Plate type heat exchanger

A non-gasketed, plate type heat exchanger comprising:

• a plurality of substantially rectangular first heat exchange plates arranged in stacked relation, each of said first heat exchange plates including a first heat transfer section, a peripheral flange extending downwardly from said first heat transfer section, a first depression extending downwardly from said first heat transfer section and including a first flow opening extending therethrough;
• a second depression extending downwardly from said first heat transfer section and including a second flow opening extending therethrough, a third flow opening defined within said first heat transfer section, a fourth flow opening defined within said first heat transfer section, said first and third flow openings within each of said first heat exchange plates being positioned in opposing relation with respect to said second and fourth flow openings therein;
• a plurality of substantially rectangular second heat exchange plates arranged in alternating, stacked relation with said first heat exchange plates, each of said second heat exchange plates including a second heat transfer section, a peripheral flange extending downwardly from said second heat transfer section, a first depression extending downwardly from said second heat transfer section and including a first flow opening extending therethrough;
• a second depression extending downwardly from said second heat transfer section and including a second flow opening extending therethrough, a third flow opening defined within said second heat transfer section, a fourth flow opening defined within said second heat transfer section, said first and third flow openings within each of said second heat exchange plates being positioned in opposing relation with respect to said second and fourth flow openings therein;
• said first, second, third and fourth flow openings of said first heat exchange plates being in fluid communication with said third, fourth, first and second flow openings, respectively, of said second heat exchange plates positioned adjacent thereto;
• a plurality of turbulators arranged in alternating, stacked relationship with said first and second heat exchange plates, said turbulators being positioned between said opposing pairs of flow openings defined within said first and second heat exchange plates, respectively;
• said first and second depressions of each of said first and second heat transfer plates being in contact with said heat transfer plate positioned immediately below;
• said first and second heat transfer plates being respectively brazed to each other and to said respective turbulators.

A plate type heat exchanger comprising:

• a plurality of first heat exchange plates arranged in stacked relation, each of said first heat exchange plates including a first heat transfer section, a peripheral flange extending downwardly from said first heat transfer section, a first depression extending downwardly from said first heat transfer section and including a first flow opening extending therethrough, and a second flow opening defined within said first heat transfer section;
• a plurality of second heat exchange plates arranged in alternating, stacked and nested relation with said first heat exchange plates, each of said second heat exchange plates including a second heat transfer section, a peripheral flange extending downwardly from said second heat transfer section, a first depression extending downwardly from said second heat transfer section and including a first flow opening extending therethrough, and a second flow opening defined within said second heat transfer section;
• said first flow opening of at least one of said first heat exchange plates adjoining said second flow opening of at least one of said second heat exchange plates;
• a top plate mounted in stacked relation to one of said first heat exchange plates or second heat exchange plates;
• a nozzle including a base portion and a conduit extending from said base portion, at least part of said base portion being locked between said top plate and one of said first and second heat exchange plates;
• a bottom plate mounted in stacked relation to one of said first or second heat exchange plates, said bottom plate including at least one downwardly extending depression, and
• supporting means mounted to said bottom plate, said supporting means including an opening for receiving said depression of said bottom plate.

A plate type heat exchanger comprising:

• a plurality of substantially rectangular first heat exchange plates arranged in stacked relation, each of said first heat exchange plates including a pair of opposing lateral sides and a pair of opposing longitudinal sides, each of said first heat exchange plates further including a first heat transfer section, a peripheral flange extending downwardly from said first heat transfer section, a first depression extending downwardly from said first heat transfer section and including a first flow opening extending therethrough, said first flow opening within said first heat exchange plate being located adjacent to one of said lateral sides of said first heat exchange plate, a second flow opening defined within said first heat transfer section, said second flow opening within said first heat transfer section being located adjacent to one of said lateral sides of said first heat exchange plate, a first projection extending upwardly from said first heat transfer section and positioned substantially between said first and second flow openings within said first heat exchange plate, and a second depression extending downwardly from said first heat transfer section and positioned substantially between said first and second flow openings within said first heat exchange plate;
• a plurality of substantially rectangular second heat exchange plates arranged in alternating, stacked relation with said first heat exchange plates, each of said second heat exchange plates including a pair of opposing lateral sides and a pair of opposing longitudinal sides, each second heat exchange plate further including a second heat transfer section, a peripheral flange extending downwardly from said second heat transfer section, a first depression extending downwardly from said second heat transfer section and including a first flow opening extending therethrough, a second flow opening defined within said second heat transfer section, said first flow opening within said second heat exchange plate being adjacent to one of said lateral sides of said second heat transfer plate, said second flow opening within said second heat transfer section being adjacent to one of said lateral sides of said second heat exchange plate, a first projection extending upwardly from said second heat transfer section, and a second depression extending downwardly from said second heat transfer section;
• said first flow opening of at least one of said first heat exchange plates adjoining said second flow opening of at least one of said second heat exchange plates;
• said second depression of said at least one of said first heat exchange plates adjoining said first projection of said at least one of said second heat exchange plates;
• and
• a plurality of turbulators arranged in alternating, stacked relation between each of said first heat exchange plates and second heat exchange plates.