Patent ID: 9249709
Filing Date: 2016-02-02
CPC Classification: F01N,Y02A,Y02T,Y10T

Claim Text:
1. A device for providing liquid reducing agent, the device comprising: a tank having an interior space; a vessel disposed at least partially in said interior space of said tank; a filter at least partially outwardly surrounding said vessel and having a filter surface and a filter depth; and a delivery unit disposed in said vessel, said delivery unit having a pump, a heater disposed inside said vessel, and an extraction point disposed outside said tank for issuing reducing agent from said delivery unit and said delivery unit configured to deliver reducing agent from said tank, through said filter to said extraction point; said delivery unit having an extraction opening at said vessel for extracting reducing agent from said tank to said delivery unit; said filter being disposed such that reducing agent in said tank flows through said filter prior to flowing into said extraction opening and into an inner region of said vessel and into said delivery unit.