Patent application number | Description | Published |
20090087729 | LITHIUM-BASED BATTERY PACK FOR A HAND HELD POWER TOOL - A method for conducting an operation including a power tool battery pack. The battery pack can include a housing, a first cell supported by the housing and having a voltage, and a second cell supported by the housing and having a voltage. The battery pack also can be connectable to a power tool and be operable to supply power to operate the power tool. The method can include discharging one of the first cell and the second cell until the voltage of the one of the first cell and the second cell is substantially equal to the voltage of the other of the first cell and the second cell. | 04-02-2009 |
20090153101 | METHOD AND SYSTEM FOR CHARGING MULTI-CELL LITHIUM-BASED BATTERIES - A method and system for charging multi-cell lithium-based batteries. In some aspects, a battery charger includes a housing, at least one terminal to electrically connect to a battery pack supported by the housing, and a controller operable to provide a charging current to the battery pack through the at least one terminal. The battery pack includes a plurality of lithium-based battery cells, with each battery cell of the plurality of battery cells having an individual state of charge. The controller is operable to control the charging current being supplied to the battery pack at least in part based on the individual state of charge of at least one battery cell. | 06-18-2009 |
20090195216 | METHOD AND SYSTEM FOR PROTECTION OF A LITHIUM-BASED MULTICELL BATTERY PACK INCLUDING A HEAT SINK - A system and method for battery protection. In some aspects, a battery pack includes a housing, a cell supported by the housing, a circuit supported by the housing and operable to control a function of the battery pack, and a heat sink in heat transfer relationship with the circuit and operable to dissipate heat from the circuit. | 08-06-2009 |
20090197152 | METHOD AND SYSTEM FOR BATTERY PROTECTION - A method and system for battery protection. In some aspects, a battery pack configured to be interfaced with a power tool includes a housing, a cell, a controller, and a circuit. The circuit is operable to enable the controller to operate when the voltage supplied by the cell to the controller is below an operating voltage threshold of the controller. | 08-06-2009 |
20100148729 | BATTERY PACK - A system and method for battery protection. In some aspects, a battery pack includes a housing, a cell supported by the housing, a circuit supported by the housing and operable to control a function of the battery pack, and a heat sink in heat transfer relationship with the circuit and operable to dissipate heat from the circuit. | 06-17-2010 |
20100167110 | METHOD AND SYSTEM FOR BATTERY PROTECTION - A battery pack. The battery pack includes a housing, a plurality of terminals, a plurality of lithium-based battery cells, and a controller. The plurality of terminals electrically connect to an electrical device. The electrical device is able to support the battery pack. Each of the plurality of battery cells are individually tapped and have an individual state of charge. The plurality of terminals includes a sense terminal. The controller is operable to monitor a characteristic of each of the plurality of battery cells and to communicate the monitored characteristic of each of the plurality of battery cells to the electrical device via the sense terminal. | 07-01-2010 |
20100250043 | REFUELABLE BATTERY-POWERED ELECTRIC VEHICLE - The electrical vehicle energy storage system permits the electric refueling of the electric vehicle just like an automobile would be refueled with gasoline at a gas station. Circuitry on board the vehicle accessible by the electric refueling station enables the determination of the energy content of the battery module or modules returned to the electric refueling station and the owner of the vehicle is given credit for the energy remaining in the battery module or modules which have been exchanged. Selective refueling may take place for given battery modules by removing them from the battery system and charging them at home, office or factory. A process for operating an electric vehicle is also disclosed and claimed. | 09-30-2010 |
20100327815 | BATTERY PACK - A system and method for battery protection. In some aspects, a battery pack includes a housing, a cell supported by the housing, a circuit supported by a flexible circuit board. The circuit is operable to control a function of the battery pack. | 12-30-2010 |
20110014501 | FAIL SAFE SERVICEABLE HIGH VOLTAGE BATTERY PACK - A fail safe battery pack is disclosed and claimed wherein first and second housings are affixed together. A plurality of battery cells reside within and fixedly engage the first and the second housings. First and second. printed circuit boards (PCBs) reside within first and second lattice structures of the first and second housings. A variable bias device resides in the first and/or second lattice structure of the first and second housing and engages the first and/or second PCBs. When the bias of the variable bias device is sufficiently large it overcomes a plurality of fixed mechanically biased devices operating between the PCB and the plurality of battery cells and tending to separate same and causes the PCB to electrically communicate with the plurality of battery cells. When the bias of the variable bias device is sufficiently small, the plurality of fixed mechanically biased devices separates the PCB and the plurality of battery cells rendering the battery cells in an electrically safe condition. | 01-20-2011 |
