| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 320117000 | Switchable to parallel connection | 22 |
| 20080238367 | RECHARGEABLE ELECTRICAL POWER SUPPLY UNIT FOR AN ELECTRONIC DEVICE OF A BICYCLE - A rechargeable electrical power supply unit for an electronic device of a bicycle, comprising three battery elements with a positive pole and a negative pole is provided. The battery elements are arranged in such a way that through switching means it is possible to realize a first operating configuration wherein the battery elements are connected in series for the delivery of energy to the electronic device, and a second operating configuration wherein the battery elements are individually recharged by a respective source of a recharging device. | 10-02-2008 |
| 20090085515 | CIRCUIT ARRANGEMENT WITH MULTIPLE BATTERIES - Disclosed is a circuit arrangement. The circuit arrangement includes a plurality of rechargeable batteries each having at least one rechargeable electrochemical cell, and current-carrying members connecting the plurality of batteries such that when the plurality of batteries are charging the plurality of batteries are in a series electrical circuit arrangement and when the plurality of batteries are discharging the plurality of batteries are in a parallel electrical circuit arrangement. | 04-02-2009 |
| 20100213898 | MOTIVE POWER DUAL BATTERY PACK - A fast charge configuration for a power supply includes a serial connection to a pair of batteries each having an output that is half that required by the device, such as the electric vehicle, in which the batteries are to be used. When the batteries in then connected to the vehicle, they are connected in parallel | 08-26-2010 |
| 20110001456 | Apparatus and method for managing a plurality of secondary batteries - The present invention comprising the series-parallel switches and method of connecting a plurality of batteries in series, parallel, or both dynamically by controlling the series-parallel switches to form an electrically connected battery pack. A monitor processing unit monitors unbalance among batteries and selectively changes the states of series-parallel switches to balance the voltage different among batteries. | 01-06-2011 |
| 20110181244 | Charging contact array for enabling parallel charging and series discharging of batteries - A contact array arrangement which both receives charging current for charging batteries of a battery pack, and which also breaks the parallel charging contact position (contact configuration in which individual batteries of the battery pack are charged in parallel) then reestablishes series connection of the batteries when a charge electrode array is urged against the contact array arrangement and when the charge electrode array is removed. A cover covering the contact array may be connected by throughbolts to a support supporting series connection contacts such that depressing the cover by imposing a downward force (e.g., the weight of a charge electrode array), moves the series connection contacts out of contact with those contacts receiving charge current. Springs return the series connection contacts to the series condition. Charge conductors fixed to the contact array pass through or by the series connection such that a very compact device results. | 07-28-2011 |
| 20110279085 | VOLTAGE EQUALIZATION DEVICE, METHOD, PROGRAM, AND POWER STORAGE SYSTEM - A voltage equalization device of a power storage device provided with battery packs in which a plurality of secondary cells are connected, power converters provided in association with the battery packs, and controllers that control the power converters, and in which the battery packs are connected in parallel via the individual power converters includes a decision portion and a voltage-adjusting portion. The decision portion obtains battery-pack information regarding the states of charge/discharge of the individual battery packs and decides, for each battery pack, whether or not to perform voltage adjustment on the basis of the battery-pack information. When the decision portion decides that the voltage adjustment is to be performed, the voltage-adjusting portion generates offset instructions for adjusting the states of charge/discharge and outputs the offset instructions to the controllers of the power converters associated with the battery packs. | 11-17-2011 |
| 20110285351 | MORE READILY AVAILABLE TRACTION BATTERY - The invention relates to a traction battery having at least two serially connected battery modules, each of which has a first battery module pole, a second battery module pole, and at least one inserted series circuit and/or parallel circuit of battery cells. A first terminal of the series circuit of battery modules is connected to a first battery pole, while a second terminal of the series circuit of battery modules is connected to a second battery pole. According to the invention, at least one battery module of the at least two serially connected battery modules is a first battery module which has at least one disconnecting device and a bridging device. When triggered accordingly, the at least one disconnecting device interrupts the connection between the series circuit and/or parallel circuit of battery cells and the first battery module pole and/or the second battery module pole and/or interrupts the series circuit and/or parallel circuit of battery cells. Furthermore, the first battery module pole and