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Electric Vehicle patents

      

This page is updated frequently with new Electric Vehicle-related patent applications.

SALE: 470+ Electric Vehicle-related patent PDFs



 Security  electric vehicle power transfer patent thumbnailSecurity electric vehicle power transfer
A security method and apparatus for an electric vehicle (ev) power transfer system can prevent abuse of privacy information or financial information which is stored in an in-vehicle controller, and block fee charging and authentication. A security method for the ev power transfer system, performed by a charging controller installed in an ev, includes steps of: receiving an authentication request from a communication controller installed in the ev; authenticating second key information included in the authentication request based on first key information which is learned or stored beforehand; and when the authentication succeeds, starting a charging process..
Hyundai Motor Company


 Method and  magnetic field alignment in wireless power charging system and primary pad used therein patent thumbnailMethod and magnetic field alignment in wireless power charging system and primary pad used therein
A magnetic field alignment method includes: transmitting a first signal through a first antenna and a second signal through a second antenna, wherein each of the first signal and the second signal includes an antenna identifier, and the first antenna and the second antenna are antennas used for a smart key (smk) system installed in an electric vehicle (ev); receiving a response signal in response to the first signal and the second signal from a transponder in a location corresponding to a primary coil of the wireless charging system; and estimating a position of the primary coil based on a received signal strength of the first signal and a received signal strength of the second signal, which are included in the received response signal.. .
Hyundai Motor Company


 Adaptive charging algorithms for a network of electric vehicles patent thumbnailAdaptive charging algorithms for a network of electric vehicles
electric vehicle node controllers in accordance with embodiments of the invention enable adaptive charging. One embodiment includes one or more centralized computing systems; a communications network; a plurality of electric vehicle node controllers, where each electric vehicle node controller in the plurality of node controllers contains: a network interface; a processor; a memory containing: an adaptive charging application; a plurality of electric vehicle node parameters describing charging parameters of an electric vehicle node in the electric vehicle charging network; where the processor is configured by the adaptive charging application to: send electric vehicle node parameters to the one or more centralized computing systems; and charge the electric vehicle node using a charging rate received from the one or more centralized computing systems; where the one or more centralized computing systems is configured to: receive the electric vehicle node parameters from the plurality of electric vehicle node controllers; calculate a plurality of charging rates for the plurality of electric vehicle node controllers using the electric vehicle node parameters, a plurality of adaptive charging parameters, and a cost function; and send the charging rates to the plurality of electric vehicle node controllers..
California Institute Of Technology


 Battery, battery pack, electronic equipment, electric vehicle, power storage device, and power system patent thumbnailBattery, battery pack, electronic equipment, electric vehicle, power storage device, and power system
A battery includes a positive electrode formed with a positive electrode active material layer containing a positive electrode active material at least on one side of a positive electrode current collector, a negative electrode formed with a negative electrode active material layer containing a negative electrode active material at least on one side of a negative electrode current collector, a separator, and an electrolyte containing solid particles. The capacity area density (mah/cm2) of the negative electrode active material layer is equal to or higher than 2.2 mah/cm2 and equal to or lower than 10 mah/cm2, and the capacity area density (mah/cm2) of a gap in the negative electrode active material layer is equal to or higher than 5.9 mah/cm2 and equal to or lower than 67 mah/cm2..
Sony Corporation


 Capacitors having engineered electrodes with very high energy density patent thumbnailCapacitors having engineered electrodes with very high energy density
An apparatus and associated method for an energy-storage device (e.g., a capacitor) having a plurality of electrically conducting electrodes including a first electrode and a second electrode separated by a non-electrically conducting region, and wherein the non-electrically conducting region further includes a non-uniform permittivity (k) value. In some embodiments, the method includes providing a substrate; fabricating a first electrode on the substrate; and fabricating a second electrode such that the second electrode is separated from the first electrode by a non-electrically conducting region, wherein the non-electrically conducting region has a non-uniform permittivity (k) value.
Granbluetech, L.l.c.


 Fuel vapor recovery patent thumbnailFuel vapor recovery
Fuel vapor emissions from a fuel tank directed to a canister containing adsorbent are minimized by an intermediate condenser and conduit configuration. Condensing and cooling fuel vapor emissions allows a reduction in canister capacity, where the canister can still meet and accommodate refueling and/or diurnal emissions control requirements.
The Itb Group


 Self-balancing electric vehicle with strain-based controls patent thumbnailSelf-balancing electric vehicle with strain-based controls
A self-balancing electric vehicle may include an elongate platform having a first foot placement section and a second foot placement section rigidly coupled to each other, a first and second wheel being respectively coupled to opposite ends of the platform. Rider presence and turning intentions may be determined based on strain induced in the platform by the rider.
Focus Designs Inc.


 Steering power system for electric vehicle and method controlling same patent thumbnailSteering power system for electric vehicle and method controlling same
A steering power system for an electric vehicle and a method for controlling same are provided. The steering power system includes: a steering motor; a steering motor controller, configured to control the steering motor; a high voltage power battery, configured to output a first voltage; a low voltage storage battery, configured to output a second voltage; a buck dc-dc converter, configured to convert the first voltage into the second voltage for being supplied to the low voltage storage battery when a high voltage system works; and a boost dc-dc converter, configured to convert the second voltage into the first voltage.
Byd Company Limited


 External power supply apparatus and vehicle power supply method patent thumbnailExternal power supply apparatus and vehicle power supply method
Provided are an external power supply apparatus and a vehicle power supply method, whereby a power reception circuit of an electric vehicle can be projected or a configuration of the electric vehicle can be simplified. An external power supply apparatus is provided with a power supply unit, which is provided along a traveling path, and which supplies power to a power reception unit of an electric vehicle while the vehicle is traveling; and a voltage applying unit that applies a voltage to the power supply unit.
Honda Motor Co., Ltd.


 Battery-assisted electric vehicle charging system and method patent thumbnailBattery-assisted electric vehicle charging system and method
The disclosed systems and methods are directed to a battery assisted charging station. A battery system comprising plurality of batteries and a battery management system software controlling the operations of the battery system, function together with a vehicle charging system that charges electric vehicles using one or both of stored power provided by a battery system, and power provided by a utility power grid.
Powin Energy Corporation


Electric vehicle automatic charging station

A structure is provided. The structure may include an alignment mechanism used to align an electric vehicle in a parking lane of an electric vehicle charging station, and a coupler assembly including an arm and a charging coupler located in the parking lane and positioned beneath the electric vehicle, the charging coupler is positioned at one end of the arm, and is moveable in a vertical direction relative to the parking lane, and another end of the arm is pivotally mounted in the parking lane, where the charging coupler includes one or more electrical contacts in a shape of a right conical frustum extending from the charging coupler in the vertical direction..
International Business Machines Corporation

Electric vehicle automatic charging station

A structure is provided. The structure may include an alignment mechanism used to align an electric vehicle in a parking lane of an electric vehicle charging station, and a coupler assembly including an arm and a charging coupler located in the parking lane and positioned beneath the electric vehicle, the charging coupler is positioned at one end of the arm, and is moveable in a vertical direction relative to the parking lane, and another end of the arm is pivotally mounted in the parking lane, where the charging coupler includes one or more electrical contacts in a shape of a right conical frustum extending from the charging coupler in the vertical direction..
International Business Machines Corporation

Electric vehicle and vehicle power feeding method

Provided are an electric vehicle and a vehicle power feeding method capable of charging, at an ultra-high speed, an electricity storage device of the electric vehicle that travels on a trackless road. A control device of the electric vehicle executes a first charging control for controlling a voltage converter to limit the input current from a power feeding portion to an electricity storage device or the variation of the input current per unit time and allowing the voltage converter to charge the electricity storage device; and a second charging control for, for example, slopping the transforming operation of the voltage converter and allowing the voltage converter to charge the electricity storage device.
Honda Motor Co., Ltd.

Estimating battery capacity in an electric vehicle

Vehicles that use electric power as a motive force may use accurate measurements of battery power for numerous purposes, e.g., battery characteristics, state of charge of the battery, travel distance remaining for the vehicle and the like. A traction battery measurement should be taken when the battery is fully relaxed, i.e., the battery is neither being charged nor providing power and a time period thereafter when the battery chemistry reaches a steady state.
Ford Global Technologies, Llc

Rear structure for electric vehicle, and electric vehicle including same

In a rear structure for an electric vehicle including, at the rear of the vehicle body, an article storage unit supported on a rear frame, and a first lid configured to cover the article storage unit from above, the electric vehicle includes sub batteries serving as a drive source thereof, the sub batteries are stored in a battery storage unit disposed below the article storage unit, the article storage unit and the battery storage unit include an upper opening and a lower opening, respectively, which are open to the rear side of the vehicle, and a second lid configured to cover the upper opening and the lower opening is formed as a member different from the first lid. Such a rear structure for a vehicle is easy to use, and allows many articles be loaded on the article storage unit and be stored therein..
Honda Motor Co., Ltd.

