Heat-exchange apparatus employing moving conduits

3 direct subcodes

Child Classifications

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F28D 11/02 the movement being rotary, e.g. performed by a drum or roller (F28D11/08 takes precedence)
F28D 11/06 the movement being reciprocating or oscillating (F28D11/08 takes precedence)
F28D 11/08 more than one conduit assembly performing independent movements, e.g. rotary bundle of tubes in a rotary drum