Patent ID: 11859921
Assignee: INTERNATIONAL MEZZO TECHNOLOGIES, INC.
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F  B | IPC B  F

Claim 0:
1. An heat exchanging unit comprising:
a baseplate;
multiple heat exchanging subunits attached to said baseplate wherein each of said multiple heat exchanging subunits are capable of cooling a separate fluid, and wherein each of said heat exchanging subunits comprises:
a core, wherein said core is comprised of:
a plurality of microtubes having a center, an outer diameter, first end and a second end, and wherein said plurality of microtubes are arranged so that each of said plurality of microtubes are parallel to each other and in a rectangular in-line array pattern so a transverse distance exists between said center of each microtube and a longitudinal distance exists between the center of each microtube;
a first tube sheet and a second tube sheet wherein said first and second tube sheets are substantially planar and parallel to each other and each of said first and second tube sheets comprise an array of tube apertures, and wherein said array of tube apertures of said first tube sheet are adjacent to said first ends of said plurality of microtubes and said array of tube apertures of said second tube sheet are adjacent to said second ends of said plurality of microtubes; and
a laser welded metal bond wherein said laser welded metal bond joins each of said first ends of the plurality of microtubes to said first tube sheet and joins each of said second ends of said plurality of microtubes to said second tube sheet.