Patent · US Active

Internal combustion engine

US10934915B2 · kind B2 · utility

0Cited by

2References

14Claims

0Family size

Assignee

DEUTZ AKTIENGESELLSCHAFT · DE

Inventors

Ralph Stengel · Cologne, DE
Dominic P. Weber · Pulheim, DE
Peter Broll · Bensberg, DE
Daniel Dammer · Cologne, DE

Key dates

Filing date	Aug 7, 2017
Grant date	Mar 2, 2021
Priority date	—
Expiry date	Aug 7, 2037

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF01N2610/148
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

An internal combustion engine including a urea-water solution injection in the exhaust system, includes at least one urea-water solution tank, at least one pump, at least one intake line leading to the pump, at least one urea-water solution metering valve which is connected to the pump with the aid of a pressure line, and at least one return line which leads from the pump to the urea-water solution tank and at whose end opposite to the pump a filter element is situated, as well as at least one urea-water solution sensor situated in the urea-water solution tank.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.