Adding substances to exhaust gases

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F01Engines F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES

F01N2610/00Adding substances to exhaust gases

F01N2610/01the substance being catalytic material in liquid form F01N2610/02the substance being ammonia or urea F01N2610/03the substance being hydrocarbons F01N2610/04the substance being hydrogen F01N2610/05the substance being carbon monoxide F01N2610/06the substance being in the gaseous form F01N2610/08with prior mixing of the substances with a gas F01N2610/085Controlling the air supply F01N2610/10the substance being heated F01N2610/102after addition to exhaust gases F01N2610/105Control thereof F01N2610/107using glow plug heating elements F01N2610/11the substance or part of the dosing system being cooled F01N2610/12the substance being in solid form F01N2610/14Arrangements for the supply of substances F01N2610/1406Storage means for substances F01N2610/1413Inlet and filling arrangements therefore F01N2610/142Controlling the filling of the tank F01N2610/1426Filtration means F01N2610/1433Pumps F01N2610/144Control thereof F01N2610/1446Means for damping of pressure fluctuations in the delivery system F01N2610/1453Sprayers or atomisers Arrangement thereof in the exhaust apparatus F01N2610/146Control thereof F01N2610/1466Means for venting air out of conduits or tanks F01N2610/1473Overflow or return means for the substances F01N2610/148Arrangement of sensors F01N2610/1486Means to prevent the substance from freezing F01N2610/1493Purging the reducing agent out of the conduits or nozzle