Zoned electrical heater arranged in spaced relationship from particulate filter

Patent · Tue Nov 15 00:00:00 EST 2011

OSTI ID:1033237

Gonze, Eugene V ^[1]

---

1. Pinckney, MI

A system comprises a particulate matter (PM) filter that comprises an upstream end for receiving exhaust gas and a downstream end. A zoned heater is arranged spaced from the upstream end and comprises N zones, where N is an integer greater than one, wherein each of the N zones comprises M sub-zones, where M is an integer greater than one. A control module selectively activates at least a selected one of the N zones to initiate regeneration in downstream portions of the PM filter from the one of the N zones and deactivates non-selected ones of the N zones.

• Research Organization: GM Global Technology Operations LLC
• Sponsoring Organization: USDOE
• DOE Contract Number: FC04-03AL67635
• Assignee: GM Global Technology Operations LLC (
• Patent Number(s): 8,057,581
• Application Number: 11/959,753
• OSTI ID: 1033237
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING