Segmented annular recuperator and method

Details Segmented annular recuperator and method Segmented annular recuperator and method

1988-08-04

1990-04-17

Schwadron, Martin P.

Heat exchange

Flow passages for two confined fluids

Interdigitated plural first and plural second fluid passages

165 81, F28F 300

Patent

active

049171810

ABSTRACT:
A plate-type annular heat exchange cylinder which has increased resistance to cracking under the stress of heat gradients. The invention comprises providing the cylinder in the form of two or more longitudinal segments, such as hemi-cylinders, spaced by axial narrow expansion slots, sealing the spaces between adjacent pairs of the plates of each segment and each expansion slot, uniting the segments by attaching radial coupling plates over the slots at each end of the segments, and blocking the inner peripheral entrance of each axial slot by attaching a narrow gas seal strip thereover.

REFERENCES:
patent: 3424240 (1969-01-01), Stein et al.
patent: 3831674 (1974-08-01), Stein et al.
patent: 4431050 (1984-02-01), Martin
patent: 4470454 (1984-09-01), Laughlin et al.

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