KR19980054597A - Combustion accelerator for diesel engines - Google Patents

Abstract

The present invention relates to a combustion promoting device for a diesel engine in which the fuel injected from the main injector is rapidly burned in the latter stage of combustion.

The combustion promoting device for a diesel engine includes a body 4 having a secondary small combustion chamber 3 for disturbance and a nozzle hole 5 and a body 4 mounted on the body 4 for the disturbance secondary small combustion chamber 3 And a secondary injector (2) for injecting fuel.

As a result, the fuel injected in the main injector hameuroseo so rapidly burned in the combustion late, there is an effect that soot and NO _X is reduced.

Description

Combustion accelerator for diesel engines

The present invention relates to a combustion promoting device for a diesel engine, and more particularly, to a combustion promoting device for a diesel engine in which fuel injected from a main injector is rapidly burned in a later combustion stage.

Since conventional diesel engines have higher thermal efficiency and lower fuel cost than gasoline engines, most of the domestic commercial vehicles use diesel engines.

But if the exhaust gas side there is a tendency that the diesel engine is a particulate and NO _X emissions than gasoline engines. Therefore, the Ministry of Environment encourages the use of engines that use clean fuel such as gasoline, LPG, LNG, etc., which have less exhaust gas than diesel engines in the case of small trucks.

Accordingly, the present invention is to overcome the conventional problems described above, an object of the present invention to provide a combustion promoting device for diesel engine that can reduce the soot and NO _X by be made a rapid combustion in the combustion end.

In order to accomplish the object of the present invention, there is provided an apparatus for promoting combustion of a diesel engine, comprising a body having a secondary small combustion chamber for disturbance and a nozzle hole formed therein, and a second small- And a secondary injector.

With this configuration, the hameuroseo the fuel injected in the main injector to rapidly burned in the combustion reviews, the soot and NO _X is reduced.

1 is a schematic view showing a fuel supply system of a diesel engine according to the present invention;

2 is a cross-sectional view showing a conventional combustion measurement apparatus for a diesel engine

Description of the Related Art [0002]

1: Combustion promoting device 2: Secondary injector

3: Secondary combustion chamber for disturbance 4: Body

5: Nozzle hole 6: Cylinder head

7: main injector 9: fuel supply pump

11: Common rail 13: ECU

15: crank angle sensor 17: TDC sensor

Hereinafter, embodiments of the present invention will be described in detail with reference to FIGS. 1 and 2. FIG.

1, a fuel supply system for a diesel engine according to the present invention includes a main injector 7 and a combustion promoting device 1 mounted on a cylinder head 6, a main injector 7 and a combustion promoting device 1), a fuel pump 13 for feeding fuel to the common rail 11, a fuel injection timing of the main injector 7 and the combustion promoting device 1, A crank angle sensor 15 for transmitting the rpm data of the engine to the ECU 13; a TDC sensor 13 for sensing the top dead center of the piston and transmitting a signal to the ECU 13; And a sensor 21.

2, the combustion promoting apparatus 1 includes a body 4 having a secondary small combustion chamber 3 for disturbance and a nozzle hole 5 formed therein, a body 4 mounted on the body 4, And a secondary injector 2 for injecting fuel into the small combustion chamber 3.

According to the above-described structure, the combustion promoting device for a diesel engine operates as follows.

When a small amount of fuel is injected from the secondary injector 2 into the secondary small combustion chamber 3 for disturbance, a small amount of fuel is ejected into the nozzle hole 5 in the secondary small combustion chamber 3 for disturbance, So that the fuel injected from the main injector 7 is burned rapidly in the latter stage of combustion.

Combustion promoting device for a diesel engine according to the invention as described above is hameuroseo the fuel injected in the main injector to rapidly burned in the combustion late, there is an effect that soot and NO _X is reduced.

Although the present invention has been described in connection with what is presently considered to be preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (1)

A body 4 formed with a secondary small combustion chamber 3 for disturbance and a nozzle hole 5 and a secondary injector mounted on the body 4 for injecting fuel into the secondary small combustion chamber 3 for disturbance 2). ≪ / RTI >