SU1330335A1 - System for fine cleaning of oil - Google Patents

Abstract

The invention makes it possible to increase efficiency by stabilizing the filter capacity of internal combustion engines. Bodies 9 and 10 of the spool 8 control are communicated on one side with sections of the auxiliary line 6 between filter 7 and spool 8, on the other hand, with the main oil line 5. As the filter becomes soiled due to the interaction of bodies 9 and 10, the pressure drop across the filter increases throughput increases and is maintained almost constant throughout its operation. In the emergency case, with a sharp decrease in pressure in the oil line 5 or during a cold start of the engine, the pressure in the organ 10 drops, the opening-11 closes, stopping the supply of oil to the line 6. The pressure in the main line increases. 1 il. Klotrebitelnz i (L S 5 -4 .- with ooo o oo 00 e / / / y

Description

one

The invention relates to mechanical engineering and can be used in the lubrication systems of internal combustion engines.

The purpose of the invention is to increase efficiency by stabilizing the filter throughput.

The drawing shows a diagram of the system of fine purification of oil.

The system consists of an oil tank 1, an oil pump 2 with an oil sump 3 and a pressure port 4, a main 5 and an auxiliary 6 oil lines with successively placed fine filter 7 and a spool 8 with control elements 9 and 10. The discharge pipe 4 of the oil pump 2 is hydraulically connected to the main 5 and the secondary 6 oil lines. The bodies 9 and 10 of the spool 8 control are communicated on one side with the sections of the auxiliary line 6 between the filter 7 and the spool 8 and on the other side of the main oil line 5. The sections of the auxiliary line 6 communicate through the openings 11 and 12 of the housing 13 and the annular cavity 14 of the spool eight.

The oil fine cleaning system works as follows.

The contaminated oil is sucked in by the oil pump 2 through the oil intakes and is fed for cleaning (cleaning agents not shown) through the main line 5 and then to the consumer. At the same time, part of the contaminated oil (15–20%) enters the auxiliary oil line 6, passes the fine filter 7, is cleaned and is discharged through the spool 8 into the oil tank 1. The spool (its flow area) is adjusted to the optimum throughput filter. As the filter septum 7 is contaminated with filtering, its capacity drops, resulting in a pressure drop between the filter and the spool. When the pressure drops in this area, the pressure will also drop in the valve control body 9 at a constant pressure in the control body 10. As a result, the spool will move downward, increasing the flow area, thereby reducing the resistance to fluid movement. As a result, the pressure drop across the filter

ten

20

- ig

3303352

will increase, the throughput of the filter will increase accordingly and maintained during the operation of the filter is almost constant. This will continue until the flow area of the spool opens, completely reducing the pressure from it to the filter to almost atmospheric. In this case, the pressure drop will reach the maximum calculated value for which the filter material of the filter is designed. After that, the filter partition should be replaced.

In an emergency case, if the pressure in the main oil i line 5 is abruptly reduced (when the filter element of the filter rushes) or when the engine starts cold, the pressure in the valve control body 10 will drop, the latter will close the valve hole 11, stopping the supply of oil to the auxiliary line 6, 25. most will increase the oil pressure in the main line.

The advantage of the proposed image. retention is to maintain an almost constant optimal performance of a partially in-line fine filter provided by controlling the back pressure (resistance) downstream of the filter with the spool and, therefore, the maximum

use of hydraulic and strength characteristics of the filter during the entire period of operation. As a result, the cleaning intensity is significantly increased due to an increase in the amount of purified oil, and eventually the rate of wear of engine parts decreases, its reliability and durability increase, and the service life of the oil increases. These advantages allow to obtain a significant economic effect with maximum use of the - invention. neither

50

55

Claims (1)

Invention Formula A fine oil purification system by filtration in internal combustion engines, containing an oil tank, an oil pump with an oil intake and a pressure port, a main oil line, an auxiliary oil line with a follower but placed by a fine clarity filter by stabilizing the flow and a spool with filter control capacity, the organs are not, and the pressure pipe of the oil control of the spool is communicated from one pump on the hydraulically connected side of the auxiliary and main oil line between the filter and the main line, which is distinguished by the barn and, on the other hand, in order to increase the efficiency of the main oil line. Compiled by V.Aifinov Editor E.Sligan Tehred M.KhodanychAcorrector A.T.  Order 35b / 36 Circulation 481 Subscription VNIIPI USSR State Committee for Inventions and Discoveries 113035, Moscow, Zh-35, Raushsk nab., D.4 / 5 Sch) production and printing company, Uzhgorod, Projecto st., 4