Patent ID: 9057305
Filing Date: 2015-06-16
Classification: F01N,Y02T

Abstract:
1. A reservoir tank for a reducing agent ( 1 ), comprising an outer container ( 2 ) and a pot-shaped inner container ( 3 ) which limits a first partial volume ( 4 ) of a volume ( 5 ) of the outer container ( 2 ), a heating element ( 6 ) in the inner container ( 3 ) and an extraction device ( 7 ) for extracting the reducing agent ( 1 ), characterized in that the pot-shaped inner container ( 3 ) is surrounded in a floor region by an insulated collar ( 8 ) comprising a first limb ( 9 ) led to the outer circumferential surface ( 11 ) of said inner container ( 3 ) and a second limb ( 10 ) contacting a floor surface ( 12 ) of said outer container ( 2 ), such that the insulated collar ( 8 ) limits an additional second partial volume ( 13 ) of the volume ( 5 ) of said outer container ( 2 ).