The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 06, 2026
Filed:
Dec. 13, 2024
Caterpillar Inc., Peoria, IL (US);
Lance Clay Barke, Peoria, IL (US);
Qiang Zhu, Wuxi City, CN;
Douglas T. Scott, Rapid City, SD (US);
Collin P. Hecker, Morton, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
An aftertreatment mixing tube includes a mixing tube body having an exhaust inlet located in a first tube end, an exhaust outlet located in a second tube end, and an inner tube surface circumferentially extending around a center axis and forming an exhaust passage. The mixing tube body further includes a diesel exhaust fluid (DEF) injection port positioned proximate to the first tube end. The mixing tube defines a mixing tube inner diameter dimension, and a mixing tube axial length dimension, and a ratio of the mixing tube axial length dimension to the mixing tube inner diameter dimension ranges from 5.9 to 6.7. An exhaust system and methodology of operating an aftertreatment system are also disclosed.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile