Gm Global Technology Operations LLC

Rivian IP Holdings, LLC

Faraday & Future Inc.

Silva Hiti

Steven E Schulz

Brian A Welchko

Constantin C Stancu

Milun Perisic

David Yuang Tang

Gabriel Gallegos-Lopez

Khwaja M Rahman

James Michio Nagashima

Tyler J Erikson

Kyle R Underhill

Yo Chan Son

Young Mok Doo

Nitinkumar R Patel

Gregory S Smith

Daniel L Kowalewski

Sibaprasad Chakrabarti

Richard Michael Breese

William R Cawthorne

Stephen T West

Bon Ho Bae

George John

Brendan M Conlon

Peter James Savagian

Mohammad N Anwar

Hanne Buur

Jihoon Jang

Jeong J Park

Bonho Bae

Dragan S Maric

Abbas Raftari

Wei D Wang

Lateef A Kajouke

Scott D Downer

Leah Dunbar

Brian N Harries

Konstantin S Majarov

S M N Hasan

Jonathan B Huse

Ronghui Li

Goro Tamai

Jy-Jen F Sah

Lawrence A Kaminsky

Terence G Ward

Ali K Naqvi

Mark A Vernacchia

Sean E Gleason

Aniket P Kothari

Seung Ki Sul

Mark L Selogie

Henry Huang

Robert T Dawsey

Syed Naqi

Harry J Bauer

Michael J Grimmer

David P Tasky

Mengwei Li Campbell

Douglas S Carlson

Matthew D Laba

Bon-Ho Bae

Jonathan M Bolenbaugh

Nicholas Kokotovich

Aubrey Walter Downs, Jr

Khiet Le

Ronald W Young

Erik Christopher Hatch

Shaun C Bowman

Eric R Ostrom

Michael D Haggerty

Lisa M Talarico

Michael Arnett

Brian R Medema

Yu-Seok Jeong

Jung Sik Yim

Gholamreza Esmaili

Michael Milani

Min Dai

Juan Lopez

George Robison

Terry Murrell

Jackie L Cui

Duc Q Phan

Steven E Schultz

Slobodan Gataric

Fabio Crescimbini

Federico Caricchi

Steve T West

Samuel J Harbin

Aleksandar M Stankovic

Justin O Nielsen

Millin Perisic

Milan S Mijalkovic

Hector Romo

Marc Haeberlin

Michael Rosenblatt

Christopher A Laurent

Sasa Lucic

Advance temperature control of charging station components is provided. A system can identify a first time at which an electric vehicle arrives at a charging station to charge the electric vehicle. The system can determine, based at least in part on the first time and a temperature of a component of the charging station, a second time prior to arrival of the electric vehicle at the charging station at which to activate a cooling system of the charging station. The system can provide an instruction to activate the cooling system at the second time to lower the temperature of the component of the charging station by the first time at which the electric vehicle arrives at the charging station to charge the electric vehicle.

Precooling of electric vehicle charging stations

Various disclosed embodiments include illustrative controllers, dual power inverter modules, and electric vehicles. In an illustrative embodiment, a controller includes one or more processors associated with a first and second power inverter for the drive unit. Computer-readable media for the one or more processors are each configured to store computer-executable instructions configured to cause the one or more processors to apply a same fault action to the first power inverter and the second power inverter responsive to a fault associated with an inverter chosen from the first power inverter and the second power inverter, wherein the same fault action includes applying equalized torque to each axle operatively coupled to the drive unit.

Torque-equalizing fault response for electric vehicle

In an illustrative embodiment, a direct current (DC) fast charger (DCFC) controller unit includes a controller. The controller includes a processor and computer-readable media. The computer-readable media is configured to store computer-executable instructions configured to cause the processor to: receive a maximum charge time duration to charge at least one battery to a desired state of charge responsive to an increased efficiency charge mode being enabled; determine an amount of energy used in a plurality of charge cycles for charging the at least one battery to the desired state of charge with charge time durations no longer than the maximum charge time duration; select a charge cycle for charging the at least one battery to the desired state of charge with a lowest amount of energy used; and cause the at least one battery to be charged with the selected charge cycle.

Systems and methods for efficient DC fast charging

An illustrative dual power inverter module includes a detection circuit configured to detect loss of low voltage DC electrical power supplied to a controller for a first power inverter and a second power inverter of a drive unit for an electric vehicle. A first backup power circuit is associated with the first power inverter and a second backup power circuit is associated with the second power inverter. Each backup power circuit is configured to convert high voltage DC electrical power to low voltage DC electrical power responsive to detection of loss of low voltage DC electrical power supplied to the controller. Three-phase short circuitry is configured to apply a same fault action to the first power inverter and the second power inverter responsive to detection of loss of low voltage DC electrical power supplied to the controller, wherein the same fault action includes applying equalized torque to each axle operatively coupled to the drive unit.

Torque-equalizing fault response for loss of low voltage DC electrical power in electric vehicle

Various disclosed embodiments include illustrative inverter modules that are integratably mountable with a drive unit of a vehicle, illustrative drive units with an inverter module integratably mounted therewith, and illustrative vehicles with at least one drive unit with an inverter module integratably mounted therewith. Given by way of non-limiting example, an illustrative module for a drive unit of a vehicle includes a housing having an open face defined therein. Inverter circuitry is disposed in the housing.

