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Cross-sectional Views

Axial Flow Path
Circuit A
Spiral Flow Path
Circuit B
Cross section diagram
Cross section diagram
Cross section diagram
A dimpled sheet with a non-aligning dimple pattern is folded with a flow baffle between. The flow baffle extends part way from the circuit connections to the far edge of the sheet. The dimples are the spacers which form circuits A and B.
Cross section diagram
The Folded Sheet is then wound in a self enclosing spiral. All edges are then welded and this spiral bundle is finally contained in a jacket which forms the shell and contains circuit A.



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