Inventor

GAO LIJUN

US52 patents

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

GAO LIJUN

BOEING CO

Counter-field winding in electrical generator

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

Method and system for controlling synchronous machine as generator/starter

Thermally balanced parallel operation of transistors

Balancing current within a parallel modular converter system

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

Variable frequency independent speed motor

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

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

Parallel transistor circuit controller

EMI filter systems and methods for parallel modular converters

System and method for generator main field energy extraction

High power, high frequency power cable

Virtual cell for battery thermal management

Power distribution control within a modular converter system using efficiency calculations

Direct drive electrically-geared turbofan

Direct drive electrically-geared turbofan

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

Thin haul hybrid electric propulsion system

Independent speed variable frequency based electrified propulsion system architecture

Independent speed variable frequency alternating current generator

Externally modulated independent speed variable frequency generator

Parallel modular converter architecture

Bus transfer for a flight test system

Stator secondary windings to modify a permanent magnet (PM) field

Variable frequency independent speed motor control based on flux estimate

Independent-speed-variable-frequency-generator-based constant frequency and narrow-band variable frequency power systems and methods

Synchronous machine with common motor/generator exciter stage

Counter-field winding in electrical generator

Synchronous machine with common motor/generator exciter stage

Method and system for regulating cryogenic vapor pressure

Virtual cell method for battery management

System and method for fuel cell degradation management

Method and system for independent-speed-variable-frequency-generator-based power system voltage regulation

Parallel modular converter architecture

Architecture for an electric power generator for aviation

GAO LIJUN

Multifunctional power converter

Thermoelectric generator and fuel cell for electric power co-generation

Stretched intersection and signal warning system

System for monitoring a battery charger

Thermoelectric generator on an aircraft bleed system

Apparatus for communication, expression, displaying pictures and greeting

Water harvesting system

Thermoelectric power generation from power feeder

ANALOG DEVICES INC

Quality factor compensation in microelectromechanical system (MEMS) gyroscopes

Data reduction techniques in a LIDAR system

WANG DUANYANG

System and methods for high power DC/DC converter

SUZHOU GAOBO ENERGY STORAGE SCITECH CO LTD

Iron-based cathode material for sodium-ion battery, preparation method thereof, and corresponding sodium-ion full battery

LIU SHENGYI

Method and system for regulating cryogenic vapor pressure

KROLAK MATTHEW JOSEPH

Integrated control architecture and method for a bi-directional AC-to-AC converter