Inventor
Constantin C. Stancu
Inventor
Anaheim, CA, US
Overview
Patents· 58 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Mprimary
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 systems18%
Y02TClimate change mitigation technologies related to transportation17%
B60LPropulsion of electrically-propelled vehicles17%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters15%
H02KDynamo-electric machines9%
H01LSemiconductor devices2%
H05KPrinted circuits2%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h102%
Y10TTechnical subjects covered by former us classification2%
G01RMeasuring electric variables2%
PatentTitleYear
10,937,747Power inverter module with reduced inductance202110,717,366High-frequency direct current bulk capacitors with interleaved busbar packages202010,283,475Power module assembly with dual substrates and reduced inductance201910,171,021Methods for determining a voltage command201910,164,563Method and apparatus for controlling an electric machine201810,116,174Synchronous reluctance electric machine201810,056,792Interior permanent magnet electric machine20189,917,065'Power module assembly with reduced inductance'20189,853,589Electric power system for controlling an electric machine20179,796,277'Electric bike extended range battery power electronics and control'20179,780,665'Methods and systems for controlling a boost converter'20179,774,288'Control of switching frequency in electric machine assembly'20179,064,630'Integrated high frequency rotary transformer and resolver for traction motor'20159,048,766'Method and apparatus for monitoring and controlling a synchronous electric machine'20158,957,563'Rotor geometry for reduction of torque ripple in a wound field machine'20158,749,090'Dual source automotive propulsion system and method of operation'20148,542,085'High frequency rotary transformer for synchronous electrical machines'20138,390,240'Absolute position sensor for field-oriented control of an induction motor'20138,378,528'Systems and methods for discharging bus voltage using semiconductor devices'20138,258,671'Methods and apparatus for a continuous wound laminate rotor flux path'20128,193,449'Low inductance busbar'20128,018,187'Initial polarity detection for permanent magnet motor drives'20117,977,898'Current sensing for a multi-phase DC/DC boost converter'20117,944,161'DC bus discharge in an electric motor system'20117,944,160'Redundant DC bus discharge for an electric motor system'20117,936,083'Systems and methods for multiple source power conversion'2011RE042200'Fault handling of inverter driven PM motor drives'20117,756,669'Systems and methods for estimating temperatures of power module components'20107,675,192'Active DC bus filter for fuel cell applications'20107,633,194'Apparatus for cooling stator lamination stacks of electrical machines'20097,615,887'Method and system for operating a power converter'20097,609,050'Method and system for determing current in an electrical component in a power conversion system'20097,556,082'Interior permanent magnet rotors with multiple properties and methods of making same'20097,525,825'Snap in high power, high current connector with integrated EMI filtering'20097,479,723'Permanent magnet machine rotor'20097,449,853'High power, low noise interconnection for an integrated dual wound motor to a dual inverter'20087,372,712'Multiple inverter system with single controller and related operating method'20087,279,862'Fault handling of inverter driven PM motor drives'20077,277,304'Multiple inverter system with single controller and related operating method'20077,100,717'Integrated electric power take-off system'20067,092,267'Auxiliary power generation in a motor transformer'20067,061,134'Method and system for improved thermal management of a voltage source inverter operating at low output frequency utilizing a zero vector modulation technique'20067,042,186'Decoupling a harmonic signal from a signal path'20066,984,960'Methods and apparatus for current control of a three-phase voltage source inverter in the overmodulation region'20066,950,321'Active damping control for L-C output filters in three phase four-leg inverters'20056,924,993'Method and apparatus for controlling a stand-alone 4-leg voltage source inverter'20056,831,442'Utilizing zero-sequence switchings for reversible converters'20046,707,222'Motor stator using corner scraps for additional electrical components'20046,684,483'Method of fabricating a rotor for an electric traction motor'20046,617,820'Auxiliary power conversion by phase-controlled rectification'20036,504,329'Apparatus and method for controlling permanent magnet electric machines'20036,366,043'Dynamic torque reference limiting in torque-controlled permanent magnet motor drives'20026,362,585'Controlling electric vehicle DC bus voltage ripple under step mode of operation'20026,288,515'System and method for controlling a surface-mounted permanent magnet synchronous machine drive over a wide speed range using a reference voltage'20016,262,896'Auxiliary power conversion for an electric vehicle using high frequency injection into a PWM inverter'20016,222,335'Method of controlling a voltage-fed induction machine'20016,208,540'Combined power inverter and auxilliary power supply using null vector modulation'20016,163,128'Method and drive system for controlling a permanent magnet synchronous machine'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2006Patents assigned to GEN MOTORS CORP (18)· patent assignee history
2000–2015Based in Anaheim, CA, US· patent location history
2007–2015Patents assigned to GM GLOBAL TECH OPERATIONS INC (27)· patent assignee history
2010–2021Based in Torrance, CA, US· patent location history
2011Based in Anahein, CA, US· patent location history
2012–2017Patents assigned to STANCU CONSTANTIN C (9)· patent assignee history
2012–2015Patents assigned to SAVAGIAN PETER J (4)· patent assignee history
2017–2021Patents assigned to GM GLOBAL TECH OPERATIONS LLC (12)· patent assignee history
2017–2019Based in Auburn Hills, MI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GM GLOBAL TECH OPERATIONS INC | 27 | 2007–2015 |
| GEN MOTORS CORP | 18 | 2000–2006 |
| GM GLOBAL TECH OPERATIONS LLC | 12 | 2017–2021 |
| STANCU CONSTANTIN Cself | 9 | 2012–2017 |
| SAVAGIAN PETER J | 4 | 2012–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Anaheim, California, US | 41 | 2000–2015 |
| Auburn Hills, MI, US | 9 | 2017–2019 |
| Torrance, California, US | 7 | 2010–2021 |
| Anahein, California, US | 1 | 2011 |