Heat exchange device

Inactive Publication Date: 2017-11-23
BORGWARNER EMISSIONS SYST SPAIN S L U
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0050]If the tubular segment is the inlet, the inflow tends to follow the path established by the geometric extension of the tubular segment due to inertia. This inertia makes the inflow through the tubular segment be non-homogenous when it passes through the manifold and maintain the jet effect without distribut

Problems solved by technology

Solutions of this type have two drawbacks, the first being the use of additional parts that must be manufactured, for example, by die-cutting and stamping, and subsequently attached by welding.
This second attachment is complex since the baffle has a warped configuration, is located inside a tube and therefore in a some

Method used

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Example

[0070]In a first embodiment shown in FIGS. 1 to 5, the heat exchanger is a heat exchanger for an EGR system where the first fluid (11) is a hot gas and the second fluid (12) is a liquid coolant.

[0071]FIG. 1 shows a heat exchange device formed by a main body comprising a shell (6) housing a tube bundle (5), which can be clearly seen in the sections shown in FIGS. 3 and 5, for heat exchange. The main body has a prismatic configuration with rectangular bases and extends along a longitudinal direction identified as X-X′, as shown in the sections of FIGS. 3 and 5.

[0072]The tube bundle (5) is formed by flat tubes fixed at their ends to a first baffle (1) and to a second baffle (2). As shown in FIG. 5, the inlet (I) for the first fluid is at the access openings into the inside of the flat tubes of the tube bundle (5), and the outlet (O) for the first fluid is at the access openings at the opposite end, wherein in this embodiment the ends of the flat tubes slightly overtakes the surface of ...

Example

[0086]FIGS. 6 to 10 show a second embodiment, a condenser for recovering heat from a fluid in the gas phase. This condenser is a heat exchanger that transfers heat from the first fluid (11), a fluid in vapor phase such as ethanol, for example, to the second fluid (12), a liquid, for the purpose of bringing about the change of phase in the first fluid (11).

[0087]In this second embodiment, the heat exchanger is configured according to a prismatic main body with rectangular bases comprising a tube bundle (5) housed in a shell (6) made of die-cut and stamped plate.

[0088]The tube bundle (5) extends along a longitudinal direction which will be identified as X-X′, like in the first embodiment.

[0089]In this embodiment, the tube bundle (5) is formed by stacking flat tubes configured from pairs of stamped and die-cut plates. Each of the tubes of the tube bundle (5) has an expansion (5.1) of their ends with a rectangular configuration according to their section, such that it is in this expansi...

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PUM

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Abstract

The invention relates to a heat exchange device characterized by a particular configuration of the liquid inlet or outlet manifold in which it incorporates a baffle formed from the shell itself. This configuration allows not only suitably orient the inflow into regions of the tube bundle of the exchanger where convection must be more intense, but also allows generating a flow suitable for reaching all the regions having a higher convective heat transfer requirement. Configuring a baffle from the shell prevents incorporating and manufacturing specific additional parts, as well as the additional operations required for their configuration and attachment to the heat exchanger.

Description

CROSS REFERENCE TO RELATED APPLICATIONS[0001]This application is filed under 35 U.S.C. §119(a) and claims priority to European Patent Application No. EP16382220.8, filed May 19, 2016 and entitled “Heat Exchange Device” in the name of Manuel José DIÉGUEZ FORTES et al., incorporated herein by reference in its entirety.OBJECT OF THE INVENTION[0002]The present invention is a heat exchange device characterized by a particular configuration of the liquid inlet or outlet manifold wherein a baffle formed from the shell itself is incorporated.[0003]This configuration allows not only suitably orienting the inflow in regions of the tube bundle of the exchanger where convection must be more intense, but also allows generating a flow suitable for reaching all the regions having a higher convective heat transfer requirement.[0004]Configuring a baffle from the shell prevents incorporating and manufacturing specific additional parts as well as the additional operations required for their configurat...

Claims

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Application Information

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IPC IPC(8): F28D7/00F28D7/16F28D21/00
CPCF28D7/0091F28D2021/0026F28D7/1692F28D7/16F28F9/0265F28F9/001F28F9/0246F28D7/1684F28D21/0003F02M26/28
Inventor DIEGUEZ FORTES, MANUEL JOSEPINEIRO LOSADA, SIMONCARRERA GARC A, JULIO ABRAHAM
Owner BORGWARNER EMISSIONS SYST SPAIN S L U
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