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Heat exchanger

a technology of heat exchanger and heat exchanger, which is applied in the direction of heat exchanger fastening, heat exchange apparatus safety devices, lighting and heating apparatus, etc., can solve the problems of long service life of radiators and charge air coolers, high pressure on oil coolers,

Inactive Publication Date: 2009-12-03
LAROUCHE STEVE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0011]According to a further general aspect, there is provided a heat exchanger header comprising: a brazeable substantially straight header plate having an inner surface, an outer surface opposed to the inner surface, a plurality of tube insertion slots extending throughout the header plate and exte

Problems solved by technology

Thus, when operating in relatively cold conditions or when the motor associated with the oil cooler is cold, the oil cooler must sustain high pressure.
Finally, radiators and charge air coolers have a longer operating life if they can support higher pressure when operating in high vibrating environment.

Method used

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Examples

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Embodiment Construction

[0019]FIGS. 1 and 2 show a heat exchanger 10 having a housing 12 covering a core portion 14 and extending between a pair of hollow headers 16 disposed in parallel with each other. Fluid inlet and outlet connectors 18 are mounted to the headers 16 and are in fluid communication with a tank cavity 20 defined in the hollow headers 16, as will be described in more details below.

[0020]The housing 12 includes two opposed and spaced-apart side plates 24 having an edge secured to headers 16.

[0021]FIGS. 2 and 3 show an internal view of the heat exchanger 10. The core portion 14 includes a plurality of heat exchanger flat tubes 26 disposed in parallel with their opposite sides in fluid communication with the hollow headers 16. Corrugated fins 28 are disposed between adjacent heat exchanger tubes 26 and outside the outermost heat exchanger tubes 26. The side plates 24, defining a portion of the housing 12, are disposed outside the outermost corrugated fins 28.

[0022]The heat exchanger tubes 26 ...

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Abstract

A heat exchanger includes a core portion and at least one substantially straight header plate. The core portion includes a plurality of heat exchanger tubes and fins disposed alternatively. The at least one substantially straight header plate has a plurality of insertion slots extending therethrough for receiving a respective end of the heat exchanger tubes therein, the core portion and the at least one header plate being brazeable together

Description

FIELD OF THE INVENTION [0001]The invention relates to heat exchangers and, more particularly, to a method for manufacturing heat exchangers such as radiators, oil coolers, air-to-air heat exchangers (charge air coolers “CAC”), compressors, fuel coolers, conditioned air units, and the like.DESCRIPTION OF THE PRIOR ART [0002]Radiators are heat exchangers that are used to reject heat from the coolant of an internal combustion engine to the ambient. The engine coolant is typically circulated through coolant passages in the engine block to the so-called liquid side of the radiator where it is cooled and then returned to the engine block. Cooling occurs by forcing ambient air through the radiator core.[0003]The thermal efficiency of an engine typically increases as its operating temperature is increased. Consequently, it is desirable to raise the operating temperature of the engine as much as possible to maximize efficiency. The operating temperature can hardly be raised to the point wher...

Claims

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Application Information

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IPC IPC(8): F28F9/02B21D53/02
CPCF28D1/05366F28F9/001Y10T29/4935F28F2265/26F28F2275/04
Inventor LAROUCHE, STEVEBOUCHARD, YVES
Owner LAROUCHE STEVE