Patent ID: 7912360
Filing Date: 2011-03-22
Classification: B60K,B60S,F01N,F02M,F02N,Y02A,Y02T

Abstract:
1. A tank system for providing a selected cold start volume of an operating liquid required by a liquid consumer after a cold start, the tank system comprising a main tank containing an operating liquid comprising a urea solution, the main tank including a filling opening through which an interior of the main tank can be filled with operating liquid, a melting device comprising a melt tank and a discharge opening, the melt tank enclosing a melting space and comprising an inlet opening through which the melting space can be filled from the interior of the main tank with the operating liquid, and the melting device comprising a cold start heater for melting operating liquid frozen in the melting space, wherein the melting space is at least as large as the cold start volume and is smaller than the interior of the main tank.