Title:
SENSOR
Document Type and Number:
WIPO Patent Application WO/2015/198884
Kind Code:
A1
Abstract:
The present invention relates to a particular matter sensor and effectively shortens regeneration time while estimating the amount of particulate matter that is included in exhaust gas in real time. A sensor is provided with: a filter member (31) comprising a plurality of measurement cells that are partitioned by a porous partition wall and that capture particulate matter within exhaust gas; at least one pair of electrode members (32, 33) that are arranged so as to face each other with the measurement cells sandwiched therebetween and that form a capacitor; a heater member (34) that heats the measurement cells and burns and removes particulate matter that has accumulated in the measurement cells; and an estimation unit (42) that estimates the amount of particulate matter that is included in the exhaust gas on the basis of the capacitance between the pair of electrode members (32, 33).
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Inventors:
UCHIYAMA TADASHI (JP)
MURASAWA NAOTO (JP)
HANAWA SATOSHI (JP)
MURASAWA NAOTO (JP)
HANAWA SATOSHI (JP)
Application Number:
PCT/JP2015/066895
Publication Date:
December 30, 2015
Filing Date:
June 11, 2015
Export Citation:
Assignee:
ISUZU MOTORS LTD (JP)
International Classes:
G01N27/22; F01N3/023; B01D46/42
Domestic Patent References:
| WO2014129447A1 | 2014-08-28 |
Foreign References:
| JP2003098135A | 2003-04-03 | |||
| JP2012093287A | 2012-05-17 | |||
| JPH06257422A | 1994-09-13 | |||
| JP2013205034A | 2013-10-07 | |||
| JP2012241643A | 2012-12-10 |
Other References:
See also references of EP 3159685A4
Attorney, Agent or Firm:
KINUTANI Nobuo (JP)
Nobuo Kinutani (JP)
Nobuo Kinutani (JP)
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