Inventor

NAJT PAUL M

US114 patents

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

NAJT PAUL M

GM GLOBAL TECH OPERATIONS INC

NOx emission control for a controlled auto-ignition four-stroke internal combustion engine

Method for transition between controlled auto-ignition and spark ignition modes in direct fuel injection engines

Load transient control methods for direct-injection engines with controlled auto-ignition combustion

Speed transient control methods for direct-injection engines with controlled auto-ignition combustion

Method and apparatus to control operation of a homogeneous charge compression-ignition engine

Method of HCCI and SI combustion control for a direct injection internal combustion engine

Method and apparatus to operate a homogeneous charge compression-ignition engine

Method and apparatus to determine magnitude of combustion chamber deposits

Fuel adaptation in a homogeneous charge compression ignition engine

High load SI-HCCI transition by selective combustion mode switching

Method and device for improving charged engines

Hybrid powertrain with reversing engine and method of control

Method and apparatus to control transition between HCCI and SI combustion in a direct-injection gasoline engine

Light load and idle HCCI combustion control by fuel pressure modification

Method to improve combustion stability in a controlled auto-ignition combustion engine

Engine warm-up of a homogeneous charge compression ignition engine

Method and apparatus to control a transition between HCCI and SI combustion in a direct-injection gasoline engine

Method and apparatus for engine control during auto-ignition combustion

Homogeneous charge compression ignition engine operation

Method for load transient control between lean and stoichiometric combustion modes of direct-injection engines with controlled auto-ignition combustion

Passive ammonia-selective catalytic reduction for NOx control in internal combustion engines

Energy recovery system

Piston compound internal combustion engine with expander deactivation

GEN MOTORS CORP

Valve and fueling strategy for operating a controlled auto-ignition four-stroke internal combustion engine

Method for mid load operation of auto-ignition combustion

Auto-ignition gasoline engine combustion chamber and method

Combustion chamber including piston for a spark-ignition, direct-injection combustion system

Valve and fueling strategy for operating a controlled auto-ignition four-stroke internal combustion engine

Valve and fueling strategy for operating a controlled auto-ignition four-stroke internal combustion engine

Four stroke engine auto-ignition combustion

Dual mode engine combustion process

Spark ignition direct injection engine with oval fuel spray into oblong piston bowl

Injection strategy for operating a direct-injection controlled auto-ignition four-stroke internal combustion engine

GM GLOBAL TECH OPERATIONS LLC

Combustion ignition device for an internal combustion engine

Exhaust compound internal combustion engine with controlled expansion

Engine torque control with fuel mass

PERRY KEVIN L

Fuel efficient ammonia generation strategy for lean-burn engines utilizing passive NH3-SCR for the control of NOx

Hydrocarbon selective catalytic reduction for NOx control with gasoline-fueled spark ignition engines using engine-out hydrocarbons

Technique for production of ammonia on demand in a three way catalyst for a passive selective catalytic reduction system

NARAYANASWAMY KUSHAL

Technique for production of ammonia on demand in a three way catalyst for a passive selective catalytic reduction system

Method for exhaust aftertreatment in an internal combustion engine

LI WEI

Catalyst materials for NOx oxidation in an exhaust aftertreatment system that uses passive ammonia SCR

Method and apparatus for ammonia formation in a catalytic converter

WERMUTH NICOLE

Method to enchance light load HCCI combustion control using measurement of cylinder pressures

Method for controlling a spark-ignition direct-injection internal combustion engine at low loads

NAJT PAUL M

Engine warm-up of a homogeneous charge compression ignition engine

Opposed free piston linear alternator

CLEARY DAVID J

Method and apparatus for continuously variable differential phasing of engine valve operation

UNIV MICHIGAN

Method for mid load operation of auto-ignition combustion

YUN HANHO

Method and apparatus for engine operation in homogeneous charge compression ignition and spark ignition