3d printed radiator core

Abstract

A 3D printed radiator core that includes a first fluid passageway further having a first sidewall; a second sidewall; a top platform; and a bottom platform. There is a second fluid passageway proximate to, but fluidly isolated from, the first fluid passageway. An at least part of the first fluid passageway is defined in lateral cross-section by the top platform having an upward extending ridge.

What is claimed is: 
     
         1 . A 3D printed radiator core comprising:
 a first fluid passageway further comprising:
 a first sidewall; 
 a second sidewall; 
 a top platform; and 
 a bottom platform; 
   a second fluid passageway proximate to, but fluidly isolated from, the first fluid passageway;   wherein an at least part of the first fluid passageway is defined in lateral cross-section by the top platform having an upward extending curvilinear ridge, and by the bottom platform having a downward extending curvilinear ridge.   
     
     
         2 . The 3D printed radiator core of  claim 1 , wherein the upward extending curvilinear ridge lies proximately above the downward extending curvilinear ridge on a shared vertical axis. 
     
     
         3 . The 3D printed radiator core of  claim 2 , wherein a crest of the upward extending curvilinear ridge is separated from an another crest of the downward extending curvilinear ridge by a ridge height in the range of 0.25 mm to 3 mm. 
     
     
         4 . The 3D printed radiator core of  claim 3 , wherein the top platform comprises a second upward extending curvilinear ridge, and the bottom platform comprises a second downward extending ridge, and wherein the first sidewall and the second sidewall are separated by a sidewall gap in a range of 5 mm to 9 mm. 
     
     
         5 . The 3D printed radiator core of  claim 4 , wherein in the at least part of the first fluid passageway in lateral cross-section comprises a top half of the first fluid passageway substantially symmetrical to a bottom half of the first fluid passageway. 
     
     
         6 . The 3D printed radiator core of  claim 4 , wherein in the at least part of the first fluid passageway in lateral cross-section comprises a first side half of the first fluid passageway substantially symmetrical to a second side half of the first fluid passageway. 
     
     
         7 . The 3D printed radiator core of  claim 1 , the second fluid passageway further comprising:
 a first second fluid passageway sidewall; and   a second second fluid passageway sidewall,   wherein the second fluid passageway is transverse to the first fluid passageway, and   wherein an at least part of the second fluid passageway is defined in lateral cross-section by the first second fluid passageway sidewall having at least one curvature.   
     
     
         8 . The 3D printed radiator core of  claim 7 , wherein the upward extending curvilinear ridge extends into the second fluid passageway. 
     
     
         9 . The 3D printed radiator core of  claim 1 , the first fluid passageway further comprising an entry and an exit, wherein the entry and the exit are separated by a length in a range of 70 inches to about 90 inches, and wherein the upward extending curvilinear ridge extends along the length. 
     
     
         10 . A 3D printed radiator core comprising:
 a first fluid passageway further comprising:
 a first sidewall; 
 a second sidewall; 
 a top platform; and 
 a bottom platform; 
   a second fluid passageway proximate and thermally conductive to, but fluidly isolated from, the first fluid passageway;   wherein an at least part of the first fluid passageway is defined in lateral cross-section by the top platform having an upward extending ridge, and by the bottom platform having a downward extending ridge.   
     
     
         11 . The 3D printed radiator core of  claim 10 , wherein the upward extending ridge lies proximately above the downward extending ridge on a shared vertical axis. 
     
     
         12 . The 3D printed radiator core of  claim 10 , wherein an innermost surface of a crest of the upward extending ridge is separated from an another innermost surface of a crest of the downward extending ridge by a ridge height in a range of 0.4 mm to 2.4 mm, and wherein an amplitude of the crest with reference to the top platform is in a range of 0.1 mm to 1.5 mm. 
     
     
         13 . The 3D printed radiator core of  claim 10 , wherein the top platform comprises a second upward extending ridge, and the bottom platform comprises a second downward extending ridge, and wherein the first sidewall and the second sidewall are separated by a sidewall gap in a range of 5 mm to 9 mm, and wherein at least a portion of an innermost surface of the top platform is separated from an another portion of an innermost surface of the bottom platform by a platform height in a range of 0.2 mm to 1 mm. 
     
     
         14 . The 3D printed radiator core of  claim 13 , wherein the at least part of the first fluid passageway in lateral cross-section comprises a top half of the first fluid passageway substantially reflectionally symmetrical to a bottom half of the first fluid passageway. 
     
     
         15 . The 3D printed radiator core of  claim 10 , wherein the at least part of the first fluid passageway in lateral cross-section comprises a first side half of the first fluid passageway substantially reflectionally symmetrical to a second side half of the first fluid passageway. 
     
     
         16 . The 3D printed radiator core of  claim 15 , wherein an at least part of the second fluid passageway in lateral cross-section comprises a top half of the second fluid passageway substantially rotationally symmetrical to a bottom half of the second fluid passageway. 
     
     
         17 . The 3D printed radiator core of  claim 15 , the second fluid passageway further comprising:
 a first second fluid passageway sidewall; and   a second second fluid passageway sidewall,   wherein the second fluid passageway is transverse to the first fluid passageway, and   wherein an at least part of the second fluid passageway is defined in lateral cross-section by the first second fluid passageway sidewall having at least one curvature.   
     
     
         18 . The 3D printed radiator core of  claim 10 , wherein the upward extending ridge comprises a midpoint on a first vertical axis, and a center of the first fluid passageway comprises a second midpoint to a second vertical axis, wherein a ratio of a lateral distance to the midpoint to a lateral distance to the second midpoint is in a range of 0.45 to 0.55. 
     
     
         19 . A 3D printed radiator core comprising:
 a first fluid passageway further comprising:
 a first sidewall; 
 a second sidewall; 
 a top platform; and 
 a bottom platform; 
   a second fluid passageway proximate to, but fluidly isolated from, the first fluid passageway;   
       wherein an at least part of the first fluid passageway in lateral cross-section comprises a first side half reflectionally symmetrical to a second side half of the first fluid passageway, wherein an at least part of the second fluid passageway in lateral cross-section comprises a top half of the second fluid passageway rotationally symmetrical to a bottom half of the second fluid passageway, wherein the first sidewall and the second sidewall are separated by a sidewall gap in a range of 5 mm to 9 mm, and wherein an at least a portion of an innermost surface of the top platform is separated from an another portion of an innermost surface of the bottom platform by a platform height in a range of 0.2 mm to 1 mm. 
     
     
         20 . The 3D printed radiator core of  claim 19 , wherein the at least part of the first fluid passageway in lateral cross-section further comprises the top platform having an upward extending ridge, and the bottom platform having a downward extending ridge.