P

Inventor

LIU SHENGYI

US94 patents
⚠️ This page may combine multiple inventors who share the name “LIU SHENGYI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BOEING CO

39 patents
US8345454B1Jan 1, 2013

Architecture and control method for dynamically conditioning multiple DC sources to driven an AC load

BOEING CO56 citations96
US9048726B1Jun 2, 2015

Power system having repetitive control in symmetric sequences with harmonics cancellation

BOEING CO23 citations91
US8964432B2Feb 24, 2015

Apparatus and method for controlling circulating current in an inverter system

BOEING CO24 citations91
US10177698B1Jan 8, 2019

Counter-field winding in electrical generator

BOEING CO8 citations84
US9425693B2Aug 23, 2016

Systems and methods for high power DC/DC conversion using voltage converter cells

BOEING CO9 citations84
US9209721B2Dec 8, 2015

Systems and methods for the control and operation of a parallel motor controller architecture

BOEING CO14 citations84
US9209741B2Dec 8, 2015

Method and system for controlling synchronous machine as generator/starter

BOEING CO18 citations84
US9046912B1Jun 2, 2015

Thermally balanced parallel operation of transistors

BOEING CO13 citations84
US9331594B2May 3, 2016

Conversion system for converting direct current into alternating current

BOEING CO7 citations83
US8710786B1Apr 29, 2014

High performance actuator motor

BOEING CO12 citations83
US9496713B1Nov 15, 2016

Architecture and control method for dynamically conditioning multiple DC sources to drive an AC load

BOEING CO6 citations82
US10454393B2Oct 22, 2019

Balancing current within a parallel modular converter system

BOEING CO9 citations79
US11608186B2Mar 21, 2023

Impedance balancing for noise filtering in electric drive systems

BOEING CO2 citations73
US11567145B2Jan 31, 2023

Battery management system for early detection of a battery cell internal short-circuit

BOEING CO2 citations73
US10934880B1Mar 2, 2021

Electrical generation from turbine engines

BOEING CO4 citations73
US10622931B1Apr 14, 2020

Negative-slope voltage-frequency for starting a variable frequency independent speed motor and speed control

BOEING CO4 citations73
US10547269B2Jan 28, 2020

Variable frequency independent speed motor

BOEING CO4 citations73
US10415530B2Sep 17, 2019

System and method for operating an independent speed variable frequency generator as a starter

BOEING CO2 citations73
US9991719B2Jun 5, 2018

Systems and methods for reducing circulating current and phase to phase imbalance in a parallel modular converter system

BOEING CO6 citations73
US9804613B2Oct 31, 2017

Parallel transistor circuit controller

BOEING CO2 citations73
US9670913B2Jun 6, 2017

Plasma actuating propulsion system for aerial vehicles

BOEING CO2 citations73
US9647455B2May 9, 2017

EMI filter systems and methods for parallel modular converters

BOEING CO3 citations73
US9564845B2Feb 7, 2017

System and method for generator main field energy extraction

BOEING CO3 citations73
US9449739B2Sep 20, 2016

High power, high frequency power cable

BOEING CO3 citations73
US9287726B2Mar 15, 2016

Virtual cell for battery thermal management

BOEING CO3 citations73
US10184990B2Jan 22, 2019

Programmable alternating current (AC) load having regenerative and dissipative modes

BOEING CO2 citations72
US10020759B2Jul 10, 2018

Parallel modular converter architecture for efficient ground electric vehicles

BOEING CO2 citations72
US9991778B2Jun 5, 2018

Balancing current within a modular converter system

BOEING CO2 citations72
US9401633B2Jul 26, 2016

Three-phase inverter with a repositioned choke

BOEING CO3 citations72
US11495982B2Nov 8, 2022

System and method for allocating propulsion load power drawn from high-energy and high-power batteries

BOEING CO6 citations71
US9533638B2Jan 3, 2017

Aircraft universal power converter

BOEING CO3 citations71
US10396554B2Aug 27, 2019

Power distribution control within a modular converter system using efficiency calculations

BOEING CO5 citations69
US12034306B1Jul 9, 2024

Hybrid turbine and multiple-spool electric power system for aircraft

BOEING CO2 citations68
US12152539B2Nov 26, 2024

Direct drive electrically-geared turbofan

BOEING CO0 citations63
US11988154B2May 21, 2024

Direct drive electrically-geared turbofan

BOEING CO0 citations63
US11848634B2Dec 19, 2023

Method and system for operating a variable frequency independent speed motor in an extended speed range

BOEING CO0 citations63
US11643973B2May 9, 2023

Electrically geared turbofan

BOEING CO0 citations63
US11362567B2Jun 14, 2022

Electrical power generation from turbine engines

BOEING CO1 citations63
US11193426B2Dec 7, 2021

Electrically geared turbofan

BOEING CO0 citations63

KHOZIKOV VYACHESLAV

4 patents

GAO LIJUN

3 patents

KROLAK MATTHEW JOSEPH

1 patent

KARIMI KAMIAR J

1 patent

PARSA LEILA

1 patent

WANG DUANYANG

1 patent

Showing the top 50 of 94 patents by PatentIndex Score.