Front-and-rear split doors and electric vehicle having the same

Disclosed is a front-and-rear split door (9) and an electric vehicle having the split door (9), the front-and-rear split door (9) comprises a front compartment door (901) and a rear compartment door (902) configured to open or close a passenger compartment (101), wherein the front compartment door (901) and the rear compartment door (902) are provided above the passenger compartment (101); a front end of the front compartment door (901) is connected to a vehicle body (1) via a first hinge assembly (903), a rear end of the rear compartment door (902) is connected to the vehicle body (1) via a second hinge assembly (904); and the electric vehicle further comprises a first turning mechanism (905) configured to control the front compartment door (901) to turn outwardly about the first hinge assembly (903) and a second turning mechanism (906) configured to control the rear compartment door (902) to turn outwardly about the second hinge assembly (904). For the vehicle door with front part and rear part opening in opposite directions and the electric vehicle having the vehicle door, there is no need to design an a pillar and a c pillar on the vehicle body, such that the driver can have a broader view, thereby improving the driving comfort, and the weight of the vehicle body will also be reduced, so that the vehicle performance is improved..
Shenzhen Zhilun Driving Technology For Electric Vehicle Co., Ltd.

Control dual clutch transmission for hybrid electric vehicle and control system for the same

The present disclosure relates to a control method of a dual clutch transmission for a hybrid electric vehicle, and a control system for the dual clutch transmission. The control method includes: a handover step of performing a handover process of a transmission while controlling clutch torque of an engaging-side input shaft to maintain a rotational speed change rate of the engaging-side input shaft at a reference change rate; and an actual shifting step of synchronizing a rotational speed of a motor with a rotational speed of the engaging-side input shaft when the first finish determining step determines that the handover process has finished, and of increasing a rotational speed change rate of the motor by increasing motor torque when a synchronization rate is a reference synchronization rate or less..
Hyundai Motor Company

Systems and methods for battery usage regulation for battery life protection

Methods, systems, and apparatus of managing the lifespan of a battery are disclosed herein. A method comprises interpreting age data indicative of a current age of a battery, interpreting usage data indicative of a current usage of the battery, comparing the age data to the usage data, and allocating a propelling power from the battery in a hybrid electric vehicle (hev) responsive to the comparison..
Cummins, Inc.

Methods and systems for electric vehicle (ev) charge units and systems for processing connections to charge units after charging is complete

Methods, systems, charge units, computer readable media, and combinations thereof are provided. One example method includes receiving data, at a server, indicative that a user account has accessed a charging unit for charging an electric vehicle.

Systems, methods, and apparatus related to mutual detection and identification of electric vehicle and charging station

Systems, methods, and apparatus are disclosed for communicating with a charging system comprising a plurality of charging stations configured to charge an electric vehicle. At least one first signal is transmitted to the charging system via a first communication link while the electric vehicle is a first distance from at least one charging station of the plurality of charging stations.
Qualcomm Incorporated

Apparatus and dual automobile electric charger

A multi-port charging unit is capable of charging at least two electric vehicles (evs) utilizing a power supply configured to provide charging power to one ev. The multi-port charging unit includes a power cable configured to couple to a first ev.
Revitalize Charging Solutions, Inc.

Power distributing apparatus of vehicle

A power distributing apparatus of a vehicle includes an on-board charger (obc) for charging a battery of an electric vehicle, an electric power control unit (epcu) stacked on the on-board charger for controlling power of the electric vehicle, and a junction block including a first bus bar block and a second bus bar block supplying a current, wherein in the junction block, the first bus bar block is coupled to the on-board charger and the second bus bar block is coupled to the epcu.. .
Yura Corporation Co., Ltd.

Inductive charging device for an electric vehicle

A charging device for electric vehicles includes two power sources interacting with a primary inductive device. The charging device also includes an input circuit having a first input connectable to a first power source, a second input and at least one output connectable to a charger, a secondary inductive device capable of being coupled to the primary inductive device for energy transfer between the primary inductive device and the secondary inductive device, thereby generating an induced electric signal at the output of the secondary inductive device, and a converter from the induced electric signal to an electric signal towards the second power supply input of the input circuit, the converter being configured such that the electric signal is similar to the electric signal of the first power source..
Winslim

Powerex

One of the major problems with the modern electric vehicle is the limited driving range. Part of that problem is due to the fact they utilize heavy batteries that require stationary charging.

