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

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F28Heat exchange F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT

F28D7/00Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall

F28D7/0008the conduits for one medium being in heat conductive contact with the conduits for the other medium F28D7/0016the conduits for one medium or the conduits for both media being bent F28D7/0025the conduits for one medium or the conduits for both media being flat tubes or arrays of tubes F28D7/0033the conduits for one medium or the conduits for both media being bent F28D7/0041the conduits for only one medium being tubes having parts touching each other or tubes assembled in panel form F28D7/005the conduits for only one medium being tubes having bent portions or being assembled from bent tubes or being tubes having a toroidal configuration F28D7/0058the conduits for only one medium being tubes having different orientations to each other or crossing the conduit for the other heat exchange medium F28D7/0066Multi-circuit heat-exchangers F28D7/0075with particular circuits for the same heat exchange medium F28D7/0083with units having particular arrangement relative to a supplementary heat exchange medium F28D7/0091the supplementary medium flowing in serie through the units F28D7/02the conduits being helically coiled F28D7/022the conduits of two or more media in heat-exchange relationship being helically coiled, the coils having a cylindrical configuration F28D7/024the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration F28D7/026the conduits of only one medium being helically coiled and formed by bent members F28D7/028the conduits of at least one medium being helically coiled, the coils having a conical configuration F28D7/04the conduits being spirally coiled F28D7/06the conduits having a single U-bend F28D7/08the conduits being otherwise bent F28D7/082with serpentine or zig-zag configuration F28D7/085in the form of parallel conduits coupled by bent portions F28D7/087assembled in arrays, each array being arranged in the same plane F28D7/10the conduits being arranged one within the other F28D7/103consisting of more than two coaxial conduits or modules of more than two coaxial conduits F28D7/106consisting of two coaxial conduits or modules of two coaxial conduits F28D7/12the surrounding tube being closed at one end F28D7/14both tubes being bent F28D7/16the conduits being arranged in parallel spaced relation F28D7/1607with particular pattern of flow of the heat exchange media F28D7/1615the conduits being inside a casing and extending at an angle to the longitudinal axis of the casing; the conduits crossing the conduit for the other heat exchange medium F28D7/1623with particular pattern of flow of the heat exchange media F28D7/163with conduit assemblies having a particular shape F28D7/1638with particular pattern of flow or the heat exchange medium flowing inside the conduits assemblies F28D7/1646with particular pattern of flow of the heat exchange medium flowing outside the conduit assemblies F28D7/1653the conduit assemblies having a square or rectangular shape F28D7/1661with particular pattern of flow of the heat exchange media F28D7/1669the conduit assemblies having an annular shape; the conduits being assembled around a central distribution tube F28D7/1676with particular pattern of flow of the heat exchange media F28D7/1684the conduits having a non-circular cross-section F28D7/1692with particular pattern of flow of the heat exchange media