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:
Sep. 26, 2023
Filed:
May. 25, 2018
Cummins Emission Solutions Inc., Columbus, IN (US);
Vikram Sundararajan, Columbus, IN (US);
Masoud Ziabakhsh Deilami, Columbus, IN (US);
Catherine Alviz-Radi, Irving, TX (US);
Joe V. Hill, Columbus, IN (US);
Patrick E. Conlon, Indianapolis, IN (US);
Stephen M. Holl, Columbus, IN (US);
CUMMINS EMISSION SOLUTIONS INC., Columbus, IN (US);
Abstract
A reductant dosing system includes: an injector; a fixed displacement pump in fluid communication with the injector; a reductant source in fluid communication with the fixed displacement pump; a pressure sensor assembly configured to detect a pressure of reductant in the reductant dosing system; and a controller communicatively coupled to the fixed displacement pump and to the pressure sensor assembly, wherein the controller is configured to calculate a flow rate of the fixed displacement pump based on at least a calibration value determined based on data received from the pressure sensor assembly.