Vehicle cluster gauge calibrating the same

A method of calibrating and controlling a gauge, to which a stepper motor is applied in a cluster of hybrid electric vehicle (hev), includes: receiving information corresponding to an operation state of an electric motor from a certain controller; and controlling a gauge angle indicated by a needle of the gauge to correspond to a target gauge angle indicated by the received information. The step of controlling includes: setting a dropping flag when the target gauge angle is lower than a previous gauge angle; and calibrating the target gauge angle to drop by a reference angle when the target gauge angle corresponds to an angle value that is different from a lowest point of the gauge while setting the dropping flag..
Kia Motors Corporation

Battery heating system, battery assembly and electric vehicle

Embodiments of the present disclosure provide a battery heating system, a battery assembly and an electric vehicle. The battery heating system includes: a battery group having a positive terminal and a negative terminal; a switch having a first end connected with the positive terminal; a large-current discharge module, and a controller connected to the switch and configured to control the switch according to a temperature of the battery group.
Byd Company Limited

Sodium metal batteries with intercalating cathode

Cell and batteries containing them employing a cathode having a intercalating metal oxide in combination with a sodium metal haloaluminate. At operating temperatures, the positive electrode (cathode) of the invention comprises electroactive cathode material permeated with and in physical and electrical contact with the sodium metal haloaluminate catholyte.
Dynantis Corp.

Method of estimating the parameters and state of power system of electric vehicle

A method for estimating parameters and the state of a power system of an electric vehicle is disclosed. A multi-time scale model of the power system is set up; a parameter observer aekfθ based on a macroscopic time scale and a state observer aekf, based on a microcosmic time scale in the power system of the electric vehicle are initialized; time update is performed on the parameter observer aekfθ, the updating time span is one macroscopic time scale, and a priori estimation value {circumflex over (θ)}−l at the moment t1,0, of the parameter θ is obtained; time update and measurement update are performed on the state observer aekfx and circulated for l times, so that the time of the state observer aekfx is updated to the moment t0,1; and measurement update is performed on the parameter observer aekfθ, and the operation is circulated until the estimation is finished.
Beijing Institute Of Technology

Method and controlling hybrid electric vehicle

A method and an apparatus for controlling a hybrid electric vehicle are provided. The apparatus includes a navigation device that provides information regarding a gradient, a speed limit, and a traffic speed of a road.
Hyundai Motor Company

Estimation and compensation of battery measurement and asynchronization biases

A hybrid or electric vehicle includes a traction battery to store and provide energy for the vehicle. The traction battery includes a number of battery cells.
Ford Global Technologies, Llc

Charging station providing thermal conditioning of electric vehicle during charging session

A vehicle includes an energy storage configured to store electric energy for at least propulsion of the vehicle, an energy storage thermal system configured to provide thermal conditioning of the energy storage, and a coupling configured to receive thermal conditioning of the energy storage from a thermal system external to the vehicle. The coupling provides thermal conditioning of the energy storage while charging when available from the thermal system external to the vehicle.
Tesla Motors, Inc.

Control dual clutch transmission for hybrid electric vehicle and control system for the same

A control method of a dual clutch transmission for a hybrid electric vehicle includes: determining, by a transmission controller, whether a vehicle has entered a power-off down-shift state; determining, by the transmission controller, whether a transmission including a first input shaft, a second input shaft, and an output shaft has entered a torque phase, when the first determining step determines that the vehicle has entered the power-off down-shift state; calculating a compensatory torque for compensating for a change in a regenerative braking force according to a change of a gear ratio in accordance with a completion percentage of the torque phase, when it is determined that a transmission has entered the torque phase; and compensating for regenerative torque of a motor by applying the compensatory torque.. .
Kia Motors Corporation

Electric vehicle

In order to limit entry of a fuel cell stack into a passenger compartment by a simple structure, the fuel cell stack is accommodated in an accommodating compartment formed at a rear of a passenger compartment. A force receiving member is arranged forward with respect to the fuel cell stack and below the fuel cell stack so that rearward force acts on the force receiving member at the time of vehicle collision.
Toyota Jidosha Kabushiki Kaisha

Converter for hybrid electric vehicle system

Provided is a converter for an hev system. The converter includes a pcb, a pwm (ic) mounted on the pcb to output a plurality of pwm signals including a first pwm signal and a second pwm signal, a plurality of mosfets mounted on the pcb, the plurality of mosfets including a first mosfet, which performs a switching operation according to the first pwm signal, and a second mosfet which performs a switching operation according to the second pwm signal, and a plurality of inductors including a first inductor, which is magnetized according to the switching operation of the first mosfet to operate in one phase, and a second inductor which is magnetized according to the switching operation of the second mosfet to operate in other one phase..
Hyundai Mobis Co., Ltd.

