Electrically heated particulate filter embedded heater design
Patent
·
OSTI ID:1136752
An exhaust system that processes exhaust generated by an engine is provided. The system generally includes a particulate filter (PF) that filters particulates from the exhaust wherein an upstream end of the PF receives exhaust from the engine and wherein an upstream surface of the particulate filter includes machined grooves. A grid of electrically resistive material is inserted into the machined grooves of the exterior upstream surface of the PF and selectively heats exhaust passing through the grid to initiate combustion of particulates within the PF.
- Research Organization:
- GM Global Technology Operations LLC, Detroit, MI (USA).
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- FC04-03AL67635
- Assignee:
- GM Global Technology Operations LLC (Detroit, MI)
- Patent Number(s):
- 8,763,378
- Application Number:
- 11/876,121
- OSTI ID:
- 1136752
- Country of Publication:
- United States
- Language:
- English
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