Apparatus for cooling a filament forming area of a filament forming apparatus
A cooling apparatus includes a manifold defining a fluid channel, and also includes a plurality of cooling fins connected to the manifold, wherein at least a portion of a surface of the fins includes porous material.
1. A cooling apparatus for cooling a glass filament forming area beneath a bushing of a filament forming apparatus, the cooling apparatus comprising:
a manifold defining a fluid channel; and
a plurality of cooling fins connected to the manifold, wherein at least a portion of a surface of the fins includes porous material, and wherein the porosity of the porous material varies throughout at least one: i) of a length of the fins, or ii) from atop to a bottom of the fins.
2. The cooling apparatus according to claim I, wherein the fluid channel is connected to porous material so that cooling fluid can be infroduced from the fluid channel to the porous material.
3. The cooling apparatus according to claim 1 , wherein the porous material is configured to enable the cooling fluid to move through the porous material by capillary action.
4. The cooling apparatus according to claim 1 , wherein the fins include a bore formed within the fin, and wherein the bore is in fluid communication with the porous material.
5. The cooling apparatus according to claim 1 , wherein the porosity of the porous material increases from a first end to a second end of the fins.
6. The cooling apparatus according to claim 1 , wherein the porosity of the porous material is greater intemiediate a first end and a second end of the fins relative to the porosity at the first end and the second end of the fins.
7. The cooling apparatus according to claim 1 , wherein the portion of the outer surface comprised of the porous material is within the range of from about 20 percent to about90percent of the total outer surface.
8. The cooling apparatus according to claim 1 , wherein the cooling fin includes a substrate and an outer layer of porous material.
9. The cooling apparatus according to claim 8 , wherein the substrate has at least one internal channel and a plurality of apertures configured to provide fluid flow to the outer layer of porous material.
10. The cooling apparatus according to claim 1 , wherein the cooling tin includes at least one neck at a first end of the fin, and a fin body, wherein the neck is narrow relative to the fin body.
11. The cooling apparatus according to claim 1 , wherein the cooling fin includes at least one mask portion, wherein the mask portion is at a first end of the cooling fin.
12. A cooling apparatus for cooling a glass filament forming area beneath a bushing of a filament forming apparatus, the cooling apparatus comprising:
a manifold defining a fluid channel; and
a plurality of cooling fins connected to the manifold, wherein at least a portion of a surface of the fins includes porous material,
wherein the fins include a groove formed on a fin surface, and wherein the groove is in fluid communication with the porous material.
13. An apparatus for producing continuous glass filaments comprising:
a bushing for supplying skeams of molten glass to be drawn into continuous glass filaments; and
a cooling apparatus for cooling a glass filament forming area beneath the bushing, the cooling apparatus including:
a manifold defining a fluid channel; and
a plurality of cooling fins connected to the manifold, wherein at least a portion of a surface of each fin includes porous material, and wherein the porosity of the porous material varies throughout at least one: i) of a length of the fins, or ii) from a top to a bottom of the fins.
14. The cooling apparatus according to claim 13 , wherein the fluid channel is connected to porous material so tat cooling fluid can be introduced from the fluid channel to the porous material.
15. The cooling apparatus according to claim 13 , wherein the porous material is configured to enable the cooling fluid to move through the porous material by capillary action.
16. The cooling apparatus according to claim 13 , wherein the fins include a bore formed within the fin, and wherein the bore is in fluid communication with the porous material.
17. The cooling apparatus according to claim 13 , wherein the porosity of the porous material increases from a first end to a second end of the fins.
18. The cooling apparatus according to claim 13 , wherein the porosity of the porous material is greater intermediate a first end and a second end of the fins relative to the porosity of the first end and the second end of the fins.
19. The cooling apparatus according to claim 13 , wherein the porosity of the porous material increases from bottom to top df the fins.
20. An apparatus for producing continuous glass filaments comprising:
a bushing for supplying streams of molten glass to be drawn into continuous glass filaments; and
a cooling apparatus for cooling a glass filament forming area beneath the bushing, the cooling apparatus including:
a manifold defining a fluid channel; and
a plurality of cooling fins connected to the manifold, wherein at least a portion of a surface of each fin includes porous material, wherein the fins include a groove formed on a fin surface, and wherein the groove is in fluid communication with the porous material.