RU2285815C2 - Device for delivering run-in additive into combustion chamber of internal combustion engine - Google Patents

Abstract

FIELD: mechanical engineering; internal combustion engines.

SUBSTANCE: invention relates to accelerated running-in of internal combustion engine. Proposed device for delivering run-in additive into combustion chamber of internal combustion engine contains intake header, reservoir with additive, atomizer, injector, pipeline and air line with moisture separator and air cock. Atomizer is installed in inlet part of intake header and is provided with ring channel and central channel with cone installed in front and coaxially with central channel. Ring channel of automizer communicates with outlet of injector. Two inlets of injector are connected, respectively, with air line and reservoir with run-in additive. Central channel is connected with air line through additional pipeline. Intake header is provided with pipeline to direct remaining additive into reservoir. Cone installed in automizer in inlet part of intake header has spiral tape passing over its surface.

EFFECT: improved quality of automizing of air-additive mixture and provision of economy of running-in process with no adverse effect on environment.

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Description

The invention relates to engine building, in particular to accelerated break-in of an internal combustion engine (ICE).

It is already known a device for supplying a running-in additive to the combustion chamber of an internal combustion engine, comprising an intake manifold, a container with an additive, an atomizer, an injector, a pipeline, an air duct with a water separator and an air valve, the atomizer being installed in the inlet of the intake manifold and provided with an annular channel and a central channel with a cone installed in front and aligned with it, the annular channel of the atomizer is in communication with the output of the injector, the two inputs of which are connected respectively to the air duct and tank Stu with running-doped, and the central channel through an additional conduit connected to vozuhoprovodom (see. Author's Certificate USSR №1638338, publ. 30.03.1991).

However, this device has several disadvantages. The smooth surface of the cones does not allow to achieve a high-quality spray of the air-additive mixture. As a result, an uneven distribution of the additive substance occurs over the volume of the combustion chamber. Some areas of the surfaces of the friction pairs receive an excessive amount of additives, while other areas remain uncovered or covered with an insufficient amount of additives. As a result, the quality of running-in of parts of the cylinder-piston group is deteriorating, which negatively affects the operation and engine life of the engine.

Achievable technical result according to the claimed invention is to improve the quality of atomization of the air-additive mixture by replacing spray cones with a smooth surface with cones with a shaped surface.

The technical result is achieved due to the fact that in the device for supplying a running-in additive to the combustion chamber of an internal combustion engine containing an intake manifold, a container with an additive, a sprayer, an injector, a pipeline, an air duct with a water separator and an air valve, the sprayer is installed in the input part of the intake manifold and equipped with an annular channel and a central channel with a cone installed in front of and coaxially with it, the annular channel of the atomizer is in communication with the output of the injector, the two inputs of which are connected respectively, with an air duct and a container with a running-in additive, and the central channel is connected to the air duct through an additional pipeline, the exhaust manifold is equipped with a pipeline for diverting the unspent additive to the tank, and the cone installed in the atomizer in the inlet of the intake manifold has a spiral tape passing along its surface .

The drawing shows a General view of the claimed device.

The device contains a collector 1 with a spray gun 2 installed on it, as well as an injector 3, an air duct 4, a moisture separator 5 with an air valve 6, a container 7 with a running-in additive, a valve 8, a pipeline 9.

The atomizer 2 has an annular channel 10, a central channel 11 with a cone 12 placed in front of it, fixed by a thread on a screw 13 located in the central channel 11. The injector 3 is equipped with a mixing chamber 14 and the first 15 and second 16 valves.

The annular channel 10 of the atomizer 2 is connected to the mixing chamber 14 of the injector 3, the two inlet openings of which are connected respectively to the air duct 4 and through the pipeline 9 with a capacity 7 with a running-in additive, and the central channel 11 of the atomizer 2 is connected to the bypass pipe 17 through the third valve 18 with the air supply 4 , the cone 12 is equipped with a spring 12. The exhaust manifold is connected by a pipe 20 through the valve 21 with a capacity of 7 with a running-in additive.

The device operates as follows.

Compressed air from the pneumatic network through the air valve 6, the moisture separator 5, the air pipe 4 enters the injector 3 and through the bypass pipe 17 into the central channel 11 of the spray gun 2. Passing through the injector 3, the compressed air creates a vacuum in it, under which the running-in additive from the tank 7 enters through the valve 8, pipe 9 into the injector 3 and then into the mixing chamber 14 of the injector 3, where the formation of the air-additive mixture occurs, which through the annular channel 10 of the atomizer 2 enters the intake manifold 1 of the engine.

When the air stream leaving the central channel 11 passes through the spiral ribbons on the surface of the cone 12, a special vortex movement of the stream is created, which is mixed with the air-additive mixture flow coming out of the annular channel 10. In this case, a kind of annular air flow is created in the intake manifold additive mixture, penetrating the entire intake air passing through the manifold into the combustion chambers of the engine.

Unspent additive through the exhaust manifold through the pipe 20 enters the tank 7 with a running-in additive.

Thus, the proposed improvement by replacing a cone with a smooth surface with a cone with a spiral tape passing over the surface allows to achieve better spraying of the air-additive mixture, to increase the quality of the running-in of friction pairs of the cylinder-piston group, and thereby increase the engine life.

Claims (1)

A device for supplying a running-in additive to the combustion chamber of an internal combustion engine, comprising an intake manifold, a container with an additive, an atomizer, an injector, a pipeline, an air duct with a water separator and an air valve, the atomizer being installed in the inlet of the intake manifold and provided with an annular channel and a central channel with an installed before and coaxially with the cone, the annular channel of the atomizer is in communication with the output of the injector, the two inputs of which are connected respectively to the air duct and the container otochnoy doped, and the central channel through an additional conduit connected to the duct, characterized in that the exhaust manifold conduit is provided for removing unused additive into the container, and a cone mounted in the nebulizer in the inlet portion of the inlet manifold has a spiral ribbon extending on its surface.