Method and system for managing regeneration of a particulate filter

A particle filter and regeneration process technology, applied in the direction of electronic control of exhaust treatment devices, diagnostic devices of exhaust treatment devices, exhaust treatment, etc., can solve problems such as fuel consumption impact, internal combustion engine damage, impact, etc. Achieve the effect of extending the replacement interval and reducing the impact
CN107109996BActive Publication Date: 2019-09-10FPT IND
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
FPT IND
Publication Date
2019-09-10

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Abstract

A method for managing the regeneration of a particulate filter (DPF) comprising an inlet and an outlet, the method comprising the step of monitoring a measured outlet temperature of the DPF during the regeneration process of the particulate filter and the step of interrupting the regeneration process as a function of the measured temperature.
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Description

technical field

[0001] The present invention relates to the field of internal combustion engines, and in particular to the management of these components to reduce pollutants. More specifically, the present invention relates to methods and systems for managing the regeneration of particulate filters. Background technique

[0002] DPF filters have long been used to confine particulates produced by the combustion of internal combustion engines, particularly diesel engines.

[0003] These filters are called closed filters in terms of the shape of the channels formed therein.

[0004] These channels are made of a porous ceramic material in order to retain the particles contained in the gas passing through the channels.

[0005] Filter clogging is detected by measuring the pressure upstream of the filter (back pressure) or by measuring the differential pressure upstream and downstream of the filter.

[0006] Depending on the usage of the vehicle, the particulate filter may be ...

Claims

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