Inventor

LIU GUOHAI

US27 patents

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

LIU GUOHAI

UNIV JIANGSU

Motor with separated permanent magnet torque and reluctance torque and its optimal efficiency control

Fault-tolerant permanent-magnet Vernier cylindrical electric motor with electromagnetic suspension and fault-tolerant vector control method for short circuit of two adjacent phases

Fault-tolerant direct thrust-force control method for five-phase permanent-magnet linear motor with one open-circuit phase fault

Fault-tolerant field-oriented control method of five-phase interior permanent-magnet linear motor under two nonadjacent short-circuit phase faults

Double stator permanent magnet linear motor and design method for increasing magnetic field modulation

Short-circuit fault-tolerant control method based on deadbeat current tracking for five-phase permanent magnet motor with sinusoidal back-electromotive force or trapezoidal back-electromotive force

Fault-tolerant modular permanent magnet assisted synchronous reluctance motor and modular winding design method

Method for reducing electromagnetic vibration of permanent magnet motor with fractional slot concentrated winding

Method to reduce torque ripple of permanent magnet synchronous motor

SOUTHERN CO

Method and apparatus for the separation of a gas-solids mixture in a circulating fluidized bed reactor

Apparatus and methods for regeneration of precipitating solvent

Multi-stage circulating fluidized bed syngas cooling

Multi-stage circulating fluidized bed syngas cooling

Gasification of high ash, high ash fusion temperature bituminous coals

Second stage gasifier in staged gasification and integrated process

VIMALCHAND PANNALAL

Oxycombustion in transport oxy-combustor

High pressure feeder and method of operating to feed granular or fine materials

Carbon dioxide absorber and regeneration assemblies useful for power plant flue gas

Apparatus, components and operating methods for circulating fluidized bed transport gasifiers and reactors

Dispersed bubble reactor for enhanced gas-liquid-solids contact and mass transfer

Ash and solids cooling in high temperature and high pressure environment

LIU GUOHAI

Loop seal for recycling solids from a cyclone and fluidized bed reactor and method using the same

Continuous fine ash depressurization system

Continuous coarse ash depressurization system

Method and apparatus for cooling solid particles under high temperature and pressure

SOUTHERN CO SERVICES INC

High pressure feeder and method of operating to feed granular or fine materials

SYNTHESIS ENERGY SYSTEMS INC

Method and apparatus for fine solids recycle