Interior permanent magnet machine for automotive electric vehicles

Certain aspects relate to topologies for an interior permanent magnet (ipm) electrical machine having increased saliency torque, increased flux-linkage, reduced magnet leakage flux, and reduced detrimental slotting effects compared to existing ipm electrical machines. The ipm electrical machine includes a rotor having a number of poles and a flux barrier formed along the edge of the rotor between poles.
Faraday&future Inc.

Interior permanent magnet machine for automotive electric vehicles

Certain aspects relate to topologies for an interior permanent magnet (ipm) electrical machine having increased saliency torque, increased flux-linkage, reduced magnet leakage flux, and reduced detrimental slotting effects compared to existing ipm electrical machines. The ipm electrical machine includes a rotor having a number of poles and a flux barrier formed along the edge of the rotor between poles.
Faraday&future Inc.

Secondary battery-use electrolytic solution, secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic apparatus

A secondary battery includes a cathode, an anode, and an electrolytic solution in which a polymer compound is dissolved.. .
Sony Corporation

Two-wheeled balancing electric vehicle

A two-wheeled balancing electric vehicle; a connecting body partially overlaps with a left support assembly and a right support assembly respectively; a plurality of elastic devices are arranged in the vertical direction, with at least one elastic device disposed at the front end position between the connecting body and the right support assembly, with at least one elastic device disposed at the rear end position between the connecting body and the right support assembly, with at least one elastic device disposed at the front end position between the connecting body and the left support assembly, with at least one elastic device disposed at the rear end position between the connecting body and the left support assembly. Under the function of the elastic device at the front end, the force of the malfunction of leaning backwards will be absorbed, in order to prevent the balancing vehicle from opening self-sensing of leaning backwards, so that the danger is avoided..
Jiangxi Di An New Energy Vehicle Co., Limited

Straddle-type electric vehicle

An electric motorcycle includes a vehicle controller that outputs an instruction value based on an operation amount of at least an accelerator grip, and a motor driving unit that supplies a driving electric power in accordance with the instruction value to an electric motor. The vehicle controller is disposed outside a case that includes the motor driving unit disposed therein.
Yamaha Hatsudoki Kabushiki Kaisha

External auxiliary thermal management system for an electric vehicle

An auxiliary thermal management system is provided that can be used to supplement an electric vehicle's on-board thermal management system during charging, thereby allowing a fast charging system to be used without adding weight or taking up packaging volume in the ev. The auxiliary system is configured to allow it to force cooled, or heated, air through the radiator of the on-board thermal management system.
Atieva, Inc.

External auxiliary thermal management system for an electric vehicle

An auxiliary thermal management system is provided that can be used to supplement an electric vehicle's on-board thermal management system during charging, thereby allowing a fast charging system to be used without adding weight or taking up packaging volume in the ev. The auxiliary system is configured to allow it to be coupled, for example using quick-disconnect couplings, to thermal conduits within the vehicle's battery pack..
Atieva, Inc.

Managing and optimizing energy supply from grid and renewable source with electric vehicle supply equipment

An electric vehicle supply equipment (evse) charging system includes an evse charging station that is configured to switch a power source between a first power source and a second power source based on a time of use or real-time energy pricing data from a utility. Switching additionally and/or optionally may be based on at least one of charging information and metering information.
Siemens Industry, Inc.

Systems and methods for reducing the cost of vehicle charging based on route prediction

A system for cost-effective charge planning for a battery of a vehicle includes a battery having a soc corresponding to an amount of energy stored by the battery. The system also includes an internal electric vehicle charger capable of receiving energy from a charging station and transferring the energy to the battery to increase the soc.
Toyota Motor Engineering & Manufacturing North America, Inc.



Electric Vehicle topics:
  • Electric Vehicle
  • Transmission Path
  • Hybrid Electric Vehicle
  • Storage Device
  • Smart Grid
  • Pressure Sensor
  • Regenerative
  • Stator Core
  • Interrupted
  • Battery Life
  • Electrochemical Cell
  • Renewable Energy
  • Control Function
  • Energy Monitor
  • Remote Control


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    This listing is a sample listing of patent applications related to Electric Vehicle for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Electric Vehicle with additional patents listed. Browse our RSS directory or Search for other possible listings.


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