the second battery module pole are short-circuited via the bridging device inserted between the first battery module pole and the second battery module pole when the bridging device is triggered accordingly. Additionally or alternatively, at least one battery module of the at least two serially connected battery modules is a second battery module that has at least one charging and disconnecting device and a bridging device. When triggered accordingly, the at least one charging and disconnecting device interrupts the connection between the series circuit and/or parallel circuit of battery cells and the first battery module pole and/or the second battery module pole and/or interrupts the series circuit and/or parallel circuit of battery cells and limits charging or compensating currents occurring when the battery module or the battery comprising the battery module is connected. Furthermore, the first battery module pole and the second battery module pole are short-circuited via the bridging device inserted between the first battery module pole and the second battery module pole when the bridging device is triggered accordingly. | 11-24-2011 |
| 20120007557 | Motive Power Dual Battery Pack - A fast charge configuration for a power supply includes a serial connection to a pair of batteries each having an output that is half that required by the device, such as the electric vehicle, in which the batteries are to be used. When the batteries in then connected to the vehicle, they are connected in parallel | 01-12-2012 |
| 20120119704 | LOW-LOSS STORAGE BATTERY - The invention relates to a storage battery ( | 05-17-2012 |
| 20120293128 | BATTERY PACK - A battery pack is provided. In one embodiment, the battery pack includes a plurality of battery units each including at least one battery cell, a charge switch unit for connecting the plurality of battery units in parallel to form a charge path, a discharge switch unit for connecting the plurality of battery units in series to form a discharge path, and a battery management unit for controlling switching of the charge switch unit and the discharge switch unit according to a standby mode, a charge mode, a and discharge mode of the battery pack. The switching is controlled with a delay time associated with each of combinations of mode conversion between the modes. | 11-22-2012 |
| 20120299548 | Battery System - There is provided a battery system having a plurality of storage batteries capable of charging and discharging, and at least two or more of the storage batteries are connected in series. The battery system includes a connecting terminal capable of connecting a storage battery in parallel with any one of the other storage batteries. The battery system is capable of replacing the storage battery without restricting the configuration to be serial connection or parallel connection, while avoiding decline of the output power. | 11-29-2012 |
| 20130020998 | Intelligent Battery With Off-Line Spare Battery Charging and Output Regulation System - A battery pack having multiple cells connected through “virtual” connections via MOSFETs, other insulated-gate field-effect transistors, and the like. The use of virtual connections allows for the use of one or more “spare” battery cells, which may be swapped in for underperforming cells or to take discharged cells offline for charging. A microprocessor monitors and manages individual battery cells or batteries in an array. The battery pack of the present disclosure may further include an optional cooling system and/or a novel encapsulation to protect the cells and electronics from use in harsh environments. | 01-24-2013 |
| 20130300370 | BATTERY PACK AND ELECTRIC POWER CONSUMING APPARATUS - A battery pack that has a configuration in which a plurality of secondary battery cells are connected in series at time of discharge and are connected in parallel at time of charge, and that has a configuration and a structure with which the charge and the discharge are allowed to be performed without any trouble even if an abnormal-state secondary battery cell exists is provided. A battery pack | 11-14-2013 |
| 20130320926 | METHOD AND APPARATUS FOR ADAPTING A BATTERY VOLTAGE - An apparatus and method for adapting a voltage of a battery pack is provided through a switch control logic coupled to the cells of the pack. The switch control logic determines the output voltage generated by the cells and an operating state of the battery pack. The switch control logic is configured to selectively switch the plurality of cells between a series cell configuration and a parallel cell configuration based upon the determined current output voltage and the operating state of the battery pack. | 12-05-2013 |
| 20140077764 | Method for Battery Management and Diagnosis - Method for managing a battery comprising several accumulators that can be linked in series or in parallel, comprising a charging or discharging phase during which the accumulators are disposed in series, characterized in that it thereafter comprises a balancing phase comprising the placing of the accumulators in parallel, during which an electrical quantity G | 03-20-2014 |
| 20140239896 | CHARGE/DISCHARGE CONTROL CIRCUIT AND METHOD FOR CONTROLLING CHARGE/DISCHARGE - A charge/discharge control circuit for controlling charging and discharging of multiple secondary batteries includes a series-connection switch part that connects the multiple secondary batteries in series during the charging and connects the multiple secondary batteries in parallel during the discharging. | 08-28-2014 |
