P

Inventor

HAO LEI

US143 patents
⚠️ This page may combine multiple inventors who share the name “HAO LEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GM GLOBAL TECH OPERATIONS LLC

41 patents
US11336101B2May 17, 2022

Adaptive fast-charging of multi-pack battery system in a mobile platform having dual charge ports

GM GLOBAL TECH OPERATIONS LLC20 citations94
US10259448B2Apr 16, 2019

Hybrid vehicle propulsion systems and methods

GM GLOBAL TECH OPERATIONS LLC20 citations93
US10369896B2Aug 6, 2019

Apparatus and method for flexible DC fast charging of an electrified vehicle

GM GLOBAL TECH OPERATIONS LLC19 citations92
US11167643B2Nov 9, 2021

Electric-drive vehicles, powertrains, and logic for comprehensive vehicle control during towing

GM GLOBAL TECH OPERATIONS LLC12 citations86
US11133680B2Sep 28, 2021

Balancing system for rechargeable energy storage assembly with multiple parallel units

GM GLOBAL TECH OPERATIONS LLC11 citations86
US10940771B1Mar 9, 2021

Optimized operation of electric propulsion system having reconfigurable series/parallel voltage source

GM GLOBAL TECH OPERATIONS LLC10 citations86
US10917030B1Feb 9, 2021

Electric drive system with reconfigurable machine windings

GM GLOBAL TECH OPERATIONS LLC10 citations86
US10436167B1Oct 8, 2019

Starter system and method of control

GM GLOBAL TECH OPERATIONS LLC15 citations86
US10190561B1Jan 29, 2019

System and method for rapid engine start

GM GLOBAL TECH OPERATIONS LLC14 citations86
US9621099B1Apr 11, 2017

Method for switching between a full winding mode and a half winding mode in a three-phase machine

GM GLOBAL TECH OPERATIONS LLC21 citations86
US10854933B2Dec 1, 2020

Battery pack voltage-switching systems and control logic for multi-pack electric-drive motor vehicles

GM GLOBAL TECH OPERATIONS LLC10 citations84
US10675991B2Jun 9, 2020

Methods for reconfigurable battery charger control

GM GLOBAL TECH OPERATIONS LLC9 citations84
US10432130B2Oct 1, 2019

Electric powertrain and a method of operating the same

GM GLOBAL TECH OPERATIONS LLC11 citations84
US10110103B1Oct 23, 2018

Electric drive system enhancement using a DC-DC converter

GM GLOBAL TECH OPERATIONS LLC11 citations84
US9882521B2Jan 30, 2018

Apparatus and methods of controlling electric drive with reconfigurable winding

GM GLOBAL TECH OPERATIONS LLC11 citations84
US9597979B1Mar 21, 2017

Method of controlling regeneration and boost functions of a hybrid powertrain

GM GLOBAL TECH OPERATIONS LLC13 citations84
US9479017B2Oct 25, 2016

Deep V-magnet cavity structure rotor

GM GLOBAL TECH OPERATIONS LLC7 citations84
US10184442B2Jan 22, 2019

Permanent magnet electric machine

GM GLOBAL TECH OPERATIONS LLC8 citations83
US11603925B1Mar 14, 2023

Hydraulically actuated clutch system and control logic for torque converter assemblies

GM GLOBAL TECH OPERATIONS LLC5 citations75
US12009715B2Jun 11, 2024

Electronic gear changing multifunction inverter

GM GLOBAL TECH OPERATIONS LLC2 citations73
US11890958B2Feb 6, 2024

Multifunctional charging topology for electric vehicle

GM GLOBAL TECH OPERATIONS LLC2 citations73
US11757391B1Sep 12, 2023

Impedance estimation of power sources via motor inverter circuits

GM GLOBAL TECH OPERATIONS LLC2 citations73
US11394330B2Jul 19, 2022

Torque and current control methods for switching variable electric drive vehicles

GM GLOBAL TECH OPERATIONS LLC4 citations73
US11236718B1Feb 1, 2022

Control of pre-engaged pinion starter

GM GLOBAL TECH OPERATIONS LLC3 citations73
US11235678B1Feb 1, 2022

Electric vehicle charging using downsized buck boost converter

GM GLOBAL TECH OPERATIONS LLC3 citations73
US10998840B2May 4, 2021

Electric drive system with reconfigurable machine windings

GM GLOBAL TECH OPERATIONS LLC2 citations73
US10895237B1Jan 19, 2021

Electric starter system with latch mechanism for pinion pre-engagement control

GM GLOBAL TECH OPERATIONS LLC2 citations73
US10651740B1May 12, 2020

Buck-boost converter for an electric drive

GM GLOBAL TECH OPERATIONS LLC2 citations73
US10622875B2Apr 14, 2020

Interior permanent magnet electric machine

GM GLOBAL TECH OPERATIONS LLC3 citations73
US10605217B2Mar 31, 2020

Vehicle engine starter control systems and methods

GM GLOBAL TECH OPERATIONS LLC6 citations73
US10576837B2Mar 3, 2020

Electrical drive unit

GM GLOBAL TECH OPERATIONS LLC3 citations73
US10544772B2Jan 28, 2020

Bus voltage stabilization in powertrain having electric starter system with polyphase brushless starter motor

GM GLOBAL TECH OPERATIONS LLC3 citations73
US10476348B2Nov 12, 2019

Electric motor having asymmetric configuration for generating unbalanced force

GM GLOBAL TECH OPERATIONS LLC3 citations73
US10408184B1Sep 10, 2019

Brushless electric starter system with closed-loop speed synchronization control methodology

GM GLOBAL TECH OPERATIONS LLC3 citations73
US10330070B2Jun 25, 2019

Method and apparatus for operating a starter for an internal combustion engine

GM GLOBAL TECH OPERATIONS LLC2 citations73
US10293804B2May 21, 2019

Hybrid vehicle engine starter systems and methods

GM GLOBAL TECH OPERATIONS LLC2 citations73
US10284036B2May 7, 2019

Electric machine for hybrid powertrain with engine belt drive

GM GLOBAL TECH OPERATIONS LLC5 citations73
US10036359B2Jul 31, 2018

Hybrid vehicle engine starter control systems and methods

GM GLOBAL TECH OPERATIONS LLC4 citations73
US9925889B2Mar 27, 2018

Electric machine for hybrid powertrain with dual voltage power system

GM GLOBAL TECH OPERATIONS LLC6 citations73
US9866157B2Jan 9, 2018

Method and apparatus for a position sensor for a transmission integrated synchronous motor

GM GLOBAL TECH OPERATIONS LLC3 citations73
US9735634B2Aug 15, 2017

Split pole spoke type PM machine with enclosed magnets

GM GLOBAL TECH OPERATIONS LLC2 citations73

GM GLOBAL TECH OPERATIONS INC

4 patents

HAO LEI

2 patents

ALEXANDER PAUL W

1 patent

GAO XIUJIE

1 patent

GOPALAKRISHNAN SURESH

1 patent

Showing the top 50 of 143 patents by PatentIndex Score.