NOx control systems and methods for controlling NOx emissions

Inventors

Maruthi Devarakonda
Gordon Parker, Michigan Technological UniversityFollow
John Johnson, Michigan Technological UniversityFollow

Files

Abstract

An exhaust aftertreatment system comprising a selective reduction catalyst, a NO_x sensor or an NH₃ sensor, a urea injector, and a dosing control unit, wherein the dosing control unit calculates the rate of urea injection by estimating the concentrations of NO and NO₂ in the exhaust downstream of the SCR catalyst.

Patent Number

US 8,230,677 B2

Assignee

Michigan Technological University, Houghton, MI (US)

Application Number

12/324,533

Date Filed

11-26-2008

Certificate of Correction

No

Issue Date

7-31-2012

Disciplines

Engineering

Comments

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Recommended Citation

Devarakonda, Maruthi; Parker, Gordon; and Johnson, John, "NOx control systems and methods for controlling NOx emissions" (2012). Michigan Tech Patents. 116.
https://digitalcommons.mtu.edu/patents/116