Exhaust purification device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10677123
APP PUB NO 20180038251A1
SERIAL NO

15552218

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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There is provided a first PM sensor provided upstream of a filter and including a first sensor filter having a plurality of first cells collecting PM in the exhaust gas to be introduced into the filter, and a first pair of electrodes arranged to face each other with the first cell interposed therebetween, a second PM sensor provided downstream of the filter and including a second sensor filter having a plurality of second cells collecting PM in the exhaust gas discharged from the filter, and a second pair of electrodes arranged to face each other with the second cell interposed therebetween, and a filter state determination unit for acquiring an efficiency of collecting the PM in the filter, based on a first electrostatic capacitance between the first pair of electrodes and a second electrostatic capacitance between the second pair of electrodes.

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Patent Owner(s)

  • ISUZU MOTORS LIMITED

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hanawa, Satoshi Fujisawa, JP 18 54
Uchiyama, Tadashi Kamakura, JP 59 480

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