Microwave mode shifting antenna system for regenerating particulate filters

Patent · Tue Apr 26 00:00:00 EDT 2011

OSTI ID:1016682

Gonze, Eugene V ^[1]; Kirby, Kevin W ^[2]; Phelps, Amanda ^[3]; Gregoire, Daniel J ^[4]

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1. Pinckney, MI
2. Calabasas Hills, CA
3. Malibu, CA
4. Thousand Oaks, CA

A regeneration system comprises a particulate matter (PM) filter including a microwave energy absorbing surface, and an antenna system comprising N antennas and an antenna driver module that sequentially drives the antenna system in a plurality of transverse modes of the antenna system to heat selected portions of the microwave absorbing surface to regenerate the PM filter, where N is an integer greater than one. The transverse modes may include transverse electric (TE) and/or transverse magnetic (TM) modes.

• Research Organization: GM Global Technology Operations, Inc.
• Sponsoring Organization: USDOE
• DOE Contract Number: FC04-03AL67635
• Assignee: GM Global Technology Operations, Inc.
• Patent Number(s): 7,931,727
• Application Number: US Patent Application 11/972,952
• OSTI ID: 1016682
• Country of Publication: United States
• Language: English

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