20110064981 | SCALABLE INTELLIGENT POWER SUPPLY SYSTEM AND METHOD - A scalable intelligent power-supply system and method capable of powering a defined load for a specified period of time is disclosed and claimed. Multiple external AC and DC inputs supply power to the system if available and required. An internal DC input from a back-up energy source is on board. The back-up energy source is scalable by adding additional energy cartridges such as batteries in racks mounted within frames of the system. The AC and DC inputs (including the internal DC input) are controlled, measured, sensed, and converted by circuitry controlled by the microprocessor into multiple AC and/or DC outputs. A microprocessor manages power input to, within, and output from the system. The performance of a Lithium-ion batteries used to power an automobile can be determined on the basis individual battery packs or individual battery cells within the packs. This enables the clusters or groups of Lithium ion batteries to be used in a vehicle such that these clusters operate and function as a “gas” tank or more appropriately as an “energy” tank. | 03-17-2011 |
20110114350 | LITHIUM-BASED BATTERY PACK FOR A HAND HELD POWER TOOL - A method for conducting an operation including a power tool battery pack. The battery pack can include a housing, a first cell supported by the housing and having a voltage, and a second cell supported by the housing and having a voltage. The battery pack also can be connectable to a power tool and be operable to supply power to operate the power tool. The method can include discharging one of the first cell and the second cell until the voltage of the one of the first cell and the second cell is substantially equal to the voltage of the other of the first cell and the second cell. | 05-19-2011 |
20110214896 | LITHIUM-BASED BATTERY PACK FOR A HAND HELD POWER TOOL - A method for conducting an operation including a power tool battery pack. The battery pack can include a housing, a first cell supported by the housing and having a voltage, and a second cell supported by the housing and having a voltage. The battery pack also can be connectable to a power tool and be operable to supply power to operate the power tool. The method can include discharging one of the first cell and the second cell until the voltage of the one of the first cell and the second cell is substantially equal to the voltage of the other of the first cell and the second cell. | 09-08-2011 |
20110215767 | BATTERY PACK - A system and method for battery protection. In some aspects, a battery pack includes a housing, a cell supported by the housing, a circuit supported by a flexible circuit board. The circuit is operable to control a function of the battery pack. | 09-08-2011 |
20110221384 | REFUELABLE BATTERY-POWERED ELECTRIC VEHICLE - The electrical vehicle energy storage system permits the electric refueling of the electric vehicle just like an automobile would be refueled with gasoline at a gas station. Circuitry on board the vehicle accessible by the electric refueling station enables the determination of the energy content of the battery module or modules returned to the electric refueling station and the owner of the vehicle is given credit for the energy remaining in the battery module or modules which have been exchanged. Selective refueling may take place for given battery modules by removing them from the battery system and charging them at home, office or factory. A process for operating an electric vehicle is also disclosed and claimed. | 09-15-2011 |
20110297411 | LITHIUM-BASED BATTERY PACK FOR A HAND HELD POWER TOOL - A method for conducting an operation including a power tool battery pack. The battery pack can include a housing, a first cell supported by the housing and having a voltage, and a second cell supported by the housing and having a voltage. The battery pack also can be connectable to a power tool and be operable to supply power to operate the power tool. The method can include discharging one of the first cell and the second cell until the voltage of the one of the first cell and the second cell is substantially equal to the voltage of the other of the first cell and the second cell. | 12-08-2011 |
20120001596 | METHOD AND SYSTEM FOR CHARGING MULTI-CELL LITHIUM-BASED BATTERIES - A method and system for charging multi-cell lithium-based batteries. In some aspects, a battery charger includes a housing, at least one terminal to electrically connect to a battery pack supported by the housing, and a controller operable to provide a charging current to the battery pack through the at least one terminal. The battery pack includes a plurality of lithium-based battery cells, with each battery cell of the plurality of battery cells having an individual state of charge. The controller is operable to control the charging current being supplied to the battery pack at least in part based on the individual state of charge of at least one battery cell. | 01-05-2012 |