| 20150108949 | Integrated Multiple Voltage Energy Storage System and Method - An integrated multiple voltage battery system includes a first pair of output terminals, a second pair of output terminals, a plurality of first battery cells connected in series with each other and operatively connected to the first pair of output terminals, at least one second battery cell operatively connected to the second pair of outlet terminals, and a plurality of switches, the plurality of switches arranged such that each first battery cell in the plurality of first battery cells can be selectively placed in parallel with the at least one second battery cell while electrically isolating the other of the plurality of first battery cells from the at least one second battery cell, wherein each of the plurality of first battery cells has a nominal open cell voltage which is about the same as a nominal open cell voltage of the at least one second battery cell. | 04-23-2015 |
| 20150145481 | Battery Control Device and Electricity Storage Device - A battery control device that controls a battery module in which a plurality of cell groups, in each of which a plurality of cells are connected in series, are connected in series or series-parallel, includes: a plurality of cell controller ICs that control each of the plurality of cell groups; and one or more connectors that are provided for connecting the plurality of cell controller ICs to the battery module; wherein: the plurality of cell controller ICs include first and second cell controller ICs that are provided in sequence, so as to control two or more of the cell groups that are connected in series; and an auxiliary connection member (a pin) is provided for connecting GND terminal side wiring of the first cell controller IC and VCC terminal side wiring of the second cell controller IC together, externally to the battery control device. | 05-28-2015 |
| 20160036251 | QUICK LOW-VOLTAGE RECHARGEABLE BATTERY - A quick low-voltage rechargeable battery is switched between a charging mode and a discharging mode. The battery includes plural battery cells and a power management circuit. Each battery cell includes a battery positive terminal and a battery negative terminal. The battery positive terminal of each battery cell corresponds to the battery negative terminal of another battery cell sequentially, so as to constitute a battery cell sequence. Respectively, the battery cells connect the power management circuit. The power management circuit includes a loading positive terminal and a loading negative terminal used to connect to a load. In the discharging mode, the power management circuit switches the battery cells to a series connection state; in the charging mode, the power management circuit switches the battery cells to respectively connect to a charging source and to be charged, and the battery cells are not connected in series. | 02-04-2016 |
| 20160118865 | Systems, Methods, and Apparatus for a Homopolar Generator Charger with Integral Rechargeable Battery - Systems, methods, and apparatus for providing a homopolar generator charger with an integral rechargeable battery. A method is provided for converting rotational kinetic energy to electrical energy for charging one or more battery cells. The method can include rotating, by a shaft, a rotor in a magnetic flux field to generate current, wherein the rotor comprises an electrically conductive portion having an inner diameter conductive connection surface and an outer diameter conductive connection surface, and wherein a voltage potential is induced between the inner and outer diameter connection surfaces upon rotation in the magnetic flux field. The method can also include selectively coupling the generated current from the rotating rotor to terminals of the one or more battery cells. | 04-28-2016 |
| 20160190834 | CHARGING METHOD AND CHARGING DEVICE - A charging method of a secondary battery having plural cells includes: connecting the plural cells in series and conducting constant current charging by a first power source; measuring voltages of the plural cells; and connecting the plural cells in parallel and conducting constant voltage charging by a second power source, a voltage of which is lower than a voltage of the first power source, in the case where a measured voltage difference among the plural cells is smaller than a specified value. | 06-30-2016 |
| 20220140621 | CHARGING INTEGRATED CIRCUIT FOR CHARGING BATTERY DEVICE AND ELECTRONIC DEVICE INCLUDING THE SAME - A charging integrated circuit (IC) includes: a connection circuit configured to selectively connect a first battery and a second battery to each other in series and in parallel; a first charger configured to charge the first battery and the second battery connected to each other in parallel in a first charging mode; and a second charger configured to charge the first battery and the second battery connected to each other in series in a second charging mode. The connection circuit may include: a first regulating circuit connected to the first battery in series and configured to regulate a first balancing current flowing to the first battery; and a second regulating circuit connected to the second battery in series and configured to regulate a second balancing current flowing to the second battery. | 05-05-2022 |
