Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall

Child Classifications

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• F28D 7/0008
• F28D 7/0041
• F28D 7/005
• F28D 7/0058
• F28D 7/0066
• F28D 7/02 the conduits being helically coiled (F28D7/10 takes precedence )
• F28D 7/04 the conduits being spirally coiled (F28D7/10 takes precedence)
• F28D 7/06 the conduits having a single U-bend (F28D7/10 takes precedence)
• F28D 7/08 the conduits being otherwise bent, e.g. in a serpentine or zig-zag (F28D7/10 takes precedence)
• F28D 7/10 the conduits being arranged one within the other, e.g. concentrically
• F28D 7/16 the conduits being arranged in parallel spaced relation (; F28D7/02 - F28D7/10 take precedence)