Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid

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

F28D1/00Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid

F28D1/02with heat-exchange conduits immersed in the body of fluid F28D1/0206Heat exchangers immersed in a large body of liquid F28D1/0213for heating or cooling a liquid in a tank F28D1/022for immersion in a natural body of water F28D1/0226with an intermediate heat-transfer medium F28D1/0233with air flow channels F28D1/024with an air driving element F28D1/0246heat-exchange elements having several adjacent conduits forming a whole F28D1/03with plate-like or laminated conduits F28D1/0308the conduits being formed by paired plates touching each other F28D1/0316Assemblies of conduits in parallel F28D1/0325the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another F28D1/0333the plates having integrated connecting members F28D1/0341with U-flow or serpentine-flow inside the conduits F28D1/035with U-flow or serpentine-flow inside the conduits F28D1/0358the conduits being formed by bent plates F28D1/0366the conduits being formed by spaced plates with inserted elements F28D1/0375the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another F28D1/0383with U-flow or serpentine-flow inside the conduits F28D1/0391a single plate being bent to form one or more conduits F28D1/04with tubular conduits F28D1/0408Multi-circuit heat exchangers F28D1/0417with particular circuits for the same heat exchange medium F28D1/0426with units having particular arrangement relative to the large body of fluid F28D1/0435Combination of units extending one behind the other F28D1/0443Combination of units extending one beside or one above the other F28D1/0452Combination of units extending one behind the other with units extending one beside or one above the other F28D1/0461Combination of different types of heat exchanger F28D1/047the conduits being bent F28D1/0471the conduits having a non-circular cross-section F28D1/0472the conduits being helically or spirally coiled F28D1/0473the conduits having a non-circular cross-section F28D1/0475the conduits having a single U-bend F28D1/0476the conduits having a non-circular cross-section F28D1/0477the conduits being bent in a serpentine or zig-zag F28D1/0478the conduits having a non-circular cross-section F28D1/053the conduits being straight F28D1/05308Assemblies of conduits connected side by side or with individual headers F28D1/05316Assemblies of conduits connected to common headers F28D1/05325with particular pattern of flow F28D1/05333with multiple rows of conduits or with multi-channel conduits F28D1/05341with multiple rows of conduits or with multi-channel conduits combined with a particular flow pattern F28D1/0535the conduits having a non-circular cross-section F28D1/05358Assemblies of conduits connected side by side or with individual headers F28D1/05366Assemblies of conduits connected to common headers F28D1/05375with particular pattern of flow F28D1/05383with multiple rows of conduits or with multi-channel conduits F28D1/05391with multiple rows of conduits or with multi-channel conduits combined with a particular flow pattern F28D1/06with the heat-exchange conduits forming part of, or being attached to, the tank containing the body of fluid