Inventor
NIU GENG
US17 patents
⚠️ This page may combine multiple inventors who share the name “NIU GENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KARMA AUTOMOTIVE LLC
15 patentsUS11282640B2Mar 22, 2022
DC link capacitor cooling system
KARMA AUTOMOTIVE LLC2 citations72
US10879659B2Dec 29, 2020
Variable connection retention system
KARMA AUTOMOTIVE LLC3 citations72
US11093018B2Aug 17, 2021
Sleep-wake control circuit for battery powered electronic device
KARMA AUTOMOTIVE LLC2 citations65
US11621656B2Apr 4, 2023
Electric motor drive system for a vehicle
KARMA AUTOMOTIVE LLC0 citations61
US11251726B2Feb 15, 2022
Inverter system for an electric vehicle
KARMA AUTOMOTIVE LLC1 citations61
US11159108B2Oct 26, 2021
Electric motor drive system for a vehicle
KARMA AUTOMOTIVE LLC0 citations61
US10978980B2Apr 13, 2021
Switched reluctance motor control
KARMA AUTOMOTIVE LLC1 citations61
US12179780B2Dec 31, 2024
Method for online direct estimation and compensation of flux and torque errors in electric drives
KARMA AUTOMOTIVE LLC0 citations55
US11967911B2Apr 23, 2024
Method for direct voltage saturation calculation and prevention of inverter voltage saturation
KARMA AUTOMOTIVE LLC0 citations55
US11305784B2Apr 19, 2022
Method for online direct estimation and compensation of flux and torque errors in electric drives
KARMA AUTOMOTIVE LLC0 citations55
US11235676B2Feb 1, 2022
Combined converter circuit
KARMA AUTOMOTIVE LLC0 citations54
US11101757B2Aug 24, 2021
Polar method for electric motor software calibration considering inverter voltage loss
KARMA AUTOMOTIVE LLC0 citations49
US11450477B2Sep 20, 2022
Phase-shift autotransformer, multi-pulse rectifier systems and fast charging
KARMA AUTOMOTIVE LLC0 citations46
US10879832B2Dec 29, 2020
Method for detection of e-motor open-phase problem in electrified powertrain
KARMA AUTOMOTIVE LLC0 citations46
US11851064B2Dec 26, 2023
Vehicle drive system
KARMA AUTOMOTIVE LLC0 citations42