US Patent 11840952 Dosing conduit arrangements for exhaust aftertreatment system
Patent 11840952 was granted and assigned to Donaldson Company on December, 2023 by the United States Patent and Trademark Office.
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US Patent 11840952 Dosing conduit arrangements for exhaust aftertreatment system
Article
Patent abstract
An aftertreatment device includes flow guides disposed within a dosing conduit. Exhaust enters through a perforated region of the dosing conduit and passes through the flow guides. The flow guides induce swirling or other turbulence to mix injected reactant with the exhaust gas. Various types of flow guides include cantilevered vanes, guide passageways, and louvered openings of a second conduit. Some types of flow guides induce localized mixing to inhibit deposit formation at the doser mounting unit. Other types of flow guides induce mixing downstream of the dosing conduit.
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Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Derek M. Larsen0
Korneel De Rudder0
Mark Thomas Brandl0
Matthew S. Whitten0
Todd R. Taubert0
Date of Patent
December 12, 2023
0Patent Application Number
176263360
Date Filed
June 30, 2020
0Patent Citations
Patent Primary Examiner
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