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U.S. Department of Energy
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IMPROVEMENTS IN OR RELATING TO VALVED DUCTING

Patent ·
OSTI ID:4828882
A coaxial valved ducting is designed for fluid flow to and from a heat exchanger. The ducting comprises an inner pipe for flow of hot fluid, an outer pipe providing an annular passage for the countercurrent flow of cool fluid, a butterfly valve in the inner pipe, peripherally spaced longitudinal ribs joining the two pipes in the region of the valve, an extension of the outer pipe, and a butterfly or poppet valve associated with the extension. the inner pipe communicates with the heat exchanger by means of an extension through the outer pipe wall. (D.L.C.)
Research Organization:
Originating Research Org. not identified
NSA Number:
NSA-16-020621
OSTI ID:
4828882
Report Number(s):
GB 897444
Country of Publication:
United Kingdom
Language:
English

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