Title:
EXHAUST PURIFICATION DEVICE, INTERNAL COMBUSTION ENGINE AND VEHICLE
Document Type and Number:
Japanese Patent JP2021055599
Kind Code:
A
Abstract:
To provide an exhaust purification device, an internal combustion engine and a vehicle capable of accurately estimating a collection amount of particulate matters at a collection section.SOLUTION: An exhaust purification device 100 comprises: an exhaust pipe 110 where exhaust gas generated in an internal combustion engine 1 flows therein; a collection section 220 which is installed in the exhaust pipe 110 and collects particulate matters in the exhaust gas; a plurality of detection sections 120, 130 and 140 which is installed in the exhaust pipe at an upstream side of the collection section 220 and detects the particulate matters; and an estimation section 300 which estimates a collection amount of the particulate matters at the collection section 220 on the basis of the detection results of the plurality of detection sections 120, 130 and 140. The plurality of detection sections 120, 130 and 140 individually outputs detection signals representing the detection of the particulate matters at timings different from each other.SELECTED DRAWING: Figure 1
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Inventors:
MIZUKAMI SUNAO
Application Number:
JP2019178935A
Publication Date:
April 08, 2021
Filing Date:
September 30, 2019
Export Citation:
Assignee:
ISUZU MOTORS LTD
International Classes:
F01N3/023; F01N3/00; F01N3/24; F02D45/00
Attorney, Agent or Firm:
Washeda International Patent Office