Tubes with elongated cross-section for flooded evaporators...

Details Tubes with elongated cross-section for flooded evaporators... Tubes with elongated cross-section for flooded evaporators...

2007-06-12

2007-06-12

Ali, Mohammad M. (Department: 3744)

Refrigeration

Refrigeration producer

Evaporator, e.g., heat exchanger

C165S159000

Reexamination Certificate

active

10986685

ABSTRACT:
In a shell-and-tube heat exchanger with the tubes disposed within the shell for conducting the flow of a fluid to be in heat transfer interaction with a refrigerant contained in the volume formed by the heat exchanger shell and the external surfaces of the tube bundle, the tubes are elongated in their cross-section, with the elongation axis being oriented in the vertical direction to thereby enhance the heat transfer process and potentially reduce the heat exchanger size or tube count. The design features can be applied to both flooded and falling film heat exchangers and are equally applicable to both evaporators and condensers.

REFERENCES:
patent: 3306353 (1967-02-01), Burne
patent: 4755331 (1988-07-01), Merrill et al.
patent: 4981171 (1991-01-01), Tippmann
patent: 5505256 (1996-04-01), Boardman et al.
patent: 5520015 (1996-05-01), Lukas et al.
patent: 5839294 (1998-11-01), Chiang et al.
patent: 6178770 (2001-01-01), Bradley et al.
patent: 6820685 (2004-11-01), Carter et al.
patent: WO 2004/016995 (2004-02-01), None

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