Patent · US Active

SCR system and a method of purging it

US9353660B2 · kind B2 · utility

2Cited by

0References

11Claims

0Family size

Assignee

INERGY AUTOMOTIVE SYSTEMS RESEARCH (Societe Anonyme) · BE

Inventors

Frederic Jannot · Bousval, BE
Franck Dhaussy · Margny-lès-Compiègne, FR
Stephane Leonard · Brussels, BE

Key dates

Filing date	Nov 25, 2013
Grant date	May 31, 2016
Priority date	—
Expiry date	Nov 25, 2033

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/12
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

There is provided a system for storing and injecting an additive into exhaust gas from an internal combustion engine, the system comprising a tank for storing the additive, an injector, and a pump for driving the additive from the tank to the injector via an injection channel, the system also comprising a purge device mounted between the pump and the injection channel. The purge device comprises a chamber and piston moving equipment slidably mounted in the chamber, the purge device being designed so that:

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