SU1611385A1 - Filter for cleaning oil - Google Patents

Abstract

The invention is intended for use primarily in internal combustion engines and allows for improved filter reliability. In the filter cover 3, there is a central exhaust channel 4 and a peripheral intake channel 5, the upper location of which prevents oil from flowing out of the filter on an engine that is not running without an anti-drain valve. Screwing the filter onto the engine nipple with a central threaded hole 9 made in sleeve 7 is limited by the elasticity of the sealing ring 6. The filter can be mounted on the engine without destroying the sealing ring 6 while simultaneously placing channel 5 in the upper position on the outer side surface of sleeve 7, a hexagonal annular protrusion is made 10, recessed in part 11 of channel 4, having the shape of a hexagon, and sleeve 7 is spring-loaded to the lid. 2 Il.

Description

The invention relates to automotive tractor engineering, in particular to oil filtration in internal combustion engines.

The purpose of the invention is to increase the reliability of the filter.

In FIG. 1 shows a filter, general view;

figure 2 - cross section aa in fig. 1. ·

The filter includes a housing 1, a filter element 2, a cover 3 with a central 10 outlet channel 4 and a peripheral inlet channel 5. The sealing ring 6 is placed in a groove made in the cover 3. The sleeve 7 is spring-loaded to the cover 3 with a spring 8 and installed in the central 15 outlet channel 4. The internal threaded hole 9 of the sleeve 7 is designed for screwing onto the fitting of the engine lubrication system. On the outer side surface of the sleeve 7, a hexagonal annular protrusion 10 is made, which is located in a portion 11 of the central outlet channel 4 having the shape of a hexagon.

The filter works as follows.

Dirty oil from the engine lubrication system enters the filter through channel 5, located due to the corresponding orientation of the feed filter on the engine at the top of the filter. The cleaned oil is discharged _h from the filter along the internal threaded hole 30. Placing the channel 5 in the upper position prevents the oil from draining from the filter when the engine is stopped, not only with the anti-drain valve, but also without it. When the filter is screwed with an internal threaded hole 9 onto the engine fitting, the sealing ring 6 is crushed, which restricts the movement of the filter relative to the fitting. In the event that the elasticity of the sealing ring 6 is not enough to place the channel 5 in the upper position, the filter is screwed off the fitting, press on the sleeve 7 until the protrusion 10 is out of engagement with the hexagonal part 11, turn the sleeve to the appropriate angle and lower it back into the central outlet channel 4 until the hexagonal annular protrusion 10 is buried in an offset angular position. After that, the filter is again screwed onto the engine fitting until channel 5 is placed in the upper position.

The invention improves the reliability of the filter by preventing oil drainage on a stopped engine and adjusting the compression ratio of the elastic element of the sealing assembly.

Claims (1)

Claim A filter for cleaning oil mainly in an internal combustion engine, comprising a housing, a filter element, a cover with a central outlet and peripheral inlet channels and an o-ring located in the groove of the cover, characterized in that, in order to increase the reliability of the filter, it is spring-loaded to the cover and a sleeve installed in the central outlet channel with an internal threaded hole and with a hexagonal ring protrusion on the outer side surface, while part of the central outlet channel into the The said protrusion is placed in the shape of a hexagon.