Patent ID: 9714595
Date: 2017-07-25
CPC Classifications: F01N,Y02A,Y02T

Claim:
1. A storage tank ( 12 ) of a metering system ( 10 ) for introducing a reducing agent ( 32 ) in an exhaust gas tract of an internal combustion engine, the storage tank ( 12 ) bounded by tank walls ( 14 ), a tank ceiling ( 16 ) and a tank bottom ( 18 ) and comprising at least one opening ( 50 ) for mounting a spill basin ( 20 ) and/or a heating element ( 24 ) closed by a flange ( 54 ), an opening for filling and emptying ( 46 , 48 ), and a venting opening ( 62 ), thereby characterized in that the spill basin ( 20 ) rests on an inside of the tank bottom ( 18 ) and that all of the openings ( 46 , 48 , 50 , 62 ) are located in a tank ceiling ( 16 ) above a region of said storage tank ( 12 ) flooded by the reducing agent ( 32 ) above a fluid level ( 42 ) of the reducing agent ( 32 ) and that openings for a supply line ( 38 , 60 ) and a return line ( 58 ) are in the flange ( 54 ).