Heat exchanger apparatus incorporating elliptically-shaped...

Details Heat exchanger apparatus incorporating elliptically-shaped... Heat exchanger apparatus incorporating elliptically-shaped...

2007-11-20

2007-11-20

Walberg, Teresa J. (Department: 3744)

Heat exchange

Radiator core type

Serially connected tube sections

C165S175000, C165S910000

Reexamination Certificate

active

11393677

ABSTRACT:
A heat exchanger apparatus includes an inlet header, an inlet connection connected to the inlet header, an outlet header, an outlet connection connected to the outlet header and a plurality of serpentine tube bodies. The plurality of serpentine tube bodies interconnect and are in communication with the inlet header and outlet header. Each serpentine tube body has a plurality of straight tube sections and a plurality of U-shaped return bend sections. Each one of the straight tube sections and each one of the return bend sections have an elliptically-shaped cross-sectional configuration. The plurality of serpentine tube bodies are arranged in a juxtaposed manner with consecutive ones of the serpentine tube bodies contacting each other at a point defining a series of stacked common planes disposed parallel with one another.

REFERENCES:
patent: 3106958 (1963-10-01), Simpelaar
patent: 4800955 (1989-01-01), Hagemeister et al.
patent: 6820685 (2004-11-01), Carter et al.
patent: 2002/0023744 (2002-02-01), Kim et al.

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