| 发明名称 |
Detecting particulate matter load density within a particulate filter |
| 摘要 |
A control system includes a heater control module and a particulate matter (PM) load module. The heater control module selectively activates an electric heater to initiate regeneration in a zone of a particulate filter and deactivates the electric heater after the regeneration is initiated. The regeneration continues along a length of the particulate filter after the electric heater is deactivated. The PM load module determines a PM load based on an outlet temperature of the particulate filter after the regeneration is initiated. |
| 申请公布号 |
US8950177(B2) |
申请公布日期 |
2015.02.10 |
| 申请号 |
US200912486237 |
申请日期 |
2009.06.17 |
| 申请人 |
|
发明人 |
Gonze Eugene V.;Paratore, Jr. Michael J.;Smith Stuart R.;Bhatia Garima |
| 分类号 |
F01N3/10;F01N3/027;F01N9/00;F01N13/00 |
主分类号 |
F01N3/10 |
| 代理机构 |
|
代理人 |
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| 主权项 |
1. A control system, comprising:
a heater control module that selectively activates an electric heater to initiate regeneration in a zone of a particulate filter and deactivates the electric heater after the regeneration is initiated, wherein the regeneration continues along a length of the particulate filter within a portion of the particulate filter corresponding to the zone after the electric heater is deactivated; and a particulate matter (PM) load module that determines a PM load based on a peak value of an outlet temperature of the particulate filter after the regeneration is initiated and independent of values of the outlet temperature that are less than the peak value. |
| 地址 |
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