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40767results about "Electric vehicle charging technology" patented technology
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Electric wheeled apparatus
ActiveUS8851215B2Increase the output voltageLarge capacityMowersTilling equipmentsElectricityElectric power system
Owner:MAKITA CORP
Apparatus and method of compensating for motor velocity of fuel cell vehicle
ActiveUS9233610B2Improve stabilityImprove reliabilitySpeed controllerElectric devicesData controlFuel cells
A method and apparatus that compensates for a velocity of a motor of fuel cell vehicle when a resolver is determined to have failed is provided. In particular, a wheel velocity sensor is configured to detect a wheel velocity of a driving wheel, and an ABS controller is configured to calculate an average wheel velocity and transmit the calculated average to a fuel cell controller (FCU). The FCU is configured to receive information related to the wheel velocity upon detecting that the resolver has failed, and control driving of the motor based on the data related to the wheel velocity so that the motor may maintain operation.
Owner:HYUNDAI MOTOR CO LTD
Smart electric vehicle (EV) charging and grid integration apparatus and methods
ActiveUS9026347B2Increase capacityAdding smartnessAnalogue computers for vehiclesBatteries circuit arrangementsGrid-tie inverterElectrical battery
Owner:RGT UNIV OF CALIFORNIA
Wireless non-radiative energy transfer
The electromagnetic energy transfer device includes a first resonator structure receiving energy from an external power supply. The first resonator structure has a first Q-factor. A second resonator structure is positioned distal from the first resonator structure, and supplies useful working power to an external load. The second resonator structure has a second Q-factor. The distance between the two resonators can be larger than the characteristic size of each resonator. Non-radiative energy transfer between the first resonator structure and the second resonator structure is mediated through coupling of their resonant-field evanescent tails.
Owner:MASSACHUSETTS INST OF TECH
Method and system for monitoring an energy storage system for a vehicle for trip planning
One or more embodiments may include a trip planning system for planning a trip based on the charge of an electric vehicle battery. The trip planning system may include one or more computers located remotely from an electric vehicle which may have one or more battery packs for powering the electric vehicle. The computer(s) may be configured to receive geographic parameters defining a trip and a battery charge status of the one or more electric vehicle battery packs. The computer(s) may be further configured to determine that the trip cannot be completed based on the battery charge status. The computer(s) may additionally be configured to present a battery charge requirement for completing the trip.
Owner:FORD GLOBAL TECH LLC
Method and system for scheduling the discharge of distributed power storage devices and for levelizing dispatch participation
Disclosed is a computerized method for dispatching energy from distributed resources in a discharge event so that the energy stored in individual devices is levelized, or so that an operator request is met. Evaluation of event parameters may be deferred. The method may be utilized to dispatch energy from plug-in electric vehicles. Systems and methods to account for electricity dispatched to or from electric vehicles are disclosed. Systems and methods for incentivizing consumers to participate in a dispatch event or curtail energy use are disclosed.
Owner:GRIDPOINT
Wireless energy transfer systems
ActiveUS20100141042A1Efficient deliveryEfficient energy transferMultiple-port networksNear-field transmissionEnergy transferCondensed matter physics
Owner:WITRICITY CORP
Wireless energy transfer for photovoltaic panels
ActiveUS20120098350A1Reduce cost and complexityMitigate factor drivingMultiple-port networksNear-field transmissionElectric power transmissionEnergy transfer
Described herein are improved configurations for a wireless power transfer involving photovoltaic panels. Described are methods and designs that use electric energy from a photovoltaic module to energize at least one wireless energy source to produce an oscillating magnetic field for wireless energy transfer. The source may be configured and tuned to present an impedance to a photovoltaic module wherein said impedance enables substantial extraction of energy from said photovoltaic module.
Owner:WITRICITY CORP
Wireless energy transfer systems
ActiveUS20100109445A1Efficient deliveryEfficient energy transferMultiple-port networksNear-field transmissionEnergy transferCondensed matter physics
Described herein are improved capabilities for a source resonator having a Q-factor Q1>100 and a characteristic size x1 coupled to an energy source, and a second resonator having a Q-factor Q2>100 and a characteristic size x2 coupled to an energy drain located a distance D from the source resonator, where the source resonator and the second resonator are coupled to exchange energy wirelessly among the source resonator and the second resonator.
