SU861670A1 - I.c. engine casing ventilation system oil separator - Google Patents

Description

(54) OIL SEPARATOR SYSTEM # 1 VENTILATION OF THE INTERNAL ENGINE CARTER

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The invention relates to the field of mechanical engineering, namely to devices for you to ventilate the crankcase of internal combustion engines.

A crankcase ventilation system oil separator is known, comprising a housing with a crush, an inlet fitting mounted on the housing and a vent at its end entering the housing, an annular ridge, a hydraulic lock for draining the oil into the crankcase and a filter element made in the form of a mesh packings.

The disadvantage of this device is the breakthrough of the crankcase of gases into the atmosphere, the mini filtering element, which leads to incomplete separation of oil from gases and, consequently, increased oil consumption and increased toxicity of exhaust gases.

The aim of the invention is to increase the cleaning efficiency of crankcase gases.

This goal is achieved by the fact that in the oil separator of the ventilation system of the crankcase of an internal combustion engine, the housing contains a lid, an inlet fitting mounted on the housing and form its COMBUSTION

1 ENDING in the housing, an annular comb, a hydraulic valve for draining the oil into the crankcase and a filtering element made in the form of a mesh gasket, the latter being made of a multilayer grid with corrugations parallel to the axis of the filtering element, and provided with a yoke with windows in the side walls, and on the ring ridge

10 has a cup with a central hole in the bottom, which is fixed with a radial gap between the attachment points to the casing walls, and which encloses an annular ridge with its edges, with holes in the annular ridge wall and lower edges of the windows made in the cage, are located

20 cup bottom. The distance between the windows in the holder is 1-0.2 of its radius, and the holder is elastically fixed on the case cover. A longitudinal, diametrically placed plate with segmental cuts is installed in the inlet nozzle, the edges of COTO1НЛХ are alternately bent in opposite directions.

This embodiment of the device will significantly improve the separation

30 oil from crankcase gases, thereby

DECREASE oil consumption and exhaust emissions.

Fig, 1 shows the proposed oil separator, a longitudinal section; FIG. 2 is a section A-A in FIG. 1. FIG.

The oil separator comprises a housing 1 with a lid 2, an inlet 3, mounted on the housing 1 and forming with its end entering the housing 1, an annular ridge 4, a filter element made of a multilayer mesh 5 with corrugations 6 (parallel to the filter element os, and fitted with clip 7 with windows 8 in the side walls. On the ring ridge 4 there is a cup 9 with a central hole 10 in the bottom, which is attached with a central gap located between the attachment points to the walls of the sleeve -7 and which with its edges 11 covers an annular edge Bien 4. In the wall of the annular ridge 12 4 are located above the edges 11 cups 9, the lower edges of the windows 8 made in the holder 7, disposed above the bottom of the cup 9.

In this case, the distance between the windows 8 in the holder 7, according to the results of the experiments, is selected from the ratio of 1-0.2 of the radius of the holder 7. In addition, the holder 7 can be elastically fixed to the cover 2, the body 1, and in the inlet 3 diametrically located plate 13 with segmental notches 14, the edges 15 of which are alternately bent in opposite directions.

When the engine is operating, crankcase gases enter the oil separator through the inlet 3, where the passage through the maze formed by the bent segmental notches 14 of the plate 13, they go through a rough cleaning of suspended oil droplets / that settle on the walls of the nozzle 3 and drain into the crankcase. The secondary separation of the smallest suspended droplets of oil from crankcase gases occurs on a multi-layer corrugated grid 5 of the filter element, the surface of which is increased due to the corrugations 6,

The crankcase gases in the proposed oil separator completely pass through the filter element, which is compacted by the hydraulic valve formed by the sleeve 7, 9 with the central hole 10 in the bottom, with an annular ridge 4, into the wall of which holes 12 are made. oil, which flows on the cup 9 and from there on the radial clearances between

the clip 7 and the cup 9 in the settling zone at the bottom of the housing 1.

In order to avoid oversaturation of the packing of multilayer net 5 with oil when refueling it into the engine through the housing 1 of the oil separator, the holder 7 is elastically fixed in the cover 2.

Claims (4)

1. A separator oil sump of the crankcase ventilation of an internal combustion engine, comprising a housing with a clutch, an inlet, a housing installed and forming a ring crest at its end entering the housing, a hydraulic lock for draining the oil into the crankcase and filtering element made mesh packing, characterized in that, in order to increase the efficiency of cleaning of crankcase gases, the mesh packing is made A multilayer mesh with corrugations parallel to the axis of the filter element and provided with a yoke with windows in the side walls, on the annular ridge there is a cup with a central hole in the bottom, which is attached with a radial clearance located between the points of attachment to the walls of the yoke and which surrounds with its edges an annular the crest, and in the wall of the annular ridge holes are located above the edges of the cup, and the lower edges of the windows, made in the holder, are located above the bottom of the cup. 2. The oil separator according to claim 1, which is so because the distance between the windows in the casing is 10, 2 of its radius. 3. Oil separator according to claims 1 and 2, characterized in that the sleeve is elastically secured by HP. housing cover. 4. Oil separator according to claim 1, differing in that a longitudinal diametrically arranged plate is installed in the inlet nozzle with segmen 4 and vzami, the edges of which are alternately bent in opposite directions. Sources of information taken into account in the examination 1. Patent of Great Britain 12556 cl. F 1 in, pub. 1971 0yt.f TH "/