Inverter module integratably mountable with drive unit of vehicle

Various disclosed embodiments include illustrative apparatuses and methods for performing vehicle-to-vehicle and/or vehicle-to-load charging. In an illustrative embodiment, an apparatus includes a multi-function DC power unit and an interface unit configured to perform battery recharging between a donor battery-powered device and a receiver battery-powered device. The interface unit is configured to removably receive the multi-function DC power unit.

Systems and methods for vehicle-to-load charging

Various disclosed embodiments include illustrative charging systems, electrical dispensers, dispenser chains, methods of charging a vehicle, and methods of providing charging power to a vehicle. A charging system includes a power cabinet having at least one direct current (DC) power module. The charging system also includes at least one dispenser chain, each dispenser chain being electrically couplable to a respective DC power module. Each dispenser chain includes dispensers that are electrically couplable with each other in series and that are configured to dispense electrical power, each of the dispensers being controllable such that electrical power is dispensable by only one dispenser in its dispenser chain at a time.

Electric vehicle charging system and method utilizing a dispenser chain

A system includes a computer processor configured to receive a vehicle identifier and a charging power dispenser identifier from a vehicle coupled to a specific charging power dispenser of a charging power dispenser chain. The system also includes a control program being configured to run on the computer processor, the control program being configured to determine a time to deliver power to the vehicle and an amount of power to deliver to the vehicle, the control program being further configured to send to a communication hub of a power cabinet electrically coupled to the charging power dispenser chain the time to deliver power to the vehicle, the amount of power to deliver to the vehicle, the vehicle identifier, and the charging power dispenser identifier.

Electric vehicle charging system and method

A charge coupler adapted to be coupled to a charging inlet of an electric vehicle, the charge coupler including: a housing including a first portion adapted to be disposed around a first plurality of contacts and a second portion adapted to be disposed around a second plurality of contacts; a conductive member disposed between the first portion of the housing and the second portion of the housing; and a control system coupled to the conductive member and operable for sensing a break in the conductive member indicating damage to one or more of the first portion of the housing and the second portion of the housing or that the second portion of the housing is detached from the first portion of the housing. Optionally, the conductive member includes a conductive loop disposed around an inner periphery of the housing, the first plurality of contacts, and the second plurality of contacts.

Charge coupler safety interlock systems and methods

Various disclosed embodiments include illustrative systems for remotely testing continuity of electrical wiring, electrical vehicle charging systems, and charge couplers for electrical vehicle charging systems. In an illustrative embodiment, a system for remotely testing continuity of electrical wiring includes a signal generator configured to generate a signal having a predetermined frequency. A controlled impedance network is configured to attenuate the signal. The controlled impedance network is electrically connectable toward a first end of electrical wiring that terminates at a termination at the first end and that is electrically connectable at a second end to the signal generator to carry the signal. A signal detector is configured to detect the signal.

Systems and methods for remotely testing continuity of electrical wiring

A charging dispenser includes a direct current (DC) electrical power input, a DC electrical power pass through output, and a DC electrical power charging output. The charging dispenser also includes a switching unit coupled to the DC electrical power input, the DC electrical power pass through output, and the DC electrical power charging output. Further, the charging dispenser includes a controller configured to provide control signals to the switching unit, the switching unit being configured, responsive to the control signals, to selectively electrically disconnect the DC electrical power input from the DC electrical power pass through output and electrically connect the DC electrical power input to the DC electrical power charging output of the charging dispenser and to selectively electrically connect the DC electrical power input to the DC electrical power pass through output and electrically disconnect the DC electrical power input from the DC electrical power charging output of the charging dispenser.

Electric vehicle charging dispenser and method

A controller includes a first processor for a first power inverter. Computer-readable media is configured to store computer-executable instructions configured to cause the first processor to: generate a first clock signal and a second clock signal; identify a pulse width modulation method of the first power inverter and a pulse width modulation method of a second power inverter; identify and compare a switching frequency of the first power inverter and a switching frequency of the second power inverter; determine an optimized phase shift between the first power inverter and the second power inverter responsive to the pulse width modulation method of the first power inverter and the pulse width modulation method of the second power inverter and the switching frequency of the first power inverter and the switching frequency of the second power inverter; and synchronize the optimized phase shift between the first power inverter and the second power inverter. A second processor for the second power inverter is configured to receive the second clock signal.

Pulse width modulation clock synchronization

An illustrative drive unit for an electric vehicle includes a first electrical motor, a first axle mechanically couplable to the first electrical motor, a second electrical motor, a second axle mechanically couplable to the second electrical motor, and a dual power inverter module electrically couplable to a source of high voltage DC electrical power. The dual power inverter module includes: a first inverter configured to convert the high voltage DC electrical power to three phase, high voltage AC electrical power and electrically couplable to provide the three phase, high voltage AC electrical power to the first electrical motor; a second inverter configured to convert the high voltage DC electrical power to three phase, high voltage AC electrical power and electrically couplable to provide the three phase, high voltage AC electrical power to the second electrical motor; and a common controller configured to control the first inverter and the second inverter.

Drive unit for electric vehicle

Growing community of inventors

Redondo Beach, CA, United States of America

Silva Hiti