Inflatable engine protection system for recoverable rocket boost

Integrated air injection and exhaust gas recirculation system

Internal combustion engine

Internal combustion engine

Internal combustion engine

Internal combustion engine

Internal combustion engine

Internal combustion engine control with fast exhaust catalyst wa

Internal combustion engine exhaust emission control system with

Internal combustion engine having a low-pressure exhaust-gas...

Internal combustion engine having lean NOx catalyst

Internal combustion engine of cleaned exhaust gas

Internal combustion engine with at least two cylinder banks

Internal combustion engine with emission control systems

Internal combustion engine with exhaust gas recirculation system

Internal combustion engine, particularly Otto engine

Internal combustion gasoline engine