Matches 1 - 37 out of 37


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8988047 Method of charging an electrochemical cell  
A method of pulse charging a secondary electrochemical storage cell is provided. The secondary cell includes a negative electrode comprising an alkaline metal; a positive electrode comprising at...
8927125 Quenching system  
A quencher for a flow cell battery is described. The quencher utilizes a quench solution formed from FeCl2 in a dilute HCl solution in order to quench chlorine emissions from the flow cell...
8847785 Method and apparatus for reducing battery passivation in a meter-reading module  
The teachings herein disclose a method and apparatus for preventing excessive battery passivation in an electronic meter-reading module. The module operates in a low-power state most of the time....
8541121 Quenching system  
A quencher for a flow cell battery is described. The quencher utilizes a quench solution formed from FeCl2 in a dilute HCl solution in order to quench chlorine emissions from the flow cell...
8513912 Power supply circuit  
A power supply circuit for protecting a battery from current leakage when the battery is not in use includes a control signal input circuit and a switch circuit. The control signal input circuit...
8384319 Systems and methods for controlling an inertia of a synchronous condenser  
Systems and methods for controlling an inertia of a synchronous condenser are described. An example system may include a motor, bidirectional power source, and at least one control device. The...
8294414 Recharging device with voltage detection for an alkaline primary cell  
A recharging device with voltage detection for an alkaline primary cell includes an oscillating unit that generates a pulse signal from an input power to charge the alkaline primary cell. The...
8283886 Charging device for battery  
A charging device for charging primary cells includes a transforming rectifying unit, a voltage current processing unit, a microprocessor, an agitating unit, a detecting unit and a display unit....
7612523 Method of recovering voltage of a primary cell and its device  
A method of recovering voltage of a primary cell and its device. The method of steps of reading a cell to obtain start voltage, capacitance and number of the cells to be recovered, of imposing...
7576512 Secondary battery charging system capable of preventing drop of charged electric power  
A secondary battery charging system, mounted on a vehicle having an internal combustion engine, has a secondary battery, a fuel cell, a fuel storage unit, and a fuel supply controller. In order to...
7432684 Mobile equipment with electric power supply control function  
An apparatus for controlling the supply of electric power to mobile equipment has a battery checker that checks a remaining battery-level of at least one of plural batteries including main...
7199553 Battery pack apparatus and cooling device thereof  
A battery pack apparatus is configured with a battery pack composed of a plurality of rechargeable batteries arranged in parallel with cooling medium passages formed therebetween, and a cross flow...
6804098 Charge/discharge protection circuit for a rechargeable battery  
The invention refers to a charge/discharge protection circuit for a rechargeable battery being able to differentiate between a temporary overvoltage on the charge/discharge terminals and a...
6744234 Preliminary charging state apparatus, program and method  
The present invention provides an electrical apparatus, program and method for a user to display a preliminary charging state in a battery. In one aspect, the present invention provides an...
6242886 Apparatus and method for automatic recovery of sulfated lead acid batteries  
Apparatus and method for automatic recovery of sulfated lead acid batteries rely on monitoring battery voltage, current and internal resistance during battery charging. The lead acid battery is...
6184649 Power converter with desulfation mode  
A power converter supplies a charging current to a rechargeable battery responsive to a control module. The control module includes a microcontroller, a memory coupled to the microcontroller and...
6184650 Apparatus for charging and desulfating lead-acid batteries  
Apparatus for charging and desulfating lead-acid batteries provides a DC electrical charging current to the battery terminals to charge the battery to a fully charged voltage during a bulk charge...
5963008 Method and apparatus for electroacoustic battery sonication  
Electroacoustic battery sonication rehabilitates a battery by decreasing metallic shorting across battery elements through sonication. Sonication may be produced by application of an electrical...
5932988 Apparatus and methods for manufacturing electrodes  
Electrodes are cured through application of modulated electrical signals. In preferred embodiments the signal comprises pulsed currents, and in particularly preferred embodiments the signal...
RE35643 Lead acid battery rejuvenator and charger  
An electrical power source, either AC or DC, lead acid battery rejuvenator and charger circuit switchable between rejuvenator and charger modes of operation. For the rejuvenator mode of operation...
5677612 Lead-acid battery desulfator/rejuvenator  
A lead-acid (SLI) battery desulfator which is powered by the batteries wh it is conditioning when a motor associated with the batteries is off. The desulfator activates whenever an alternator...
5646505 Method of charging a battery using asymmetrical current  
A method of charging a discharged battery by creating a level direct current carrier and a riding alternating current charging vector which rides on the level direct current, the alternating...
5617002 Method of and apparatus for charging nonaqueous electrolytic battery  
A charging method of and a charging apparatus for charging a nonaqueous electrolytic battery such as a lithium primary battery including a positive pole active material, negative pole active...
5523667 Alkaline battery charger and method of operating same  
Apparatus and methods for recharging various types of battery cells are enclosed involving alternating periods of charging and discharging of the cells, a reference charge cut-off voltage, a...
5493196 Battery charger for charging alkaline zinc/manganese dioxide cells  
A battery charger for charging alkaline zinc/manganese dioxide cells is disclosed.The battery charger contains means for producing a direct current voltage at 25 degrees centigrade of from about...
5463304 Life extending circuit for storage batteries  
A low cost, relatively inexpensive and highly reliable tuned resonant circuit and method for prolonging the life of storage batteries of the type that contain a liquid electrolyte and are exposed...
5105142 Cell discharging circuit for a fuel cell  
A discharging circuit can be made compact by forming a discharging path for the fuel cell via a fixed resistor. Even if the operation of a fuel cell is interrupted and/or a control power source...
4644244 Battery conditioner  
A depolarizing device conditioning for small batteries includes an open ended housing for receiving and holding a large battery to be used as a source of depolarizing current, a carrier, for...
4629963 Dry cell battery re-activator  
A dry cell battery re-activator comprising means for producing uni-directional pulses and inductive coupling means whereby the pulses are applied to a closed circuit comprising an inductive...
4394741 Battery monitoring system  
A microprocessor based electric vehicle traction battery monitoring system evaluates the state of charge, interfaces with a traction motor control system, and controls recharging. The state of...
3700999 AUTOMATIC BATTERY POLARIZING CIRCUIT  
Disclosed is and automatic battery polarizing circuit employing transistors n the arms of a bridge circuit configuration wherein the transistors are operative to couple a battery connected to the...
3435318 SAFETY BATTERY CHARGER  
3354373 Fixture for use during the polarization of an electret  
2935675 Method for reactivating storage batteries  
2869064 Apparatus and method for enhancing the characteristics of dry cell batteries  
2782357 6-12 volt battery tester  
2780766 Dry cell reconditioning device  

Matches 1 - 37 out of 37