Patent · US Active

Method for heating an SCR system using resistive heating elements

US8448426B2 · kind B2 · utility

9Cited by

5References

12Claims

0Family size

Assignee

INERGY AUTOMOTIVE SYSTEMS RESEARCH (Societe Anonyme) · BE

Inventors

Frederic Peucat · Brussels, BE
Nicolas Duret · Nancy, FR
Jean-Claude Habumuremyi · Haaltert, BE
Francois Dougnier · Boortmeerbeek, BE
Stephane Leonard · Brussels, BE
Claude Mesjasz · Ganshoren, BE

Key dates

Filing date	Sep 12, 2008
Grant date	May 28, 2013
Priority date	—
Expiry date	Aug 17, 2029

Classification

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

Abstract

Method for heating a urea SCR system using at least two resistive heating elements (R1, R2), one of which (R1) is intended for heating one or some (part(s) of) component(s) always in contact with a substantial amount of urea and the other (R2) is intended for heating one or some (part(s) of) component(s) which are sometimes not in contact with a substantial amount of urea, and according to which, when starting the system in freezing conditions, the resistive element R1 is activated but the resistive element R2 is activated only when its component is actually in contact with a substantial amount of urea.

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