Inventor

CHANDRA S. NAMUDURI

Inventor

US

Overview

2021–2026

Patent span

Electricity

Primary field (CPC H)

Patents· 131 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B60Lprimary

B60LPropulsion of electrically-propelled vehicles19%

H02JElectric power networks13%

Y02TClimate change mitigation technologies related to transportation12%

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems11%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters9%

B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for4%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy4%

H03KPulse technique3%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution2%

G01RMeasuring electric variables2%

PatentTitleYear

12,576,741Multi-port multi-battery pack charging for vehicles2026 12,562,727Variable slew-rate current source gate drivers for hybrid power modules2026 12,558,994Electric vehicle energy storage systems including dc-dc power converters operable in selected operating modes2026 12,542,505Systems and methods for bi-directional onboard battery charging functions in separately excited motor drives2026 12,525,663Control of alternating current battery heating using in-situ measurements2026 12,508,949Balance control for rechargeable energy storage system2025 12,506,432—2025 12,500,437DC fast charging using closed-loop control of multi-functional inverter-based boost converter2025 12,500,540System for mutual inductance cancellation for H-type multilevel converters2025 12,494,730Electric motor control2025 12,485,798State of charge control system for vehicle battery modules2025 12,479,330Flexible vehicle charging2025 12,473,959Passive electromagnetic damper with asymmetrical forces2025 12,447,833Multilevel inverter current sensing2025 12,451,538Closed loop thermal control and estimation of a parameter of a battery assembly2025 12,397,658Using a multilevel neutral point clamped inverter2025 12,399,704Method and system to optimize power utilization using an alternative power converter while operating vehicle software updates2025 12,397,652System for mutual inductance cancellation for X-type multilevel converters2025 12,400,797Low parasitic equivalent series L-inductance (ESL) symmetric direct current (DC) link capacitor2025 12,391,148Battery heating system2025 12,395,111Overvoltage mitigation system2025 12,395,045Choke device for an electric machine system2025 12,395,004Charging through electric drive system with minimum torque disturbance2025 12,377,746Load shedding for a vehicle2025 12,374,893Method and apparatus for integrated bi-directional charging2025 12,370,924Multilevel direct current power source powering multilevel inverter2025 12,368,331Motor with stator tooth tip cooling2025 12,362,742Variable slew rate gate driver for hybrid switch power module2025 12,362,695System for generating thermal heat in an electric power system and an electrified powertrain2025 12,328,078Hybrid switch multi-chip power module for a vehicle battery2025 12,325,327Energy transfer among mismatched battery systems2025 12,308,691Discharge system for DC capacitors with active loss control2025 12,293,613Systems and methods for vehicular computation management2025 12,291,104System for mutual inductance cancellation for T-type multilevel converters2025 12,273,040Generating and supplying bias power to isolated power converters2025 12,257,873Eddy current damper with asymmetrical forces2025 12,261,605Gate driving with phased slew rate control and overcurrent protection2025 12,246,606Multi-function DC-DC converter for battery electric vehicles2025 12,246,615Current sensors for battery cells of a vehicle battery system2025 12,191,686System and method for modular dynamically adjustable capacity storage2025 12,179,605Voltage switching of an electric motor2024 12,185,510Active coolant flow control in multi-inverter systems2024 12,176,892Electronic control of switching slew rates2024 12,151,588Power control system and method for controlling an electric vehicle including one or more supplemental protection devices2024 12,151,573Vehicle charging using a multi-drive system2024 12,155,244High voltage architecture for multi-port charging system2024 12,155,317Power inverter with enhanced capacitance2024 12,142,960Rechargeable energy storage system balancing2024 12,139,040Electric drive with dual-energy storage and variable inverter input2024 12,136,805Apparatus and method for arc fault protection2024 12,136,846Vehicle integrated DC-DC energy transfer2024 12,113,468Voltage overshoot mitigation2024 12,107,454Efficient charging of an external energy storage system from a vehicle battery system2024 12,097,784Distributed power architecture including fuses2024 12,095,352Systems and methods for reducing battery ripple loss2024 12,074,590Vehicle fuse control in key-off mode2024 12,051,985Battery charging systems and methods via electric machine2024 12,046,946Apparatus and method for vehicle low voltage power net operation with disconnected battery2024 12,036,886Controlling a DC-DC converter for DC charging2024 12,036,884Propulsion systems with power sources compatible with different charging stations and dynamically scalable for different vehicle speed and torque modes2024 12,034,324Flexible electrified vehicle power transfer2024 12,034,134Integrated battery and battery electrical controller2024 12,027,908High power density universal vehicle charger2024 12,027,900Vehicle battery systems including DC-DC converters2024 12,017,545Method of using electrical