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Burner for diesel particulate filter regeneration

A particulate filter and burner technology, applied in the direction of machines/engines, mechanical equipment, engine components, etc.

Inactive Publication Date: 2010-12-29
TEMS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In addition, since the burner is formed on the outside of the exhaust pipe, a space for forming the burner is additionally required, and there is a high possibility of failure due to external shock

Method used

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  • Burner for diesel particulate filter regeneration
  • Burner for diesel particulate filter regeneration
  • Burner for diesel particulate filter regeneration

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0128] A burner for regenerating a Diesel Particulate Filter (DPF), wherein the burner generates a rotating discharge (such as plasma or arc) by applying a high voltage to a reaction cell in which there is a rotating flow of fuel and air, and generates ignition , the burner includes: a housing having a hollow interior to become part of an exhaust pipe for connecting a diesel particulate filter to an engine for filtering particulate matter produced by the engine, and the housing Comprising a fixing unit 111 coupled with exhaust pipes on both sides; a main body, which is formed inside the housing and includes a reaction unit; an electrode supporting unit, which is formed inside the main body; an electrode, one side of which is fixed to On the electrode support unit and the electrode is installed on the reaction unit of the main body; the electrode for supplying electric power to the electrode; the supply unit for supplying fuel and air from the fuel supply unit and the air supply...

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PUM

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Abstract

Provided is a burner using electric discharge as an ignition source such as arc or plasma rotating with flow, and more particularly, to a DPF regenerating burner that improves ignition performance of the burner by having a metal ball on a conical electrode surface where electricity is discharged, inducing accurate electric discharge through a metal ball, and supplying a fuel-air mixture toward the metal ball. The DPF regeneration burner includes a fuel-air mixture supplying unit having an injecting unit be connected to a reaction unit to supply the fuel-air mixtureto the reaction unit; and a metal ball on a circumference of the electrodeto ignite the injected fuel-air mixture. The DPF regenerating burner generates electric discharge in an electrode surface where a metal ball is located. The ignition performance is improved by accurately supplying a fuel-air mixture at a location where the electric discharge is generated.

Description

technical field [0001] The present invention relates to a burner utilizing an electric discharge as an ignition source such as an electric arc or plasma rotating together with a gas flow, and more particularly to a burner for regenerating a Diesel Particulate Filter (DPF), which Diesel particulate filters trap harmful particulates (i.e. black smoke) and also improve the ignition performance of the burner by having metal balls on the surface of the conical electrode of the discharge and supplying the balls with a fuel-air mixture . Background technique [0002] Since diesel vehicles have better fuel efficiency and greater power than gasoline vehicles, diesel vehicles are widely used as heavy vehicles. However, unlike gasoline engines, diesel engines emit particulate emissions because fuel is injected directly into the engine combustion chamber during the compression stroke and the fuel is incompletely combusted due to insufficient mixing of fuel and air during the above proc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01N3/025
CPCF01N3/0256F01N2240/28F01N3/025F01N3/023
Inventor 洪淳喆金洪石
Owner TEMS
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