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Cross-over rib plate pair for heat exchanger

A heat exchanger, plate pair technology, applied in the direction of heat exchange equipment, indirect heat exchanger, heat exchanger type, etc., can solve the problem of not considering different characteristics and so on

Inactive Publication Date: 2007-03-14
DANA CANADA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In conventional cross-ribbed sheet designs, the fluid passing around the deflection section is mixed indiscriminately, without taking such distinguishing properties into account

Method used

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  • Cross-over rib plate pair for heat exchanger
  • Cross-over rib plate pair for heat exchanger
  • Cross-over rib plate pair for heat exchanger

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] Referring to FIG. 1 , an exemplary embodiment of a heat exchanger, generally indicated by reference numeral 10 , consists of a plurality of plate pairs 20 formed from back-to-back plates 14 of the type shown in FIGS. 2-5 . Plate pairs 20 are stacked tubular members formed from plates 14 having enlarged distal portions or protrusions 22, 26 so that fluid flow takes a generally U-shaped path through plate pairs 20, wherein the distal portions Alternatively the projections 22 , 26 have an inlet opening 24 and an outlet opening 28 . In an example embodiment, the airside fins 12 are positioned between adjacent pairs of plates 20 . Protrusions 22 on one side of the plate join together to form an inlet manifold and protrusions 26 on the other side of the plate join together to form an outlet manifold. The heat exchanger 10 may include longitudinal inlet pipes 15 that enter manifold openings 24 in the plates to deliver incoming fluid, such as a two-phase flow, a gas / liquid mix...

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PUM

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Abstract

A multipass plate pair for conducting a fluid in a heat exchanger, including first and second plates, each having at least two longitudinal columns of externally protruding obliquely angled ribs formed therein and separated by a longitudinal flat section extending from substantially a first end of the plate to a terminus spaced apart from a second end of the plate. Each plate includes, between the terminus and the second end, a turn portion joining the two longitudinal columns. The first and second plates are joined together to form first and second internal flow channels. The turn portions define at least a first internal flow path for directing fluid from the upstream area of the first internal flow channel to the downstream area of the second internal flow channel and a second internal flow path for directing fluid from the downstream area of the first internal flow channel to the upstream area of the second internal flow channel.

Description

technical field [0001] The present invention relates to heat exchangers made from pairs of plates wherein internal flow paths through the pairs of plates are defined by cross-over ribs. Background technique [0002] Heat exchangers are typically formed from a plurality of plate pairs that are stacked and brazed, soldered, or mechanically or otherwise bonded and sealed. In some applications, such as in refrigerant evaporator systems, the heat exchanger is formed from stacked pairs of plates each defining an internal U-shaped flow path for the refrigerant. In some plate pair heat exchangers, outwardly projecting ribs disposed on each plate of a plate pair cooperate to form a U-shaped flow path. In such a ribbed plate construction, the ribs on each plate are angled in a common direction so that when two plates are arranged facing each other to form a plate pair, the ribs on one plate provide the The internal grooves intersect with a plurality of internal grooves provided by t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28F3/08F28F3/12F28D1/03F28D1/02F28F3/14
CPCF28D1/0341F28F3/046F28F9/0273F28F3/08F28F3/12F28D1/03
Inventor P·K·比滕博夫
Owner DANA CANADA CORP
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