Owner:WITRICITY CORP
Remote power recharge for electronic equipment
InactiveUS7068991B2Batteries circuit arrangementsInternal combustion piston enginesElectric power transmissionElectrical conductor
A conductorless charging and power system for electronic appliances and method for communicating power to a power receiver employing wireless energy transmission are disclosed. The remote charging system includes a power transmission unit, which transmits energy as a directional power beam, and a power receiver system that receives the transmitted energy. The power receiver system is preferably incorporated in an appliance and includes an energy receptor capable of receiving the wireless power beam and transferring the energy from the beam to an energy storage device included in the appliance. The power transmission unit receives and tracks a power request signal from the power receiver system to track the power receiver system location during energy transmission. Data streams may be incorporated into the wireless signals of the remote charging system, allowing the remote charging system to function as a communications pathway as well as a power delivery system.
Owner:PARISE RONALD J
Vehicle charger safety system and method
InactiveUS20110074346A1Safety concern can be addressedFix security issuesMultiple-port networksBatteries circuit arrangementsForeign objectSystem identification
Wireless vehicle charger safety systems and methods use a detection subsystem, a notification subsystem and a management subsystem. The detection subsystem identifies a safety condition. The notification subsystem provides an indication of the safety condition. The management subsystem addresses the safety condition. In particular, undesirable thermal conditions caused by foreign objects between a source resonator and a vehicle resonator are addressed by sensing high temperatures, providing a warning and powering down a vehicle charger, as appropriate for the environment in which the charger is deployed.
Owner:WITRICITY CORP
Wireless power transfer within a circuit breaker
InactiveUS20120091820A1Efficient deliveryEfficient energy transferMultiple-port networksCharging stationsElectric forceTransmitted power
A wireless power service panel source includes power and control circuitry that receives power from a wired power connection at a position in a service panel, and generates an electronic drive signal at a frequency, f, and a source magnetic resonator configured to generate an oscillating magnetic field in response to the electronic drive signal, wherein the source magnetic resonator is configured to wirelessly transmit power to sensors in other positions within the service panel.
Owner:WITRICITY CORP
Tunable wireless energy transfer for in-vehicle applications
ActiveUS20120112532A1Efficient deliveryEfficient energy transferMultiple-port networksCharging stationsEnergy transferIn vehicle
A mobile wireless receiver for use with a first electromagnetic resonator coupled to a power supply includes a load associated with an electrically powered system that is disposed interior to a vehicle, and a second electromagnetic resonator configured to be coupled to the load and moveable relative to the first electromagnetic resonator, wherein the second electromagnetic resonator is configured to be wirelessly coupled to the first electromagnetic resonator to provide resonant, non-radiative wireless power to the second electromagnetic resonator from the first electromagnetic resonator; and wherein the second electromagnetic resonator is configured to be tunable during system operation so as to at least one of tune the power provided to the second electromagnetic resonator and tune the power delivered to the load.
Owner:WITRICITY CORP
Protection methods, protection circuits and protective devices for secondary batteries, a power tool, charger and battery pack adapted to provide protection against fault conditions in the battery pack
InactiveUS20050077878A1Primary cell to battery groupingCharge equalisation circuitElectrical batteryEngineering
In a cordless power tool system, protection methods, circuits and devices are provided to protect against fault conditions within a battery pack that is operatively attached to a power tool or charger, so as to prevent internal or external damage to the battery pack or attached tool or charger. The exemplary methods, circuits and devices address fault conditions such as over-charge, over-discharge, over-current, over-temperature, etc.
Owner:BLACK & DECKER INC
Wireless non-radiative energy transfer
ActiveUS20090195333A1Near-field transmissionElectromagnetic wave systemEnergy transferSoftware engineering
Owner:MASSACHUSETTS INST OF TECH
Wireless non-radiative energy transfer
Owner:MASSACHUSETTS INST OF TECH
Wireless energy transfer and continuous radio station signal coexistence
ActiveUS20120153894A1Avoid interferenceLower emission levelsNear-field transmissionBatteries circuit arrangementsEnergy transferTransmitted power
This disclosure provides systems, methods and apparatus for wirelessly transmitting power while avoiding interference with wireless communication devices. In one aspect a wireless power transmitter apparatus is provided. The wireless power transmitter apparatus includes a transmit circuit configured to wirelessly transmit power at a transmit frequency to a first receiver device. The wireless power transmitter apparatus further includes a controller circuit configured to reduce a level of emission of the transmit circuit at a determined frequency during a period of time based on information about an information signal transmitted to a second receiver device substantially at the determined frequency to be received within the period of time.
