Particulate filter
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
-
Dec 24, 2024
Grant Date -
Aug 22, 2024
app pub date -
Dec 9, 2021
filing date -
Dec 9, 2021
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The technology disclosed herein provides a particulate filter that can appropriately avoid PM from passing toward the outlet cell and can exhibit an excellent PM capturing performance. The particulate filter 1 disclosed herein includes: an outercoat layer 20 provided on an inlet surface 16a of a partition 16 of a base material 10. The outercoat layer 20 at least includes: a lower layer 22 provided on the inlet surface 16a of the partition 16; and an upper layer 24 provided to cover the lower layer 22. The mean particle diameter of granules contained in the upper layer 24 is higher than the mean particle diameter of granules contained in the lower layer. The mean particle diameter of the granules in the lower layer 22 is from 0.4 μm to 2.0 μm inclusive, and the mean particle diameter of the granules in the upper layer 24 is from 2.0 μm to 7.0 μm inclusive. With such a configuration, PM can be captured in an inlet cell 12, thereby suitably avoiding PM from passing toward an outlet cell 14 and exhibiting an excellent PM capturing performance.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2021 Application Filing Year
- F01N Class
- 751 Applications Filed
- 486 Patents Issued To-Date
- 64.72 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- F01N Class
- 0 % this patent is cited more than
- 1 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Jun 24, 2028 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jun 24, 2032 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jun 24, 2036 |