US 11,988,458 B2
Minimal surface core heat exchangers with three-dimensional parametric control
Ahmet T. Becene, West Simsbury, CT (US); Gabriel Ruiz, Broad Brook, CT (US); Feng Feng, South Windsor, CT (US); and James Streeter, Torrington, CT (US)
Assigned to Hamilton Sundstrand Corporation, Charlotte, NC (US)
Filed by Hamilton Sundstrand Corporation, Charlotte, NC (US)
Filed on Mar. 28, 2022, as Appl. No. 17/705,826.
Prior Publication US 2023/0304743 A1, Sep. 28, 2023
Int. Cl. F28D 7/16 (2006.01); B21D 53/06 (2006.01)
CPC F28D 7/16 (2013.01) [B21D 53/06 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A monolithic core for a heat exchanger, the core comprising:
a plurality of three-dimensional unit cells arranged along three orthogonal axes of the core, the three orthogonal axes comprising a first axis, a second axis, and a third axis;
wherein each of the plurality of unit cells has a first dimension comprising an axial extent along the first axis, a second dimension comprising an axial extent along the second axis, and a third dimension comprising an axial extent along the third axis; and
wherein for a first unit cell of the plurality of unit cells, the first dimension is not equal to the second dimension, and wherein for a second unit cell of the plurality of unit cells, the first dimension is equal to the second dimension.