DE1052836B - Compressed air cleaner for compressed air brake systems in vehicles, in particular motor vehicles - Google Patents

Description

GERMAN

The invention relates to compressed air cleaner for air brake systems in vehicles with a Valve, which after reaching a certain pressure in the storage container to drain the in Cleaner accumulating condensation water like others Impurities and to establish an idle connection of the pressure line of the compressor with the outside air is opened automatically.

As is well known, in compressed air brake systems, the compressed air coming from the compressor before it closes reaches the storage facilities of the plant and is used by the various operating bodies A cleaner is sent through it, in which the water vapor contained in the compressed air condenses and the condensed water along with oil drops and others possibly carried along by the compressed air Contamination is deposited at the bottom of the detergent container. Point at its bottom the container has a valve through which the condensed water and the settled impurities be drained from the container.

Automatically opening valves, which are only used to discharge the contaminants contained in the compressed air are already known. However, these devices also require another Valve that stops the compressor from running after a certain pressure has been reached in the storage tank causes. Other known brake systems work with a valve, which starts the compressor causes at idle. Through this valve, those separated from the compressed air are released at the same time when starting Discharged impurities. Finally, compressed air storage systems with a depending on the pressure prevailing in the air reservoir, the feed line venting to the known State of the art.

The invention has for its object to equip the cleaner with a valve that both for automatic draining of the condensation water when a predetermined pressure has been set in the storage tank and at the same time serves to idle the compressor. The invention is based on the im The preamble of the main claim characterized from the known prior art.

According to the invention, the valve consists of a control rod mounted displaceably at the lower end of a control rod attached ball and a conical valve seat, which is arranged at the bottom of the container of the cleaner and is in direct contact with the outside air. This creates a particular through its extremely simple structure created excellent valve, which the operational safety the known compressed air brake systems increased significantly.

Compressed air cleaner
for air brake systems

in vehicles,
in particular motor vehicles

Applicant:

Fabbrica Italiana Magneti Marelli,
Milan (Italy)

Representative: Dr.-Ing. H. Leithäuser, patent attorney,
Essen, Bertoldstr. 9

Claimed priority:
Italy 22 December 1954

In a further embodiment of the invention, the control rod of the ball is displaceable in a guide tube, which is arranged inside the container and held away from the bottom thereof, wherein the tube has lateral lugs extending to the inner container wall essentially over its entire length which form the septum of the cleaner to prevent the condensation and of the other contaminants in the compressed air. According to a further feature of the invention the guide tube for the control rod of the valve opens into the open at its upper end and forms at the same time the container lid, but without obstructing the exit of the operating rod.

Finally, in a particularly advantageous embodiment of the new compressed air cleaner the means for connecting the cleaner to the memory and the consumables a check valve include.

An embodiment of the compressed air cleaner according to the invention is shown in the drawing. Here shows

Fig. 1 is a vertical section through the cleaner and

FIG. 2 shows a cross section along the line AB in FIG. 1.

The cleaner consists of the container 1, inside the two chambers 2 and 2 ', which with-

809 769/334

are connected to each other and represent the expansion chamber and the cooling chamber of the medium, are provided. The chamber 2 is connected to the pipe coming from the compressor through a pipe socket 3 Compressed air connected. The separation of the chambers 2 and 2 'is carried out by a partition, which is formed by two parts 3 'and 3 ", the one hand with the immersed in the container 1 Tube 4 and on the other hand are rigidly connected to the cylindrical container wall. The wall parts 3 ' and 3 ″ are essentially the same length as the tube 4, so that at the bottom of the container between the chambers 2 and 2 'a passage 5 remains free. The chamber 2 'is via the check valve 6 and the pipe socket 7 connected to the memory and the consumer organs (not shown). The partition aims to force the medium to brush the container walls, so that the settling of the condensation water and the impurities along the walls is required.

The tube 4 opens into the open at the upper end 8 and is designed as a container cover 9 there. At the point of the passage 5 in the interior of the container, the tube 4 has a constriction 11 in which a rod 12 is guided, which protrudes from the tube 4 at the top and at its lower end in the interior of the container a ball 13 carries on the conical seat 14, which is provided in the container bottom and with is in contact with the outside air.

The ball 13, which is actuated by the rod 12, forms with the seat 14 the drain valve for the condensation water deposited on the bottom of the container and the valve for regulating the idling of the Compressor. The rod 12 is raised in a known manner as soon as there is a predetermined one in the memory Has stopped printing.

Claims (4)

Patent claims: 1. Compressed air cleaner for compressed air brake systems in vehicles, in particular motor vehicles, with a valve which, after reaching a certain Pressure in the storage tank to be released the condensation water that collects in the cleaner and other contaminants and for establishing an idle connection between the pressure line of the compressor and the outside air is automatically opened, characterized in that the valve consists of one at the lower end of a displaceably mounted control rod (12) attached ball (13) and a conical valve seat (14) consists, which is arranged at the bottom of the container (1) of the cleaner and directly with the Outside air is in contact. 2. Cleaner according to claim 1, characterized in that the control rod (12) of the ball (13) is displaceable in a guide tube (4) which is arranged in the interior of the container and from the The bottom of the same is held away, the tube substantially over its entire length has creeping, up to the inner container wall reaching lugs (3 'and 3 "), which the septum The detergent form to precipitate the condensation and other impurities to effect the pressure medium. 3. Cleaner according to claims 1 and 2, characterized in that the guide tube (4) for the operating rod (12) of the ball (13) opens into the open at the top and the container lid (9) forms without preventing the exit of the operating rod (12). 4. Cleaner according to Claims 1 to 3, characterized in that the means for connecting of the cleaner with the memory and the consumer organs comprise a check valve (6). Considered publications:
German patent application E639Ia / 27b (published March 8, 1951);
Swiss Patent No. 202 995;
U.S. Patent Nos. 2,330,040, 2,535,760. 1 sheet of drawings © 809 769-7334 3.59