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9035612 Method for transferring energy between at least two energy storage cells in a controllable energy store  
In a method for transferring energy between at least two energy storage cells in a controllable energy store that serves to control and to supply electrical energy to an n-phase electric machine,...
9035608 Electric motor assembly rechargeable from an electrical mains system, and dedicated connection housing  
An electric motor assembly includes a multi-phase electric motor, a battery of accumulators, an inverter configured to convert the direct current of the battery into multi-phase alternating...
8987927 Construction machine  
A charge and discharge control unit (41) sets an upper-limit charge and discharge electric power as an upper limit of electric power during charging and discharging of a electric storage device...
8957635 Emergency power generating source for mobile devices  
Various portable electronic devices are respectively equipped so that manually provided mechanical energy is converted into electrical energy and stored therein. The stored electrical energy can...
8937401 Vehicle with drive system providing reduced emissions  
In accordance with exemplary embodiments, a drive system is provided for an electric or hybrid electric vehicle that provides reduces electromagnetic emissions. The system includes, but is not...
8917058 Battery charging control system  
An object of the invention is to make the charging power as high as possible in a battery charging control system for selectively charging a plurality of batteries having different voltages with...
8878541 Battery voltage monitoring circuit  
A battery voltage monitoring circuit includes a first power supply terminal to be connected to the positive terminal of a battery pack having rechargeable cells connected in series; a first supply...
8866443 Lead acid storage battery and lead acid storage battery system for natural energy utilization system  
The life of a lead acid storage battery is extended by changing an over-frequency equalized charge interval performed on a lead acid storage battery, in accordance with a transition situation of a...
8823486 Antitheft system of charger for electric vehicle  
An antitheft system of a charger for an electric vehicle that prevents theft of a charger during charging a battery of the electric vehicle is disclosed. More specifically, a first signal...
8792849 Near field radio communication apparatus and mobile radio terminal  
According to one embodiment, a near field radio communication apparatus, as described in embodiments, comprises a signal receiving unit configured to convert a radio signal into an electric signal...
8749199 Method and apparatus for charging an electric vehicle from a streetlight  
Streetlights along streets and in parking lots are often suitably located for a vehicle to park in immediate proximity. An electric vehicle charging system and method allows the power supply...
8664783 Methods and systems for engine starting  
A system for improving engine starting is disclosed. In one example, an engine starting is improved by providing a predictable load to the engine during engine starting. The predictable load may...
8629679 Circuits and methods for measuring cell voltages in battery packs  
A circuit used to measure cell voltages in a battery pack can include a cell voltage level shifter, a sense block, and a compensation current generator. The cell voltage level shifter selects a...
8581550 Method and apparatus for identifying types of energy sources used to charge a battery  
A method and apparatus for identifying different types of energy sources used to charge a battery by receiving energy from at least one of the different types of energy sources at input terminals,...
8577425 Automatic recharging wireless headset  
A wireless headset has a body, an ear clip, and at least two devices for converting at least two different sources of energy into electrical power. The body includes an RF integrated circuit in...
8552588 Battery charging coaction and output system with current limit supply  
The present invention relates to a power system utilizing an engine generator or public power with AC source, wherein the power system particularly has the characteristics that the maximum output...
8502502 Electricity storing device and electronic device  
An electricity storing device includes a high-voltage terminal, a low-voltage terminal, a plurality of rechargeable battery modules, a plurality of first switches each coupled between one...
8482229 Controlling method of switches of switching arms, notably for charging accumulation means, and corresponding charging device  
The present invention relates to a method for charging accumulation means via an external electrical network via at least a first (A) and a second (B) switching arm respectively comprising two...
8466653 Battery charger  
In a battery charger, the rectifier includes rectifying elements provided for respective three phases. The rectifier supplies, for the respective phases, currents for rectifying three-phase AC...
8421420 Battery charger and battery charging method  
A rectification processor includes rectifier elements that control charge to batteries independently for each of the batteries. A charge-state detector detects charge states of the batteries from...
8350528 Battery pack and balancing method of battery cells  
A balancing method for a battery pack includes balancing battery cells near an end of discharge. A deep discharge of the battery cells can be prevented without using an overdischarge control unit....
8344550 Power conversion control with energy storage  
A power generation system includes a renewable power source for producing source power; a source side converter for converting the source power to converted DC power; a source side controller for...
8340731 Automatic recharging wireless headset  
A wireless headset has a body, an ear clip, and at least two devices for converting at least two different sources of energy into electrical power. The body includes an RF integrated circuit in...
8306692 Input/output control device for secondary battery and vehicle  
An input/output control device for a secondary battery mounted on a vehicle includes a current estimating unit estimating a battery current input to or output from the secondary battery based on...
8207699 Method and apparatus for AC motor control  
An alternating current motor control system constituted of: a control unit; a cycloconverter functionality; a phase control functionality; and a semiconductor switching unit comprising a plurality...
8188712 Power supply controller and mechanical apparatus using the same  
There is a need for improving switching regulator characteristics and providing a stable power supply controller. The power supply controller uses a battery and either or both functions of...
