SU762924A1 - Combination filtering element - Google Patents

Description

The invention relates to the field of engineering and is designed to clean the oil in internal combustion engines.

Known combined filtering element containing an internal perforated tube, on which are placed one above the other corrugated filter curtains made of multi-filter materials, and end sealing caps [1].

A disadvantage of the known construction is that the working properties of 15 filter materials are not fully utilized.

The purpose of the invention is to improve the quality of cleaning of the filtered liquid 20 and increase the service life of the filter element by separating the flow of the filtered liquid.

This is achieved by the fact that the inner perforated tube is equipped with a 25 partition, located at the level of the connection of the corrugated filter curtains. It is advisable to perform the upper end sealing cover with a calibrated hole. thirty

2

FIG. 1 shows a combined filtering element, general view; in fig. 2 shows section A-A in FIG. one.

The combined filtering element has an internal perforated tube 1, on which are arranged one above the other joined together corrugated filter curtains 2 and 3, made in the form of a multi-beam star from different-pore filtering materials, characterized by different screening fineness. The filter element is placed inside the outer perforated shell 4 and sealed at the ends with covers 5 and 6. To separate the flow of filtered fluid passing through the filter curtains 2 and 3, the internal cavity 'of the combined filter element is divided into two zones. For this purpose, at the junction of one filtering material with another, most often carried out by gluing overlapping, sizing ^is done ^- corrugation from the inside. Corrugated corrugations (rays) of curtains when gluing. section 7 of the inner diameter are glued with their bases to each

♦ 'ί ’’ "*”

762924

TO A FRIEND and to the diversion tube. Thus, the flow of the filtered liquid into the internal one is limited. these cavities of the curtains before it enters the branch pipe.

In the inner perforated tube 1, at the junction of the corrugated filtering curtains, they place a continuous fixed transverse partition 8. It will not allow to connect together to the flows of the filtered liquid passing through both curtains.

In order to regulate the flow of filtered oil through a curtain with a finely porous structure, which provides for a more refined cleaning, and prevents ..... rotation of the lavlenya oil falling into

The lubrication system in the event of the destruction of this filter curtain, in the upper sealing cover 5 of the filter element is a diaphragm with a calibrated orifice 9.

ten

15

- 20

The device works as follows. '' ........

The oil from the crankcase is pumped by an injection oil pump to the combined filtering element, where the flow splits. Main part

filter curtain 3 and further through the hole in the bottom end sealing cap 6 enters the lubrication of engine parts; · ·

The filtered oil passing through the filter curtain 2, made of finely porous material, through a calibrated hole

25

thirty

9 in the upper end sealing cap 5 is discharged into the crankcase of an internal combustion engine.

The increase in oil pumping through a more durable, fine-porous filtering material improves the quality of oil cleaning with a combined filtering element and, in general, increases the dirt-holding capacity of the combined filtering element.

Claims (2)

Claim 1. Combined filtering element containing an internal perforated tube on which corrugated filter curtains are placed one above the other, made of multi-pore filtering materials, and upper and lower end sealing caps, characterized in that, in order to improve the quality of cleaning the filtered liquid and extend the life filter element service by separating the flow of the filtered liquid, the inner perforated tube is provided with a partition located at the level of the corrugated joint screened curtains. 2. The element in π. 1, which is due to the fact that the upper end sealing cap is made ”with a calibrated hole.