Inventor

NAGASHIMA JAMES M

US50 patents

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

NAGASHIMA JAMES M

GEN MOTORS CORP

Doubled-ended inverter drive system topology for a hybrid vehicle

Unified power control method of double-ended inverter drive systems for hybrid vehicles

Position sensorless control algorithm for AC machine

Electrical motor power management system

Integrated power electronics cooling housing

Cooling arrangements for integrated electric motor-inverters

Position sensor fault tolerant control for automotive propulsion system

Gearless wheel motor drive system

Position sensorless control algorithm for AC machine

Power electronics system with fully-integrated cooling

Cooling and handling of reaction torque for an axial flux motor

Rotor magnet placement in interior permanent magnet machines

Wheel motor system

Apparatus and method for controlling permanent magnet electric machines

Method and system for improved thermal management of a voltage source inverter operating at low output frequency utilizing a zero vector modulation technique

Methods and apparatus for fault-tolerant control of electric machines

Utilizing zero-sequence switchings for reversible converters

Auxiliary power conversion by phase-controlled rectification

Rotor resistance adaptation for indirect field oriented control of induction machine

Inverter for electric and hybrid powered vehicles and associated system and method

Position-sensorless control of interior permanent magnet machines

Integrated electric power take-off system

Method and system for managing processor execution time utilizing variable frequency switching

Auxiliary power generation in a motor transformer

GM GLOBAL TECH OPERATIONS INC

Power module having self-contained cooling system

Discontinuous pulse width modulation for double-ended inverter system

Double ended inverter system with a cross-linked ultracapacitor network

Double-ended inverter system with isolated neutral topology

Series-coupled two-motor drive using double-ended inverter system

System for using a multi-phase motor with a double-ended inverter system

Efficient operating point for double-ended inverter system

Method and apparatus for sensorless position control of a permanent magnet synchronous motor (PMSM) drive system

Double ended inverter system with an impedance source inverter subsystem

Hybrid motor boost system and methods

Current regulator and current control method and system for AC motors

Cooling systems and methods for integration electric motor-inverters

Method and system for controlling permanent magnet motor drive systems

Two-source inverter

High power permanent magnet alternator with improved controlled output

Compact terminal assembly for power converters

NAGASHIMA JAMES M

Method and system for creating a vibration in an automobile

Double-ended inverter drive system for a fuel cell vehicle and related operating method

GALLEGOS-LOPEZ GABRIEL

Methods, systems and apparatus for controlling operation of two alternating current (AC) machines

Methods, systems and apparatus for controlling operation of two alternating current (AC) machines

NELSON DAVID F

Power electronics devices with integrated control circuitry

Power electronics devices with integrated gate drive circuitry

SMITH GREGORY S

Double ended inverter system for a vehicle having two energy sources that exhibit different operating characteristics

JOHN GEORGE

Charging energy sources with a rectifier using double-ended inverter system

WARD TERENCE G

Capacitor with direct DC connection to substrate

UT BATTELLE LLC

Motor stator using corner scraps for additional electrical components