DE1476376B2 - CROSS-FLOW COOLER FOR VEHICLE ENGINES - Google Patents

Description

1 2

The invention relates to a cross-flow cooler for. are. Between the cooler block and the upper and lower

Vehicle engines with pairs of pipes on both sides of the radiator block are known per se for radiators

tidy water boxes and a heat-resistant rubber padding at the top,

of the radiator core attached vent and An embodiment of the invention is in the

Volume compensation chamber. 5 drawing and is shown in the fol-

In the case of a known heat exchanger of this type, this is described in more detail. It shows

device (USA. Patent 2,158,388, in particular Fig. I a front view of a cross-flow cooler

Fig. I to III) is the ventilation and volume for vehicle engines according to the present invention

equal chamber as an angled part of one of the invention,

the side water tanks. This Aus io Fig. II a section along the line AA in Fig. I

The same chamber is therefore with the one and

Water tank firmly connected and also communicates Fig. III a section along the line BB in

with this, however, there is no connection with the fig. I.

other water tank, so that the unstiffened cool- The cooler block 1 is arranged so that it is from

lerblock remains very sensitive to vibrations and is flowed through horizontally in cooling water. Here

the compensation chamber no flow from the inlet the cooling water coming from thermostats,

Let the water tank to the outlet water tank possible through the inlet connection 2 in the water tank 3,

is borrowed. . flows from here through the cooler block 1 to the water

Through the German patent specification 954 965, box 4 and passes through the outlet nozzle 5 on the other hand already known vertical flow cooler, at 20 back to the pump and into the motor. the • those of the Kühterblock through water boxes 3 and _4 designed as hollow beams with their. End parts 6 and 7 led pendulum supports is reinforced, which the two in the present case are wider than the actual one Tube sheets and thus the two water tanks on cooler block 1 and thus form one at the same time connect both ends together. This air duct in front of and behind the radiator. Downward known hollow beam pendulum supports, however, have 25 and at the top they also protrude beyond the radiator block 1, just a reinforcing function. They take up a lot of the hollow beam components that stiffen the radiator Construction volume, and the problem of accommodation units in the form of pipes 8, 9 and 10, 11 aufneheiner to be able to provide any necessary ventilation and volume. The upper pair of tubes 8, 9 takes over Same chamber for the one in the pipes of the cooler - here the task of a ventilation and volume block flowing liquid remains in the known 3 ° equalization chamber, while the lower pair of tubes th cooler unsolved. 10.11 for other tasks, such as the

Internal combustion engine coolers for the oil cooler are also provided. At the top, with horizontal water flow, d. H. Cross flow, pipe 9 is the filler neck 12 with the associated and water tanks arranged on both sides as well as on the overpressure and equalization valve and on the top and the lower edge of the cooler block is located 35 running pipe. The lower tubes 10 and 11 borrowed water tanks known. The ones at the top are not connected to the cooling water circuit, The water tank located at the edge of the radiator block, whereas the upper pipes 8 and 9 with the two but do not communicate with the water tanks 3 and 4 as ventilation and volume. Of the Expansion tank formed and it remains unclear, flow of cooling water from the plenum chamber 3 after to what extent this container is made by a fixed 40 the two tubes 8 and 9 by small drilling connection mit.den side water tanks for the rangen 13, which in the end part 6 of the water tank so Have a stiffening effect on the radiator block. are arranged that they are in the upper portion of the

Starting from the cross-flow coolers of the two tubes 8.9 at the beginning open. The connection of the

designated known genus is the invention pipes 8 and 9 to the other water tank 4 takes place

the task underlying the ventilation and volume 45 through larger bores 14 in the end part 7 of the

Compensating chamber particularly effective to make water tank 4. Above this in the lower

and to stiffen the radiator block considerably, without drilling a section of the pipe connection points.

The overall height of the cooler must be significantly reduced 14 in the end part 7 of the water tank 4

bigger. . small, unspecified ventilation holes

The task is seen, starting from the opening 50, which is also at the highest point in the designated type of cross-flow cooler, invented two pipes 8 and 9 open. With the help of the garment solved by the fact that the ventilation holes 13 in the upper section of the pipe and volume compensation chamber at the same time as one of the closing points at the end part 6 of the water tank 3 and Firmly connecting the two water tanks and with both larger bores 14 in the lower section of the Hollow beam 55 pipe connection points communicating with the water tanks at the end part 7 of the water unit is formed and also at the lower edge box 4 is constantly part of the cooling water of the cooler block a hollow support unit as a fixed through the pipes 8 and 9, with the water Connection of the two water tanks is provided. comes to rest and the air escapes from it

In a further embodiment of the invention, the can. This air passes through the above the

upper and lower hollow beam assembly each 60 bores 14 located vent holes

designed as pairs of tubes. The tube sheets of the water cycle.

Water boxes are in each case in the area of the order a better air flow through the

To achieve the upper pair of extended end parts with the lower cooler block 1, this is achieved by means of heat

drilled holes of different sizes. The smaller permanent rubber liners 15, for example

Bores are intended for the water inlet 65 are made of cellular rubber, against the pairs of pipes 8, 9

and arranged in the upper section of the end parts, and 10, 11 sealed. With the help of the cooler

while the larger bores for the water ranks 16 and 17 on the water boxes 3 and 4 and

drain provided in the lower section of the end parts due to the stiffened construction, a

A special pocket for stiffening and fastening the cooler can be dispensed with.

Claims (5)

Patent claims: 1. Cross-flow cooler for vehicle engines, with water tanks arranged on both sides of the cooler block and a ventilation and volume compensation chamber attached to the upper edge of the cooler block, characterized in that the ventilation and volume compensation chamber at the same time as one firmly connecting the two water tanks (3, 4) and with both water tanks communicating hollow beam assembly (tubes 8,9) is formed and also at the bottom Edge of the cooler block (1) a hollow support assembly (pipes 10,11) as a fixed connection of the two water tanks is provided. 2. Cross-flow cooler .nach claim 1, characterized in that the upper and the lower Hollow girder assembly are each designed as pairs of tubes (8, 9; 10, 11). 3. cross-flow cooler according to claim 1 and 2, characterized in that the tube sheet of the Water boxes (3,4) extended at their respective in the area of the upper pair of tubes (8,9) End parts are provided with bores of different sizes (13,14). 4. cross-flow cooler according to claims 1 to 3, characterized in that the smaller Bores (13) intended for the water inlet and arranged in the upper portion of the end parts are, while the larger holes (14) for the water drainage in the lower section of the end parts are provided. 5. cross-flow cooler according to claims 1 to 4, characterized in that between Cooler block (1) and upper and lower pairs of tubes (8,9; 10,11) known per se for coolers heat-resistant rubber pads (15 -) - are inserted. ■ - ~~ _. ■. _ · 1 sheet of drawings