Inventor

SZYMKOWICZ PATRICK G

US19 patents

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

SZYMKOWICZ PATRICK G

GM GLOBAL TECH OPERATIONS INC

Method for controlling fuel injection in a compression ignition engine

Internal combustion engine exhaust gas recirculation control

Simultaneous EGR correction and individual cylinder combustion phase balancing

Method for internal combustion engine control using pressure ratios

Method and apparatus for determining piston position in an engine

Modulating flow through an exhaust gas recirculation cooler to maintain gas flow velocities conducive to reducing deposit build-ups

Exhaust gas recirculation cooler and system

GEN MOTORS CORP

After-treatment system and method for reducing emissions in diesel engine exhaust

Method for reducing engine exhaust emissions

Hydrogen and oxygen generation from a water vapor containing exhaust

GM GLOBAL TECH OPERATIONS LLC

Method and apparatus to recover exhaust gas recirculation coolers

Hydrocarbon adsorption and desorption control in vehicle exhaust systems using H2O traps

Exhaust gas treatment system for controlling hydrocarbon adsorption/desorption in hydrocarbon trap

KNAFL ALEXANDER

Modulating hydrodynamic flow characteristics to alleviate automotive heat exchanger contamination

Heat exchanger method and apparatus for engine exhaust gas recirculation system

Exhaust Gas Recirculation cooler cleaner having active material actuator

SOLOMON ARUN S

Direct-injection spark-ignition system

BALESTRINO SANDRO R

Method and apparatus for monitoring performance of EGR heat exchanger

BROWNE ALAN L

Exhaust gas recirculation system having active material actuated by-pass