Electrically heated particulate filter with reduced stress

Gonze, Eugene V.

Title: Electrically heated particulate filter with reduced stress

Patent · Tue Mar 05 00:00:00 EST 2013

OSTI ID:1083470

Gonze, Eugene V.

A system comprises a particulate matter (PM) filter comprising an inlet for receiving exhaust gas. A zoned heater is arranged in the inlet and comprises a resistive heater comprising N zones, where N is an integer greater than one. Each of the N zones comprises M sub-zones, where M is an integer greater than one. A control module selectively activates one of the N zones to initiate regeneration in downstream portions of the PM filter from the one of the N zones and deactivates others of the N zones.

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Research Organization:: GM Global Technology Operations LLC

Sponsoring Organization:: USDOE

DOE Contract Number:: FC04-03AL67635

Assignee:: GM Global Technology Operations LLC

Patent Number(s):: 8,388,741

Application Number:: 11/956,722

OSTI ID:: 1083470

Country of Publication:: United States

Language:: English

References (37)

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