Engine aftertreatment system
US-11905873-B1 · Feb 20, 2024 · US
Reductant injection control system
US9080487B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9080487-B2 |
| Application number | US-201213690090-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 30, 2012 |
| Priority date | Nov 30, 2012 |
| Publication date | Jul 14, 2015 |
| Grant date | Jul 14, 2015 |
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Abstract
Official abstract text for this publication.
An exhaust system including a plurality of exhaust treatment devices, plurality of injectors for dosing an exhaust treatment fluid into an exhaust stream, and a controller for controlling each of the plurality of injectors. The controller actively controls an amount of exhaust treatment fluid dosed into the exhaust stream by each of the plurality of injectors based on at least one of an exhaust flow rate and a temperature of the exhaust stream.
First claim
Opening claim text (preview).
What is claimed is: 1. An exhaust system, comprising: a plurality of exhaust treatment devices arranged in parallel flow paths; a plurality of injectors for dosing an exhaust treatment fluid into an exhaust stream located in the parallel flow paths; a thermal enhancement device provided in each parallel flow path; and a controller for controlling each of the plurality of injectors and each of the thermal enhancement devices, wherein the controller actively controls an amou…
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Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
Cross-Sectional Technologies · mapped topic
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Frequently asked questions
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- What does patent US9080487B2 cover?
- An exhaust system including a plurality of exhaust treatment devices, plurality of injectors for dosing an exhaust treatment fluid into an exhaust stream, and a controller for controlling each of the plurality of injectors. The controller actively controls an amount of exhaust treatment fluid dosed into the exhaust stream by each of the plurality of injectors based on at least one of an exhaust…
- Who is the assignee on this patent?
- Tenneco Automotive Operating, Tenneco Automotive Operating
- What technology area does this patent fall under?
- Primary CPC classification F01N3/106. 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).