20120074902 | SCALABLE INTELLIGENT POWER SUPPLY SYSTEM AND METHOD - A scalable intelligent power-supply system and method capable of powering a defined load for a specified period of time is disclosed and claimed. Multiple external AC and DC inputs supply power to the system if available and required. An internal DC input from a back-up energy source is on board. The back-up energy source is scalable by adding additional energy cartridges such as batteries in racks mounted within frames of the system. The AC and DC inputs (including the internal DC input) are controlled, measured, sensed, and converted by circuitry controlled by the microprocessor into multiple AC and/or DC outputs. A microprocessor manages power input to, within, and output from the system. The performance of a Lithium-ion batteries used to power an automobile can be determined on the basis individual battery packs or individual battery cells within the packs. | 03-29-2012 |
20120080941 | SCALABLE INTELLIGENT POWER SUPPLY SYSTEM AND METHOD - A scalable intelligent power-supply system and method capable of powering a defined load for a specified period of time is disclosed and claimed. Multiple external AC and DC inputs supply power to the system if available and required. An internal DC input from a back-up energy source is on board. The back-up energy source is scalable by adding additional energy cartridges such as batteries in racks mounted within frames of the system. The AC and DC inputs (including the internal DC input) are controlled, measured, sensed, and converted by circuitry controlled by the microprocessor into multiple AC and/or DC outputs. A microprocessor manages power input to, within, and output from the system. The performance of a Lithium-ion batteries used to power an automobile can be determined on the basis individual battery packs or individual battery cells within the packs. | 04-05-2012 |
20120301764 | LITHIUM-BASED BATTERY PACK FOR A HAND HELD POWER TOOL - A method for conducting an operation including a power tool battery pack. The battery pack can include a housing, a first cell supported by the housing and having a voltage, and a second cell supported by the housing and having a voltage. The battery pack also can be connectable to a power tool and be operable to supply power to operate the power tool. The method can include discharging one of the first cell and the second cell until the voltage of the one of the first cell and the second cell is substantially equal to the voltage of the other of the first cell and the second cell. | 11-29-2012 |
20130031958 | NETWORK MANAGEABLE ADVANCED GAS SENSOR APPARATUS AND METHOD - Mechanical, electronic, algorithmic, and computer network facets are combined to create a highly integrated advanced gas sensor. A sensor is integrated into switchgear housings. These sensors integrated into high voltage switchgear products, deployed by electric utility end users in replacement and expansion cycles, function to detect and mitigate atmospheric pollution caused by leaking SF | 02-07-2013 |
20130224527 | BATTERY PACK - A battery pack operable to provide power to a hand-held power tool, the battery pack including a housing connectable to and supportable by the hand-held power tool; a terminal for electrically connecting the battery pack to the hand-held power tool; a cylindrical first battery cell within the housing and defining a first axis; a cylindrical second battery cell within the housing and defining a second axis; and a cylindrical third battery cell within the housing and defining a third axis. The second battery cell and the third battery cell may be arranged with the second axis and the third axis in a common plane, and the first battery cell may be arranged with the first axis non-parallel to the common plane. | 08-29-2013 |
20130224528 | BATTERY PACK - A battery pack including a housing connectable to and supportable by a hand-held power tool; a first battery cell defining a first axis and having opposite first cell ends; a second battery cell defining a second axis and having opposite second cell ends; a third battery cell defining a third axis; and a terminal for electrically connecting the battery pack to the hand-held power tool. The second battery cell and the third battery cell may be arranged with the second axis and the third axis in a common plane, the first battery cell may be arranged with the first axis non-parallel to the common plane and have one remote first cell end. The terminal may be supported on the housing, in the direction of the first axis, between the one first cell end and the common plane and, in a direction of the second axis, between the second cell ends. | 08-29-2013 |
20130241499 | BATTERY PACK - An electrical combination. The electrical combination comprises a battery pack configured to be interfaced with a hand held power tool, a control component, and a semiconducting switch. The transfer of power from the battery pack to the hand held power tool is controlled by the control component and the switch based on one of a battery pack state of charge and a respective state of charge of one of a plurality of battery cells. A discharge current of the battery pack is regulated based on the switch being controlled into one of a first state and a second state by the control component to selectively enable the transfer power from the plurality of battery cells to the hand held power tool. | 09-19-2013 |
