Method and system for exhaust particulate matter sensing

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United States of America Patent

PATENT NO 10100703
APP PUB NO 20170321589A1
SERIAL NO

15145117

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Abstract

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Methods and systems are provided for a particulate matter (PM) sensor assembly positioned downstream of a diesel particulate filter in an exhaust system. In one example, a method may include rotating the PM sensor assembly inside an exhaust passage to generate an output, the rotation based on exhaust flow conditions within the exhaust passage. By rotating the PM sensor assembly via a bearing, a rate of soot particulate accumulation on a sensor element of the assembly may be maintained at a desired level, and independent of a direction of exhaust flow inside the exhaust passage.

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Patent Owner(s)

  • FORD GLOBAL TECHNOLOGIES, LLC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Zhang, Xiaogang Novi, US 182 844

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