Inventor

Lei Hao

Inventor

Troy, MI, US

Overview

2009–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 67 as inventor

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

H02Kprimary

H02KDynamo-electric machines13%

Y02TClimate change mitigation technologies related to transportation13%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters13%

F02NStarting of combustion engines11%

B60KArrangement or mounting of propulsion units or of transmissions in vehicles8%

B60LPropulsion of electrically-propelled vehicles8%

B60WConjoint control of vehicle sub-units of different type or different function8%

G01RMeasuring electric variables3%

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 systems3%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

PatentTitleYear

10,854,933Battery pack voltage-switching systems and control logic for multi-pack electric-drive motor vehicles2020 10,815,954Starter for an internal combustion engine2020 10,724,491Brushless starter system with pinion pre-engagement control2020 10,675,991Methods for reconfigurable battery charger control2020 10,677,212Method and apparatus for controlled stopping of internal combustion engine2020 10,654,370Apparatus and method for flexible DC fast charging of an electrified vehicle2020 10,651,740Buck-boost converter for an electric drive2020 10,622,875Interior permanent magnet electric machine2020 10,605,217Vehicle engine starter control systems and methods2020 10,576,837Electrical drive unit2020 10,574,116Starter including a switched reluctance electric motor2020 10,544,772Bus voltage stabilization in powertrain having electric starter system with polyphase brushless starter motor2020 10,505,415Permanent magnet electric machine2019 10,487,791Temperature control strategy for electric starter system with polyphase brushless starter motor2019 10,480,476Starter system and method of control2019 10,476,348Electric motor having asymmetric configuration for generating unbalanced force2019 10,473,081Powertrain with AC brushless starter and sensor/sensorless control method2019 10,436,167Starter system and method of control2019 10,432,130Electric powertrain and a method of operating the same2019 10,408,184Brushless electric starter system with closed-loop speed synchronization control methodology2019 10,369,896Apparatus and method for flexible DC fast charging of an electrified vehicle2019 10,330,070Method and apparatus for operating a starter for an internal combustion engine2019 10,293,804Hybrid vehicle engine starter systems and methods2019 10,284,036Electric machine for hybrid powertrain with engine belt drive2019 10,259,448Hybrid vehicle propulsion systems and methods2019 10,205,358Electric machine for a vehicle powertrain and the electric machine includes a permanent magnet2019 10,190,559Hybrid vehicle engine starter control systems and methods2019 10,190,561System and method for rapid engine start2019 10,184,442Permanent magnet electric machine2019 10,110,103Electric drive system enhancement using a DC-DC converter2018 10,101,396Detection of current sensor malfunction2018 10,054,069Method and apparatus for model based control of electrical boosting system2018 10,036,359Hybrid vehicle engine starter control systems and methods2018 9,983,253Method and apparatus for identifying the winding short of bar wound electric machine at standstill condition2018 9,925,889'Electric machine for hybrid powertrain with dual voltage power system'2018 9,882,521'Apparatus and methods of controlling electric drive with reconfigurable winding'2018 9,866,157'Method and apparatus for a position sensor for a transmission integrated synchronous motor'2018 9,780,606'Multi material rotor core'2017 9,732,736'System and method for controlling an active material actuator'2017 9,735,634'Split pole spoke type PM machine with enclosed magnets'2017 9,692,266'Spoke-type PM machine with bridge'2017 9,621,099'Method for switching between a full winding mode and a half winding mode in a three-phase machine'2017 9,597,979'Method of controlling regeneration and boost functions of a hybrid powertrain'2017 9,479,017'Deep V-magnet cavity structure rotor'2016 9,387,766'Vehicle with selectively enabled boost converter'2016 9,346,345'Shape memory alloy active hatch vent'2016 9,231,515'Method of monitoring performance of an electric motor'2016 9,018,881'Stator winding diagnostic systems and methods'2015 8,972,032'Method for overload protection of SMA device'2015 8,947,099'Equivalent power method of reducing the affects of voltage variation during active material actuation'2015 8,866,428'Method and apparatus for thermally monitoring a permanent magnet electric motor'2014 8,821,224'Shape memory alloy active hatch vent'2014 8,816,556'Optimized electric machine for smart actuators'2014 8,810,234'Method of controlling active material actuation utilizing an operational envelope'2014 8,766,564'Method of reducing the effect of preheat time variation during shape memory alloy actuation'2014 8,744,603'Method for position feedback based control for overload protection'2014 8,742,615'Method and apparatus for electric power management in a vehicle'2014 8,736,216'Electric drive with electronically scalable reconfigurable winding'2014 8,729,765'Field coil for an electric machine'2014 8,680,802'Electric drive with electronically scalable reconfigurable winding'2014 8,497,664'High efficiency multi-phase generator'2013 8,436,571'Actuator system including an active material'2013 8,179,018'Active material actuator regulation utilizing piezoelectric and piezoresistive effect'2012 8,089,191'Electric machine and control method'2012 7,919,949'High efficiency generator'2011 7,791,245'Optimized electric machine for smart actuators'2010 7,622,882'Position detection device for permanent magnetic machines'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2020Based in Troy, MI, US· patent location history

2010–2016Patents assigned to GM GLOBAL TECH OPERATIONS INC (21)· patent assignee history

2012–2015Patents assigned to HAO LEI (15)· patent assignee history

2012–2015Patents assigned to GAO XIUJIE (8)· patent assignee history

2012–2014Patents assigned to NAMUDURI CHANDRA S (6)· patent assignee history

2016–2020Patents assigned to GM GLOBAL TECH OPERATIONS LLC (44)· patent assignee history

2019Based in Warren, MI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GM GLOBAL TECH OPERATIONS LLC	44	2016–2020
GM GLOBAL TECH OPERATIONS INC	21	2010–2016
HAO LEIself	15	2012–2015
GAO XIUJIE	8	2012–2015
NAMUDURI CHANDRA S	6	2012–2014

Locations

Location	Patents	Span
Troy, MI, US	66	2009–2020
Warren, MI, US	1	2019