Invention Grant
- Patent Title: Systems and methods for idle fuel economy mode
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Application No.: US16550501Application Date: 2019-08-26
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Publication No.: US10968803B2Publication Date: 2021-04-06
- Inventor: Minming Zhao , Josh Si Shao , Sriram Madhavan , Matthew John Zanker
- Applicant: Cummins Inc.
- Applicant Address: US IN Columbus
- Assignee: Cummins Inc.
- Current Assignee: Cummins Inc.
- Current Assignee Address: US IN Columbus
- Agency: Foley & Lardner LLP
- Main IPC: F01N3/20
- IPC: F01N3/20 ; F01N9/00 ; F01N11/00 ; F02D41/08
Abstract:
An apparatus includes a stored reductant determination circuit structured to determine an amount of stored reductant in a component of an exhaust aftertreatment system, and a fuel mode economy circuit structured to control an amount of reductant added to the exhaust aftertreatment system during an engine idle mode of operation based on the amount of stored reductant.
Information query
IPC分类:
