery (e.g., a vehicle battery) provided in a vehicle is provided with a monitoring unit for monitoring the electric state of the first battery (e.g., the vehicle battery) capable of starting a motor of the vehicle; and a power supply unit that is a second battery for supplying electric power to the monitoring unit. The monitoring unit may determine whether or not the motor is stopped, and when the motor is stopped, the monitoring unit may monitor, as the electric state of the first battery, e.g., the voltage of the first battery. | 10-22-2015 |
| 20150340899 | AUTOMATIC BATTERY DISCHARGE TOOL - An assembly for discharging a battery using an adjustable variable resistor. A battery is connected to the assembly. An operating sequence for the connected battery is selected from a plurality of predetermined operating sequences for different batteries. The predetermined operating sequences are presented as a function of a battery characteristic. The selected operating sequence adjusts the resistor and the battery is discharged using the adjusted resistor. | 11-26-2015 |
| 20160072331 | METHOD FOR LIMITING BATTERY DISCHARGING CURRENT IN BATTERY CHARGER AND DISCHARGER CIRCUIT - A power supply system includes a rechargeable battery to deliver a supply current to a load and a circuit to limit a discharge current when the rechargeable battery is supplying power to the load. The power supply system may further include an integrator for integrating a discharge voltage representing the discharge current that exceeds a predetermined limit, a pulse-width-modulation (PWM) circuit for producing a control signal having a PWM duty cycle representing the discharge voltage, and a driver circuit for delivering the supply current to said load according to said control signal. In one embodiment, a digital register is used to set the battery discharging current limit, in another embodiment an analog circuit is used to set the battery discharging current limit, and in yet another embodiment or a combination of the digital register and analog circuit is used to set the battery discharging current limit. | 03-10-2016 |
| 20160141905 | POWER SUPPLY SYSTEM AND VOLTAGE CONTROL METHOD FOR FUEL CELL - A voltage control method for a fuel cell may include: interrupting electrical connection between the fuel cell and a load in a low load state; supplying oxygen to the fuel cell in accordance with a preset condition during the electrical connection is interrupted; detecting an OCV of the fuel cell after oxygen is supplied to the fuel cell in accordance with the preset condition; reducing an amount of oxygen supplied to the fuel cell when the OCV is higher than a target voltage by a first value or larger; increasing the amount of oxygen when the OCV is lower than the target voltage by a second value or larger; and keeping the amount of oxygen when the OCV is lower than a sum of the target voltage and the first value and higher than a value obtained by subtracting the second value from the target voltage. | 05-19-2016 |
| 20160181847 | Programmable Current Discharge System | 06-23-2016 |
| 20160190845 | MULTI-STAGE DISCHARGE CIRCUIT FOR AN ELECTRONIC DEVICE AND A MULTI-STAGE DISCHARGE METHOD - A discharge circuit for an electronic device includes an energy storage element, a plurality of switches and a plurality of discharge paths coupled to the energy storage element and the switches. If a system power of the electronic device is turned off, a first switch of the switches conducts a first discharge path of the discharge paths, and the energy storage element is discharged through the first discharge path. In response that a voltage of the energy storage element drops to a first threshold, a second switch of the switches conducts a second discharge path of the discharge paths, and the energy storage element is discharged through the first discharge path and the second discharge path. | 06-30-2016 |
| 20180026458 | ELECTRIC POWER STORAGE APPARATUS | 01-25-2018 |
