Invention Grant
- Patent Title: Particulate filter device monitoring system for an internal combustion engine
- Patent Title (中): 内燃机颗粒过滤装置监测系统
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Application No.: US13909627Application Date: 2013-06-04
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Publication No.: US09366172B2Publication Date: 2016-06-14
- Inventor: Christopher Whitt , Douglas Christopher Sarsen , Christopher C. Swoish
- Applicant: GM Global Technology Operations LLC
- Applicant Address: US MI Detroit
- Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Current Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Current Assignee Address: US MI Detroit
- Agency: Cantor Colburn LLP
- Main IPC: F01N3/00
- IPC: F01N3/00 ; F01N11/00 ; F02D41/02

Abstract:
A particulate filter device monitoring system for an internal combustion engine includes a particulate accumulation register configured to store an amount of particulate in a particulate filter. The particulate accumulation register includes a particulate accumulation trigger zone having a power limiting mode trigger. A power limiting mode trigger module is configured to limit output power of the internal combustion engine when the amount of particulate accumulation reaches the power limiting mode trigger. A particulate accumulation model module includes a particulate accumulation model configured to calculate changes in particulate accumulation in the particulate accumulation register at a first sampling rate when particulate accumulation is outside the particulate accumulation trigger zone, and at a second sampling rate when particulate accumulation is within the particulate accumulation trigger zone.
Public/Granted literature
- US20140352281A1 PARTICULATE FILTER DEVICE MONITORING SYSTEM FOR AN INTERNAL COMBUSTION ENGINE Public/Granted day:2014-12-04
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