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Cooler and method of cooling a medium

a technology of cooling medium and cooler, which is applied in the field of cooler, can solve the problems of increasing requiring an enlarged construction space, etc., and achieves the effect of preventing adverse effects and avoiding an increase in the pressure drop inside the cooler

Inactive Publication Date: 2005-06-09
BEHR GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0006] One object of the present invention is to provide a cooler and a method of cooling a medium which avoid the above-described disadvantages of the prior art. A particular object is to avoid an increase in the pressure drop inside the cooler. A further object is to prevent adverse effects from occurring with regard to the construction space of the cooler.

Problems solved by technology

In the different embodiments, different problems occur, in particular in connection with the aim of increasing the cooling capacity.
However, the cooler thus requires an enlarged construction space, a factor which is a disadvantage in principle.
A disadvantage with this solution, however, is that an increased pressure drop occurs inside the cooler.

Method used

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  • Cooler and method of cooling a medium

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first embodiment

[0053]FIG. 1 shows a cooler according to the invention in perspective representation. The cooler has a multiplicity of baffle plates 32 which are arranged in layers one above the other and expose an opening 44 in an inner region as means 28 for directing a medium to be cooled. The cooler is defined on the underside by a coolant box or tank 72. A tank 74 is provided on the top side. The interior of the top tank 74 is provided with two separating elements 76, 78. Cooling medium is directed into the right-hand part of the tank 74. Cooling medium is extracted from the left-hand part of the tank 74. From the right-hand part of the tank 74, the cooling medium passes into the openings 10 which continue in the axial direction through the cooler in the form of tubes. From tubes 12, which likewise continue in the axial direction through the cooler, the heated cooling medium passes into the left-hand part of the tank 74. The bottom tank 72 is designed in such a way that the cooling medium is d...

second embodiment

[0054]FIG. 2 shows a partly cutaway second embodiment of a cooler according to the invention in perspective representation. The cooler according to FIG. 2 may be provided with baffle plates 32 over its entire inner axial length, although, for the sake of clarity, only some baffle plates 32 arranged in the bottom region and one baffle plate 32 arranged in the top region are shown in this case. The cooler is surrounded by a housing 40. Arranged in the top region of the housing is a tank 88 which has a partition 90 running in the circumferential direction. Cooling medium is directed into the radially inner part of the tank 88, and cooling medium is extracted from the radially outer part of the tank 88. The cooling medium directed into the tank passes through the tubes 14, which extend axially downward into the cooler, into the region of the baffle plates 32. The tubes 14 are curved in the bottom region, and they merge into the part of the tubes which is identified by the reference nume...

third embodiment

[0060]FIG. 8 shows a partly cutaway third embodiment of a cooler according to the invention in perspective representation. In this embodiment of a cooler according to the invention, a multiplicity of disks 70 are arranged inside a housing 42. One of these disks is shown individually in FIG. 10. Cooling liquid can be directed into the cooler through an opening 18. This cooling liquid then passes into a passage 24 which is formed by openings in the disks 70. The disks are arranged in such a way that passages 22 running in the circumferential direction are formed, which will be explained in more detail below with reference to FIG. 10. The cooling liquid directed into the passage 24 can thus be distributed in the circumferential direction through the passages 22 and can discharge again from the cooler through the opening 20. Cooling fins 36, 38 are arranged between the disks 70, which themselves are arranged in pairs in each case to form a closed passage. Air entering the opening 48, wh...

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Abstract

The invention relates to a cooler having means for directing a cooling medium, means for directing a medium to be cooled, and an essentially axially symmetrical housing. The means for directing the medium to be cooled is arranged in such a way that the medium to be cooled, in at least one first region, flows in an essentially axial direction, and the medium to be cooled, in at least one second region, flows in a direction having a radial component. The invention also relates to a method of cooling a medium and to various uses of a cooler according to the invention.

Description

CROSS-REFERENCE TO RELATED PATENT APPLICATIONS [0001] The present application is a divisional of U.S. application Ser. No. 10 / 226,194, filed Aug. 23, 2002, the entire contents of which are incorporated herein by reference. [0002] German Priority Application 101 41 490.0, filed Aug. 24, 2001, including the specification, drawings, claims and abstract, is incorporated herein by reference in its entirety.BACKGROUND OF THE INVENTION [0003] The invention relates to a cooler having means for directing a cooling medium, means for directing a medium to be cooled, and an essentially axially symmetrical housing. The invention also relates to a method of cooling a medium, in which a cooling medium and a medium to be cooled are directed in an essentially axially symmetrical housing. [0004] Coolers of the generic type and methods of the generic type are used, for example, for the charge-air pre-cooling of an exhaust-gas turbocharger. Such charge-air coolers serve to cool the air compressed by th...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): F02B29/04F28D7/06F28D7/16F28D9/00F28F1/32F28F1/34
CPCF02B29/0412F02B29/0462F28D7/06F28D7/1676F28F2215/00F28D2021/0082F28F1/32F28F1/34Y02T10/146F28D9/0012Y02T10/12
Inventor EMRICH, KARSTEN
Owner BEHR GMBH & CO KG
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