CIRCULAR EXHAUST-DIFFUSER SYSTEM

GAS EXHAUST APPARATUS AND INTAKE LINE AUTOMATIC CLOSING APPARATUS USED FOR GAS EXHAUST APPARATUS

Engine aftertreatment recycling apparatus, and system and method using same

Assembly and method for braking the displacement of a tailpipe cover

Conditioning of the exhaust gas plume of a marine vessel

EXHAUST SYSTEM FOR VEHICLE

Water ingress preventing structure for tailpipe

Cyclonic thermal diffuser and method

Exhaust gas discharge inducing apparatus for vehicle

Attenuating engine noise using a reverse resonator

Exhaust system for an off-road vehicle

Exhaust gas guide for a road milling machine

Throttleable exhaust venturi

VARIABLE SUCTION EXHAUST

Filter purge system utilizing impact wave generating device and vacuum source

Engine gas temperature reduction

Exhaust Gas-Discharging Device of Vehicle

Method and apparatus for reducing exhaust gas including hydrocarbons during initial cold start period