20130244070 | METHOD AND SYSTEM FOR BATTERY PROTECTION - An electrical combination. The combination comprises a hand held power tool, a battery pack and a controller. The battery pack includes a battery pack housing connectable to and supportable by the hand held power tool, a plurality of battery cells supported by the battery pack housing, each of the plurality of battery cells having a lithium-based chemistry, being individually tapped and having an individual state of charge. A communication path is provided by a battery pack sense terminal and a power tool sense terminal. The controller is operable to monitor a state of charge of a number of battery cells less than the plurality of battery cells and to generate a signal based on the monitored state of charge of the number of battery cells less than the plurality of battery cells, the signal being operable to control the operation of the hand held power tool. | 09-19-2013 |
20130335012 | METHOD AND SYSTEM FOR CHARGING MULTI-CELL LITHIUM-BASED BATTERY PACKS - A method and system for charging multi-cell lithium-based batteries. In some aspects, a battery charger includes a housing, at least one terminal to electrically connect to a battery pack supported by the housing, and a controller operable to provide a charging current to the battery pack through the at least one terminal. The battery pack includes a plurality of lithium-based battery cells, with each battery cell of the plurality of battery cells having an individual state of charge. The controller is operable to control the charging current being supplied to the battery pack at least in part based on the individual state of charge of at least one battery cell. | 12-19-2013 |
20140091771 | LITHIUM-BASED BATTERY PACK FOR A HAND HELD POWER TOOL - A method for conducting an operation including a power tool battery pack. The battery pack can include a housing, a first cell supported by the housing and having a voltage, and a second cell supported by the housing and having a voltage. The battery pack also can be connectable to a power tool and be operable to supply power to operate the power tool. The method can include discharging one of the first cell and the second cell until the voltage of the one of the first cell and the second cell is substantially equal to the voltage of the other of the first cell and the second cell. | 04-03-2014 |
20140145668 | TRANSPORTABLE POWER PLANT APPARATUS AND METHOD - Mechanical, electronic, and business method facets are combined to create a highly integrated transportable power plant. A vehicle system incorporates and transports and electrical system capable of using alternating current and direct current electrical power inputs to charge onboard energy storage modules. The electrical system also provides alternating current and direct current electrical outputs via a bank of interoperable connectors whereby appliances such as cell phones and battery operating lighting products may be efficiently recharged. An enclosure of the vehicle system protects the electrical components, provides shelter for the operator, supports roof-mounted, flexible photovoltaic panels, and provides shelf surfaces for organizing and protecting devices being recharged. | 05-29-2014 |
20140159507 | BATTERY PACK - An electrical combination. The electrical combination comprises a battery pack configured to be interfaced with a hand held power tool, a control component, and a semiconducting switch. The transfer of power from the battery pack to the hand held power tool is controlled by the control component and the switch based on one of a battery pack state of charge and a respective state of charge of one of a plurality of battery cells. A discharge current of the battery pack is regulated based on the switch being controlled into one of a first state and a second state by the control component to selectively enable the transfer power from the plurality of battery cells to the hand held power tool. | 06-12-2014 |
20140312845 | REFUELABLE BATTERY POWERED ELECTRIC VEHICLE - The electrical vehicle energy storage system permits the electric refueling of the electric vehicle just like an automobile would be refueled with gasoline at a gas station. Circuitry on board the vehicle accessible by the electric refueling station enables the determination of the energy content of the battery module or modules returned to the electric refueling station and the owner of the vehicle is given credit for the energy remaining in the battery module or modules which have been exchanged. Selective refueling may take place for given battery modules by removing them from the battery system and charging them at home, office or factory. A process for operating an electric vehicle is also disclosed and claimed. | 10-23-2014 |
20150044518 | SERVICEABLE BATTERY PACK - A fail safe battery pack is disclosed and claimed wherein first and second housings are affixed together. A plurality of battery cells reside within and fixedly engage the first and the second housings. First and second printed circuit boards (PCBs) reside within first and second lattice structures of the first and second housings. A variable bias device resides in the first and/or second lattice structure of the first and second housing and engages the first and/or second PCBs. When the bias of the variable bias device is sufficiently large it overcomes a plurality of fixed mechanically biased devices operating between the PCB and the plurality of battery cells and tending to separate same and causes the PCB to electrically communicate with the plurality of battery cells. When the bias of the variable bias device is sufficiently small, the plurality of fixed mechanically biased devices separates the PCB and the plurality of battery cells rendering the battery cells in an electrically safe condition. | 02-12-2015 |