Owner:WITRICITY CORP
High power wireless resonant energy transfer system
InactiveUS20080265684A1Increase powerImprove distributionBatteries circuit arrangementsRailway vehiclesResonant energyTransfer system
Owner:FARKAS
Non-contact power transmission device
An electromagnetic resonance non-contact power transmission device includes a transmitter including a transmitter resonance element having a mechanism for discretely or continuously varying a resonant frequency, a transmitter excitation element coupled to the transmitter resonance element by electromagnetic induction, and an alternating current source for applying an alternating current at the same frequency as the resonant frequency to the transmitter excitation element, and a plurality of receivers each including a receiver resonance element having a specific resonant frequency, a receiver excitation element coupled to the receiver resonance element by electromagnetic induction, and an output circuit for outputting an electric current induced by the receiver excitation element. Electric power is transmitted selectively from the transmitter to any of the receivers having different specific resonant frequencies by changing the resonant frequency of the transmitter.
Owner:SONY CORP
Tunable wireless power architectures
ActiveUS20130033118A1Tune performanceCharging stationsElectromagnetic wave systemEnergy transferPower Architecture
Described herein are improved configurations for a wireless power transfer. The parameters of components of the wireless energy transfer system are adjusted to control the power delivered to the load at the device. The power output of the source amplifier is controlled to maintain a substantially 50% duty cycle at the rectifier of the device.
Owner:WITRICITY CORP
Method and Apparatus for Actively Managing Electric Power Supply for an Electric Power Grid
ActiveUS20140018969A1Improve grid stabilityLevel controlVolume/mass flow measurementGrid operatorPower grid
Systems and methods for managing power supplied over an electric power grid by an electric utility and / or other market participants to multiplicity of grid elements and devices for supply and / or load curtailment as supply, each of which having a Power Supply Value (PSV) associated with its energy consumption and / or reduction in consumption and / or supply, and wherein messaging is managed through a network by a Coordinator using IP messaging for communication with the grid elements and devices, with the energy management system (EMS), and with the utilities, market participants, and / or grid operators.
Owner:CAUSAM ENERGY INC
Wireless non-radiative energy transfer
The electromagnetic energy transfer device includes a first resonator structure receiving energy from an external power supply. The first resonator structure has a first Q-factor. A second resonator structure is positioned distal from the first resonator structure, and supplies useful working power to an external load. The second resonator structure has a second Q-factor. The distance between the two resonators can be larger than the characteristic size of each resonator. Non-radiative energy transfer between the first resonator structure and the second resonator structure is mediated through coupling of their resonant-field evanescent tails.
Owner:MASSACHUSETTS INST OF TECH
Smart electric vehicle (EV) charging and grid integration apparatus and methods
ActiveUS20130179061A1Increase capacityAdding smartnessAnalogue computers for vehiclesBatteries circuit arrangementsGrid-tie inverterState of charge
An expert system manages a power grid wherein charging stations are connected to the power grid, with electric vehicles connected to the charging stations, whereby the expert system selectively backfills power from connected electric vehicles to the power grid through a grid tie inverter (if present) within the charging stations. In more traditional usage, the expert system allows for electric vehicle charging, coupled with user preferences as to charge time, charge cost, and charging station capabilities, without exceeding the power grid capacity at any point. A robust yet accurate state of charge (SOC) calculation method is also presented, whereby initially an open circuit voltage (OCV) based on sampled battery voltages and currents is calculated, and then the SOC is obtained based on a mapping between a previously measured reference OCV (ROCV) and SOC. The OCV-SOC calculation method accommodates likely any battery type with any current profile.
Owner:RGT UNIV OF CALIFORNIA
Wireless energy transfer for vehicles
InactiveUS20120119698A1Efficient deliveryEfficient energy transferCircuit authenticationMultiple-port networksEnergy transferEngineering
A vehicle powering wireless receiver for use with a first electromagnetic resonator coupled to a power supply. The wireless receiver includes a load configured to power the drive system of a vehicle using electrical power, and a second electromagnetic resonator adapted to be housed upon the vehicle and configured to be coupled to the load, wherein at least one of the first electromagnetic resonator and the second electromagnetic resonator is variable in size, and wherein the second electromagnetic resonator is configured to be wirelessly coupled to the first electromagnetic resonator to provide resonant, non-radiative wireless power to the second electromagnetic resonator from the first electromagnetic resonator.
