Exhaust purification device for internal combustion engine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 30, 2018
Issued Date -
N/A
app pub date -
Aug 26, 2014
filing date -
Oct 22, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Micropore zones ZMI are defined at upstream sides of partition walls 72 of a particulate filter and macropore zones ZMA are defined at downstream sides of partition walls. The pore size of the partition walls at the micropore zones is set so that the particulate matter and the ash can be trapped by the partition walls at the micropore zones, while the pore size of the partition walls at the macropore zones is set so that the ash can pass through the partition walls at the macropore zones. When a quantity of trapped particulate matter is smaller than a limit quantity, control for increasing gas which temporarily increases the flow rate of the gas which flows into the particulate filter in order to remove the ash from the particulate filter, is performed.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2014 Application Filing Year
- F01N Class
- 1086 Applications Filed
- 960 Patents Issued To-Date
- 88.40 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- F01N Class
- 0 % this patent is cited more than
- 7 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jul 30, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 30, 2029 |
