RU2430259C2 - Gravitation filter - Google Patents

Abstract

FIELD: engines and pumps.

SUBSTANCE: proposed filter comprises cover with fuel feed hole, central rod with cleaned fuel discharge bore, barrel with drain hole stopped by drain plug. Fuel stilling element and reflector are made integral with cover. Filter stilling element is arranged at barrel bottom. Filter incorporates filtration screen arranged on filter central rod. Moisture absorbing material is arranged inside said filtration screen. Said screen and moisture absorbing material may be detached.

EFFECT: higher fuel cleaning quality and reduced amount of deposits.

Description

The invention relates to engine building, in particular to fuel filter tanks.

Known fuel filter sump, including a cover with holes for supplying and removing fuel, a glass, a central rod mounted on the cover, a mesh filter element, a reflector and a fuel damper [1].

Known fuel filter sump has disadvantages, which include the following:

- low fuel filtration by the mesh element;

- leaching of settled mechanical impurities;

- difficulty in maintenance.

The purpose of the invention is to improve the quality of fuel cleaning, preventing the leaching of settled mechanical impurities.

This goal is achieved by the fact that the filter is equipped with a damper installed on the bottom of the glass, a mesh filter element located on the Central filter rod. A moisture-absorbing material is arranged inside the mesh filter element, the mesh filter element and the moisture-absorbing material being removable.

Figure 1 presents a longitudinal section of the filter-sump, figure 2 is a section along the line aa.

The filter settler includes a cover 1 with an opening 2 for supplying fuel, with a central rod 3 having an opening 4 for removing purified fuel, a glass 5 with a drain hole closed by a drain plug 6, a damper 7 and a fuel reflector 8 are made in one piece with the cover 1 , a damper 9 mounted on the bottom of the glass 5, a mesh filter element 10 located on the Central rod 3 of the filter, inside of which is a moisture-absorbing material 11, and the mesh filter element together with a moisture-absorbing material are made Removable.

The filter sump works as follows. Fuel enters the filter through the hole 2 for supplying fuel in the lid 1, while the ingress of undeveloped fuel to the grid of the filter element is protected by a reflector 8. Next, the fuel flows down the conical surface of the damper 7 through the gap between the inner wall of the glass and the outer edge of the damper. The conical surface of the damper provides a uniform distribution of fuel flow along the perimeter of the glass. Due to the loss of fuel flow rate, large particles of impurities settle on the bottom of the glass. The washing out of settled mechanical impurities is prevented by a damper 9 mounted on the bottom of the glass. Then the fuel passes to the mesh filter element 10, fixed on the Central rod 3. Next, the fuel enters the cavity where there is a moisture-absorbing material 11 installed inside the mesh filter element. Passing through both filters, the fuel is cleaned of small mechanical impurities and water. Then the fuel through the hole in the rod 4 enters the fuel system. Sludge is drained through the hole in the glass by unscrewing the drain plug 6. For cleaning the filter element, it is made removable.

The presence of an additional moisture-absorbing material in the sump filter, which absorbs moisture from the fuel, thereby increases the quality of the fuel. In addition, during maintenance, it is necessary to check the contamination of the mesh element and moisture-absorbing material, for convenience, they are made removable. The washing out of settled mechanical impurities is prevented by a fuel damper. The service life of the engine is increased due to high-quality cleaning of fuel from pollution.

Information sources

1. Copyright certificate RU 2118199, cl. B01D 27/00, 36/04, F02M 37/22.

Claims (1)

The filter settler, including a cover with a hole for supplying fuel, with a central rod having a hole inside the rod for removing purified fuel, a glass with a drain hole closed by a drain plug, a damper and a fuel reflector are made in one piece with a cover, characterized in that the filter equipped with a damper mounted on the bottom of the glass, a mesh filter element, which is located on the central filter rod, a moisture-absorbing material is located inside the mesh filter element, moreover, the mesh the filter element together with the moisture-absorbing material are removable.

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