F - Mech Eng,Light,Heat,Weapons – 28 – F
Patent
F - Mech Eng,Light,Heat,Weapons
28
F
257/27
F28F 1/12 (2006.01) F28F 1/42 (2006.01)
Patent
CA 1154431
HEAT TRANSFER DEVICE HAVING AN AUGMENTED WALL SURFACE ABSTRACT OF THE DISCLOSURE: A heat transfer device having an augmented surface is disclosed. The device comprises a base wall of heat conductive material having a plurality of pyramid-fins formed integrally with the surface of the base wall. The pyramid-fins are regularly spaced apart in the range of about 80-500 pyramid-fins per square inch and have a height in the range of .015 to .040 inch. me base wall is preferably a cylindrical tube and the pyramid-fins are formed as a knurled diamond pattern around the outside periphery of the tube.
381403
Carnavos Theodore C.
Golymbieski Walter J.
Noranda Mines Limited
Primak & Co.
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