Systems and methods for particulate filter cleaning
US-10156211-B1 · Dec 18, 2018 · US
Control of exhaust flow in an engine including a particulate filter
US9080482B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9080482-B2 |
| Application number | US-201314011651-A |
| Country | US |
| Kind code | B2 |
| Filing date | Aug 27, 2013 |
| Priority date | Sep 29, 2009 |
| Publication date | Jul 14, 2015 |
| Grant date | Jul 14, 2015 |
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Abstract
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Methods and systems for controlling operation of exhaust of an engine including a particulate filter are provided. One example method includes generating vacuum during engine operation, and storing the vacuum. The method further includes, during or after engine shutdown, drawing ambient air through the particulate filter via the vacuum.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method for a turbocharged engine, comprising: generating vacuum during engine operation; storing the vacuum; during or after engine shutdown, drawing ambient air through a particulate filter via the stored vacuum and closing a tailpipe valve downstream of the particulate filter, the drawing including drawing the ambient air from an intake system, through an LP-EGR system to the particulate filter to regenerate the particulate filter, and through…
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Cross-Sectional Technologies · mapped topic
Mechanical Engineering · mapped topic
- F01N3/0238Primary
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
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- What does patent US9080482B2 cover?
- Methods and systems for controlling operation of exhaust of an engine including a particulate filter are provided. One example method includes generating vacuum during engine operation, and storing the vacuum. The method further includes, during or after engine shutdown, drawing ambient air through the particulate filter via the vacuum.
- Who is the assignee on this patent?
- Ford Global Tech Llc
- What technology area does this patent fall under?
- Primary CPC classification F01N3/0238. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Jul 14 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).