Decomposition chamber for aftertreatment systems

US11560821B2 · kind B2 · utility

Assignee

• Cummins Emission Solutions Inc. · US

Inventors

• Samuel Johnson · Bloomington, US
• Ryan M. Johnson · Cottage Grove, US
• Kartiki Jagtap · Phaltan, IN
• Enoch Nanduru · Pune, IN
• Mahendra Mittapalli · Mancherial, IN
• Udit Bhaveshkumar Shah · Gandhinagar, IN
• Suraj D. Khalate · Pune, IN
• Pradnya Chandrakant Joshi · Ahmednagar, IN
• Vinay Kumar Joshi · Pune, IN
• Vaidyanadan Sundaram · Columbus, US

Key dates

• Filing date: Mar 7, 2022
• Grant date: Jan 24, 2023
• Expiry date: Mar 7, 2042

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02T10/12
• WIPO field: Environmental technology
• WIPO sector: Chemistry

Abstract

A decomposition chamber for an aftertreatment system includes: a body comprising: an inlet configured to receive exhaust gas, an outlet configured to expel the exhaust gas, a thermal management chamber in fluid communication with the inlet, the thermal management chamber configured to receive an exhaust gas first portion from the inlet, an exhaust assist chamber in fluid communication with the inlet, the exhaust assist chamber configured to receive an exhaust gas second portion from the inlet, and a main flow chamber in fluid communication with the inlet, the main flow chamber configured to receive an exhaust gas third portion from the inlet, receive the exhaust gas first portion from the thermal management chamber, and receive the exhaust gas second portion from the exhaust assist chamber.