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| Number | Title | Issue Date |
| 8182934 | Secondary battery A secondary battery comprises a power generating element, a battery case including a gas release hole, and a valve safety device configured to close the gas release hole and release gas out of the battery case when inner pressure in the battery case exceeds a predet... | 05/22/2012 |
| 8142919 | Battery pack apparatus with a plurality of medium feeding parts for adjusting temperature thereof A battery pack apparatus including at least one battery assembly, a plurality of medium feeding parts for adjusting temperatures of the battery assembly, at least one temperature detector, a storage unit, and a controller. The storage unit stores a relation between ... | 03/27/2012 |
| 8058835 | Device and method for controlling output of rechargeable battery A controller and method for controlling output of a rechargeable battery that prevents the life span of the rechargeable battery from being shortened while ensuring starting of the engine. The rechargeable battery controller is mounted on a vehicle including an engi... | 11/15/2011 |
| 7456612 | Method for estimating polarization voltage of secondary cell, method and device for estimating remaining capacity of secondary cell, battery pack system, and vehicle There is provided a battery pack system with enhanced estimation accuracies of a polarization voltage and a remaining capacity of a secondary battery. A polarization voltage calculation section 108 calculates a polarization voltage Vpol from a filtered variat... | 11/25/2008 |
| 7404459 | Electric vehicle A positive side main contactor serving as a contact switching device on the positive side, which is connected between a positive electrode terminal of a battery pack and a high potential input terminal of an inverter, and a negative side main contactor serving as a ... | 07/29/2008 |
| 7388351 | Capacity equalizing apparatus for secondary batteries A small and low-cost capacity equalizing apparatus for equalizing the capacities of battery blocks constituting an assembled battery, each battery block comprising one or multiple secondary batteries and the battery blocks being connected in series. The capac... | 06/17/2008 |
| 7355411 | Method and apparatus for estimating state of charge of secondary battery When a power switch portion 10 is in an open state and a charge/discharge path of the secondary battery 100 is in a disconnected state, an electromotive force calculation portion 109 calculates a battery electromotive force Veq by subtracting a ... | 04/08/2008 |
| 7339351 | Method and apparatus for estimating remaining capacity of secondary battery There is provided a battery pack system with estimation accuracy of a remaining capacity of a secondary batter enhanced. A current accumulation coefficient correction section 109 calculates a correction amount α with respect to a current accumulation coeffic... | 03/04/2008 |
| 7319305 | Battery pack apparatus with control section A battery pack apparatus including a battery pack having a plurality of rechargeable batteries arranged in parallel, with a cooling medium passage interposed therebetween, a cooling medium feeding device for feeding a cooling medium through the cooling medium passag... | 01/15/2008 |
| 7297438 | Cooling device for battery pack In a battery pack including a plurality of rechargeable batteries arranged in parallel so as to interpose cooling medium paths therebetween, a cooling medium feeding device for feeding a cooling medium to the cooling medium paths is provided. One end of a heat pipe ... | 11/20/2007 |
| 7242196 | Power supply controller apparatus for detecting welding of contactors A power supply controller apparatus is provided for use in a power supply apparatus including a battery assembly. The power supply controller apparatus includes a controller that controls supplying power to a load from said battery assembly through a capacitor conne... | 07/10/2007 |
| 7230404 | Battery pack apparatus with heat supply and discharge A battery pack apparatus includes a battery pack having multiple rechargeable batteries arranged in parallel and heat medium passages formed therebetween. The battery pack apparatus also includes a heat insulation cover formed of a heat insulation material that cove... | 06/12/2007 |
| 7193394 | Method of controlling charge and discharge of secondary battery for automatic guided vehicle To provide a method of controlling charge and discharge of a secondary battery for automatic guided vehicle that can decide the timing of refresh charge and discharge accurately and minimize the frequency of refresh charge and discharge. The method of controlling ch... | 03/20/2007 |
| 7125268 | Power source device In a power source device including a battery pack, a safety switch is provided between a given pair of battery modules connected to each other. The safety switch connects and disconnects those battery modules by insertion and removal of a safety plug to/form a switc... | 10/24/2006 |
| 7026792 | Apparatus and method for controlling output of secondary battery, battery pack system, and electric vehicle There is provided a battery pack system that allows an output limit during short-time discharging and long-time discharging of a secondary battery, and limits the output appropriately upon request of a vehicle. An output limiting section 104 is provided for c... | 04/11/2006 |
| 7019488 | Battery power source device of electric power vehicle Communication is provided for each of battery ECUs so that the battery ECUs are connected through a connection cable to communicate with each other. Operating power is constantly supplied to the battery ECU used as a master while being supplied to the battery ECUs u... | 03/28/2006 |
| 6919707 | Battery power source device, method for controlling the same, and method for providing address A method for controlling and addressing a battery power source device having a plurality of battery pack systems connected in parallel or serially in parallel, each battery pack system having a battery pack block and a battery ECU connected thereto, is provided. The... | 07/19/2005 |
| 6919726 | Leakage detection apparatus and motor car A leakage detection apparatus is provided, capable of performing high-speed leakage detection during startup of a motor-vehicle such as an HEV. The apparatus includes a signal generator 31 for generating a signal whose frequency is set variably, a resistor | 07/19/2005 |
| 6903534 | Method and apparatus for controlling cooling and detecting abnormality in battery pack system When an SOC difference between battery pack blocks exceeds a threshold, or a temperature difference between the battery pack blocks exceeds a threshold, a control section changes cooling modes and cooling control maps for cooling fans of respective battery pack bloc... | 06/07/2005 |
| 6841291 | Method and apparatus for detecting abnormality in battery pack system A battery pack system is composed of a plurality of battery pack blocks, each of which is constituted by connecting a plurality of cells in series, that are connected with one another by a combination of serial connection and parallel connection. The battery pack bl... | 01/11/2005 |
| 6828798 | Method for inspecting relay contacts for contact weld in battery power source device A method for inspecting relay open/close contacts for a contact weld is provided, each relay open/close contact being connected serially to each of a plurality of battery pack blocks. Battery ECUs for controlling the operating condition of each of the battery pack b... | 12/07/2004 |
| 6762590 | Battery power source device and current detection method therefor A plurality of battery pack blocks connected in series-parallel have their operation states monitored by battery ECUs, respectively based on detected voltage, current, and temperature. Detection outputs by current sensors provided at the charge/discharge circuits of... | 07/13/2004 |
