Heat exchanger framework

Details Heat exchanger framework Heat exchanger framework

2006-07-17

2008-12-16

Wilson, Gregory A (Department: 3749)

Liquid heaters and vaporizers

Supports

C122S511000, C376S462000, C165S162000

Reexamination Certificate

active

07464671

ABSTRACT:
A structural framework for supporting the heat exchanger of a steam generator, the former being comprised of serpentine tubes having sloped segments to facilitate the drainage of water from the heat exchanger when the steam generator is shutdown. The structural framework includes paired groups of vertically and diagonally extending first support members contiguously straddling the sloped-tube segments. The paired first support members are rigidly connected by second support members which extend between adjacent sloped-tube segments. The structural framework preserves the spacing between the sloped-tube segments and prevents direct contact between adjoining tube surfaces, but is not attached to the straddled tube segments and, thus, provides a tube supporting fit that is loose enough to permit the tubes to move freely due to expansion and contraction at different rates from that of the structural framework.

REFERENCES:
patent: 2140279 (1938-12-01), Buell
patent: 4123994 (1978-11-01), Gersch et al.
patent: 4337827 (1982-07-01), Jabsen
patent: 4480594 (1984-11-01), Sullivan et al.
patent: 4637455 (1987-01-01), Tordonato
patent: 4738225 (1988-04-01), Juang
patent: 6178926 (2001-01-01), Worman
patent: 6244330 (2001-06-01), Eisinger et al.

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