Exhaust treatment method and apparatus having particulate filters and scr
US-2024159174-A1 · May 16, 2024 · US
Diesel exhaust fluid tank venting system
US8967181B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8967181-B2 |
| Application number | US-201213353111-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 18, 2012 |
| Priority date | Jan 18, 2011 |
| Publication date | Mar 3, 2015 |
| Grant date | Mar 3, 2015 |
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Abstract
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An exhaust after-treatment system associated with a diesel engine includes a diesel exhaust fluid storage unit. The storage unit includes a diesel exhaust fluid tank and a vent system coupled to the tank and configured to regulate flow of air into the tank and fluid vapor out of the tank.
First claim
Opening claim text (preview).
The invention claimed is: 1. A diesel exhaust fluid storage unit adapted to supply a metered amount of diesel exhaust fluid provided in a diesel exhaust fluid tank to a mixing zone in an exhaust pipe coupled to a diesel engine, the diesel exhaust fluid storage unit comprising a diesel exhaust fluid tank venting control unit formed to include a fill-limit valve module adapted to receive diesel exhaust fluid from a diesel exhaust fluid tank, a breather-valve module exposed to the at…
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Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
Operations & Transport · mapped topic
Cross-Sectional Technologies · mapped topic
Cross-Sectional Technologies · mapped topic
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Frequently asked questions
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- What does patent US8967181B2 cover?
- An exhaust after-treatment system associated with a diesel engine includes a diesel exhaust fluid storage unit. The storage unit includes a diesel exhaust fluid tank and a vent system coupled to the tank and configured to regulate flow of air into the tank and fluid vapor out of the tank.
- Who is the assignee on this patent?
- Wetzel Paul C, Crawford Jason M, Stant Usa Corp
- What technology area does this patent fall under?
- Primary CPC classification F01N3/208. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Mar 03 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).