F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 11/12 (2006.01) B29C 53/58 (2006.01) F16L 9/00 (2006.01)
Patent
CA 2519011
The invention relates to piping comprising a portion wherein the centreline of the portion follows a substantially helical path, wherein the amplitude of the helix is less than or equal to one half of the internal diameter of the piping. When fluid flows in such piping, it is made to swirl. This provides a number of advantages, such as improved in-plane mixing of the fluid, enhanced uniformity of residence time, and so on. The invention also extends to various methods of making such piping.
Cette invention concerne des tuyaux hélicoïdaux comprenant un tronçon dont l'axe suit une trajectoire sensiblement hélicoïdale, l'amplitude de l'hélice étant inférieure ou égale à la moitié du diamètre interne des tuyaux. Lorsqu'un fluide s'écoule dans ce type de tuyaux, il est amené à tourbillonner, ce qui présente un certain nombre d'avantages. On obtient notamment un meilleur mélange dans le plan du fluide et une uniformité renforcée du temps de séjour. Cette invention concerne également différents procédés de fabrication de ces tuyaux.
Caro Colin Gerald
Watkins Nicholas V.
Fetherstonhaugh & Co.
Imperial College Innovations Limited
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