center for battery disconnect2024 12,012,006Circuit-triggered fault mitigation for battery electric system and motor vehicle having the same2024 12,009,715Electronic gear changing multifunction inverter2024 11,999,263Voltage control of multi-drive systems2024 11,984,834Power control system for switching battery configuration during driving2024 11,984,561Battery switch control systems and methods2024 11,970,078Vehicle accessory load control and power stability2024 11,970,072Vehicle electrical system having a power inverter and electric motor for stepping down voltage2024 11,962,173Adaptive fast-charging of multi-pack battery system in a mobile platform having dual charge ports2024 11,929,475Battery heating during vehicle operation and/or during vehicle charging2024 11,929,615Architecture of renewable energy ecosystem2024 11,912,146Vehicle with integrated DC-DC converter2024 11,916,414Apparatus and method for coordinating contactor-fuse system2024 11,901,844Electric motor control2024 11,901,838Inverter module for vehicle2024 11,890,958Multifunctional charging topology for electric vehicle2024 11,872,906Operator-selected operation of electric propulsion system having reconfigurable series/parallel voltage source2024 11,870,433Solid-state multi-switch device2024 11,865,945Rechargeable energy storage system balancing apparatus2024 11,863,072Efficient bypass switches for DC/DC converter2024 11,860,196Detection system for detecting capacitance degradation in inverters2024 11,850,950High voltage powered solid state fuse with battery power control2023 11,840,153High voltage switching for charging an electric vehicle2023 11,811,212Synchronization of electronic fuses in vehicle power distribution2023 11,810,873Solid-state fuse having multiple control circuits2023 11,801,770Charging architecture for reconfigurable battery pack using solid-state and contactor switches2023 11,767,007Apparatus and method for energy management for dual energy storage2023 11,762,406Voltage control and noise isolation for a fuse system2023 11,765,815Printed circuit board based solid state relay2023 11,745,611System and method for control of a multi-function electric powertrain2023 11,728,732Electrical system having buck converter functionality2023 11,723,168Busbar assembly for current sensing2023 11,699,967Electric machine with integrated point field detectors and system for multi-parameter sensing2023 11,685,266Battery electric system having switchable architecture with thermal runaway protection2023 11,671,087Short circuit protection for bidirectional switches2023 11,658,474Smart electronically resettable fuse2023 11,607,967Vehicle electrical system having a power inverter and an electric motor for stepping up voltage2023 11,603,005Apparatus and method of quick charging an electric vehicle2023 11,581,841Electrical system having boost converter functionality2023 11,569,745Electrical system having boost converter functionality2023 11,506,167Ultracapacitor to augment starter system during starting of vehicle engine2022 11,499,517Additional battery to augment starter system during starting of vehicle engine2022 11,489,472Current source inverter control systems and methods2022 11,482,954System and method for generating heating AC current2022 11,480,421Electric powertrain with rotary electric machine and position sensor-to-controller interface2022 11,476,507Solid-state multi-switch device2022 11,444,474Apparatus for mobile power source2022 11,441,526Engine crank system and method2022 11,400,824Electrical propulsion system architecture2022 11,394,330Torque and current control methods for switching variable electric drive vehicles2022 11,395,430Busbar assembly for current sensing2022 11,383,607Bi-directional electrical charging system for a motor vehicle2022 11,365,711Energy storage system with multiple battery modules for a vehicle propulsion system2022 11,356,006Electric machine with inductive position sensor assembly and method for assembling and aligning the same2022 11,349,470Gate driver and protection system for a solid-state switch2022 11,349,475Systems and methods for reallocation of electronic fuses configured to drive a fuse harness operationally coupled to multiple loads implemented onboard a vehicle2022 11,336,101Adaptive fast-charging of multi-pack battery system in a mobile platform having dual charge ports2022 11,327,901Modular dynamically allocated capacity storage systems implemented as respective batteries each having multiple source terminals2022 11,316,335Active disconnect device2022 11,254,223Operating mode optimization for electric propulsion system with downsized DC-DC converter2022 11,236,718Control of pre-engaged pinion starter2022 11,235,678Electric vehicle charging using downsized buck boost converter2022 11,233,407Switch control systems and methods for battery with adjustable capacity2022 11,225,153Intelligent vehicles with advanced vehicle camera systems for underbody hazard and foreign object detection2022 11,203,267Dual-voltage charging station and method2021 11,199,169Apparatus and method for engine stop position control2021 11,152,876Apparatus and method for position sensing of integrated brushless starter2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2026Patents assigned to GM GLOBAL TECH OPERATIONS LLC (131)· patent assignee history

2021–2026Based in US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GM GLOBAL TECH OPERATIONS LLC	131	2021–2026

Locations

Location	Patents	Span
US	131	2021–2026