Method and device for operating an internal combustion engine

Purification system

EXHAUST SYSTEM, CONTROLLER AND METHOD FOR AN INTERNAL COMBUSTION ENGINE

AIR SUPPLY TO AN INTERNAL COMBUSTION ENGINE AND METHOD AND DEVICE FOR DIAGNOSING AN AIR SUPPLY TO AN INTERNAL COMBUSTION ENGINE

Exhaust gas aftertreatment system

Device increasing engine efficiency and reducing exhaust and noise

Air filter with a primary air outlet and a secondary air outlet as well as filter element therefor

Aspiration system for a work vehicle including an adjustably-sized venturi section

Aspiration system for a work vehicle

Systems and methods for purging a reductant insertion assembly of a reductant

Proactive catalyst heating

Venturi exhaust gas cooler

Reducing agent supplying device

Filter device

Engine equipped with secondary air supply device

Engine equipped with secondary air supply device

Exhaust gas purification device for general-purpose engine

Exhaust purifying apparatus of saddle-ride type vehicle

Drive device

SECONDARY AIR SUPPLY DEVICE FOR INTERNAL COMBUSTION ENGINE

Metering system for reducing pollutants in motor vehicle exhaust gases

Secondary air supply system for an exhaust port of an engine

Air pump having valve controlled by self-pressure

Method and apparatus for shutting down a fuel-fired burner of an emission abatement assembly

Method and apparatus for cooling the components of a control unit of an emission abatement assembly

Method and apparatus for controlling the temperature of a fuel-fired burner of an emission abatement assembly

Method and apparatus for cleaning the electrodes of a fuel-fired burner of an emission abatement assembly

Method and apparatus for operating an airless fuel-fired burner of an emission abatement assembly

Exhaust gas muffler

Intake air filter for an internal combustion engine