Owner:WITRICITY CORP
Sender communications for wireless power transfer
A signal generator generates an electrical signal that is sent to an amplifier, which increases the power of the signal using power from a power source. The amplified signal is fed to a sender transducer to generate ultrasonic waves that can be focused and sent to a receiver. The receiver transducer converts the ultrasonic waves back into electrical energy and stores it in an energy storage device, such as a battery, or uses the electrical energy to power a device. In this way, a device can be remotely charged or powered without having to be tethered to an electrical outlet.
Owner:UBEAM
Semiconductor device and power receiving device
InactiveUS20080210762A1Deterioration of with time can be preventedCommunication distanceNear-field transmissionCircuit arrangementsSignal processing circuitsElectrical battery
An object is to provide a semiconductor device that is capable of wireless communication, such as an RFID tag, which can transmit and receive individual information without checking remaining capacity of a battery or changing batteries due to deterioration with time in the battery for a drive power supply voltage, and maintain a favorable a transmission / reception state even when electric power of an electromagnetic wave from a reader / writer is not sufficient. The semiconductor device includes a signal processing circuit, a first antenna circuit connected to the signal processing circuit, an antenna circuit group, a rectifier circuit group and a battery connected to the signal processing circuit. The first antenna circuit transmits and receives a signal for transmitting data stored in the signal processing circuit and drives a power supply circuit, and each antenna circuit of the antenna circuit group receives a signal for charging the battery and includes an antenna which has a different corresponding frequency.
Owner:SEMICON ENERGY LAB CO LTD
Location Based Vehicle Data Logging and Diagnostic System and Method
InactiveUS20110130916A1Easy to identifyVehicle testingRegistering/indicating working of vehiclesData loggerLocation data
A data logging unit configured for installation in a hybrid vehicle communicates with a user device configured to receive data from the data logging unit and to display selected portions of the data to a user for identification of potential vehicle faults associated with vehicle events reported by the vehicle's driver. The data logging unit has a data logger which communicates with hybrid drive system and other vehicle components to receive hybrid drive system data, and with a vehicle position sensor which detects location to receive vehicle location data. A data log processing module correlates location data with the corresponding vehicle data, and creates a correlated log of drive system data and associated vehicle location information, to allow identification of vehicle data within an event window based on vehicle location at the time of a reported event. Accordingly, a user may make a geographical request and the system will report vehicle data corresponding to the geographical request.
Owner:SHEPPARD MULLIN RICHTER & HAMPTON
Power line sentry charging
A rechargeable battery energized unmanned aerial vehicle having surveillance capability and an ability to clandestinely collect propulsion and other energy needs from a conveniently located and possibly enemy owned energy transmission line. Energy collection is by way of a parked vehicle engagement with the transmission line in a current flow dependent, magnetic field determined, rather than shunt, voltage dependent, conductor coupling. Surveillance during both a parked or docked condition and during aerial vehicle movement is contemplated.
Owner:US SEC THE AIR FORCE THE
Battery charging arrangement for unmanned aerial vehicle utilizing the electromagnetic field associated with utility power lines to generate power to inductively charge energy supplies
A method and apparatus for charging energy supplies in an unmanned aerial vehicle (UAV). The present invention relates to a UAV that comprises an inductive charging device that utilizes the electromagnetic field emanated by overhead / utility power lines, to charge the energy supplies. The UAV also includes a releasable latch for holding power lines to allow for the perching of the UAV on power lines during the charging process. The latch and the inductive charging device may be provided on a single device, a battery augmentation trap (BAT). The UAV may be perched in an upright orientation to allow for takeoff after the charging of energy supplies on the power line.
Owner:THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY
System to automatically recharge vehicles with batteries
A plug-in hybrid electric vehicle (PHEV) is an automobile which can use either electricity or gasoline. With high gasoline prices, electricity is becoming a promising alternative to power next generation automobiles. One advantage of the PHEV and the BEV (battery electric vehicle) is that charging can be done at home. However, the small battery capacity of PHEV's may require recharging the batteries almost daily. It would be convenient for an owner of a car with batteries to not have to plug in the battery each and every day that charging is required. Our invention is a system that plugs the power automatically into the vehicle with minimal human intervention using an automated docking system. The system is composed of a robotic manipulator with a camera and a processing unit. The system uses the camera and vision processing to identify the vehicle's position, and consequently, the location of the vehicle's charging receptacle. The robotic manipulator then directs the charging cord's plug into the receptacle of the vehicle. Once charging is complete, the robotic manipulator removes the plug from the vehicle.
Owner:SEVENTHDIGIT CORP
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