F - Mech Eng,Light,Heat,Weapons – 28 – G
Patent
F - Mech Eng,Light,Heat,Weapons
28
G
257/26
F28G 13/00 (2006.01) F28D 15/02 (2006.01) F28G 1/12 (2006.01)
Patent
CA 1315772
Abstract of the Disclosure The present invention proposes a heat pipe heat exchanger comprising a hot gas flow duct, a cold gas flow duct and a plurality of heat pipes each with spiral fins around thereof that are installed horizontally a little slanted so that an end of each heat pipe in said hot gas flow duct becomes a little lower than the other end, and that said spiral fins are winding clockwise around some of the heat pipes and counter- clockwise around some other heat pipes. This device can prevent a bias flow of the steel balls at the so-called shot cleaning process performed for elimination of dust deposited on the heat pipes by arranging a layout of the two kinds of heat pipes, namely the heat pipes with clockwise winding fins around thereof and the heat pipes with counter- clockwise winding fins, and if required, can even control the flow of the steel balls so that they gather onto the area where more dust is deposited.
597265
Noda Hajime
Sato Kuniyoshi
Sotani Junji
Gowling Lafleur Henderson Llp
The Furukawa Electric Co. Ltd.
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