8183820 Power processing systems and methods for use in plug-in electric vehicles  
Embodiments include a power processing system and methods of its operation in a plug-in electric vehicle. The power processing system includes at least one AC electric motor, a bi-directional...
8160655 Automatic recharging wireless headset  
A wireless headset has a body, an ear clip, and at least two devices for converting at least two different sources of energy into electrical power. The body includes an RF integrated circuit in...
8120209 Voltage sensing device for an individual cell of a group of battery cells  
A voltage sensing device with which high-precision voltage sensing is possible without the need to obtain a unique correction constant for each device. A pair of voltage input nodes NCk and NCk-1...
8089246 Computer system and wireless device holder thereof  
A computer system includes a wireless device to generate wireless signals, a computer comprising a chassis and a motherboard, and a wireless device holder positioned on the chassis to accommodate...
8040105 Emergency power generating source for mobile devices  
Various portable electronic devices are respectively equipped so that manually provided mechanical energy is converted into electrical energy and stored there in. The stored electrical energy can...
7990105 Power supply device for a vehicle  
A high voltage power supply device has a plurality of battery modules connected to each other in series by coupling a safety plug unit to a safety plug unit connecting base to output a series...
7986053 24-volt engine start-up system  
An engine start-up system is disclosed. The engine start-up system has a 24-volt starter motor configured to crank the engine. The engine start-up system also has an energy source configured to...
7791310 Vehicle electrical system including battery state of charge detection on the positive terminal of the battery  
In a vehicle electrical system powered by a battery for supplying a plurality of loads, an integrated module is provided between the positive terminal of the battery and the loads, and the...
7782015 Electric power system  
A system and method produces electrical power for a load. First and second battery banks are provided, as is an inverter bank, which produces three phase. A switch alternately connects one of the...
7755258 Charging device and circuit utilized to charge battery of portable electronic device including spiral spring to store energy created by pendulum during motion of portable electronic device  
The present invention discloses a charging device for a portable electronic product with a charging circuit, including: a mechanical energy collecting device configured on a main body of the...
7719145 Enhanced internal electrical generators  
Enhanced internal electrical generators are provided which include pole pieces that form air gaps flanked with conductive wire coils. Rotatable armatures supporting permanent magnets are arranged...
7705556 Vehicle control system capable of controlling electric-power generation state of vehicle alternator  
A vehicle control system has a battery, a vehicle alternator for charging the battery, a vehicle-alternator control device capable of controlling the vehicle alternator, and a battery current...
7679337 Power supply system  
A limit value of an output current of power converter is defined as a first current value when a voltage at both ends of capacitor is higher than a voltage at both ends of battery, and a limit...
7626354 Hybrid vehicle equipped with a variable voltage battery  
To protect the inverters and motor generators from damage caused by abnormal currents resulting from the sudden changes in voltage that occur when changing the battery voltage. A vehicle equipped...
7626365 Charging system and method  
The invention concerns a method (200) and system (100) for charging a battery (110). The method includes the steps of receiving (212) an input power supply signal (300), monitoring (216) the input...
7605563 Charging circuit and charger using the same  
A charging circuit includes a generator, a step-down circuit for reducing an output voltage of the generator to a predetermined voltage, a current controller for controlling a charging current...
7570011 Battery charger  
A charger including a power supply connectable to an outside power source, first and second battery power sources connected to the power supply for providing power to a battery pack, and a...
7560904 Method and system of managing power distribution in switch based circuits  
Method and systems of managing power distribution in switch based circuits. The method and system including a number of switches for controlling power distribution. The method and system further...
7541784 Dual voltage switching in power generation  
A system and method for switching from one voltage to another voltage are disclosed. The system relates to an induction generator or motor that switches between a first voltage and a second...
7485992 Armature type electrical generators for self powered cell phones  
Self powered cell phones are provided with an armature which is supported to freely oscillate in swinging opposite motions and which includes a wire coil configured to intersect the magnetic flux...
7482718 Enhanced internal electrical generator powered by hand-crank  
Enhanced internal electrical generators are provided which include pole pieces that form air gaps flanked with conductive wire coils. Rotatable armatures supporting permanent magnets are arranged...
7471069 Voltage generator device, motor vehicle, control method for the voltage generator device, control method for the motor vehicle, and computer-readable recording medium storing program for causing computer to execute the control method  
A voltage raising device that provisionally maintains an operation and function when there is an abnormality provided. If a battery voltage drops when an engine is restarted after an idle stop,...
7471064 Circuit system for a battery electronic control unit  
A battery ECU controls a main battery composed of a plurality of battery cells connected to each other in series. The battery cells are grouped into cell blocks each having a cell-block monitor...
7288919 Voltage balance circuit, voltage detective circuit, voltage balancing method, and voltage detecting method  
When a control section (39) turns on a switch (31, 33, 35), a capacitor (37) is connected to a secondary battery (B1) in parallel. Accordingly, voltage between both ends of each capacitor (37, 38)...

Matches 1 - 50 out of 210 1 2 3 4 5 >