F - Mech Eng,Light,Heat,Weapons – 28 – D
Patent
F - Mech Eng,Light,Heat,Weapons
28
D
F28D 7/16 (2006.01) F28F 1/02 (2006.01)
Patent
CA 2588875
In a heat exchanger (14), a plurality of heat conductive pipes (120) forming first passages (108) are provided between an outer wall plate (92) and an inner wall plate (122). Air flows through the first passages (108). Second passages (110) are formed between the heat conductive pipes (120). An exhaust gas flows through the second passages (110). Each of the heat conductive pipes (120) has opposite walls (120a, 120b) limiting the passage width of the first passage (108). The walls (120a, 120b) are formed along involute curves. The second passages (110) are formed by providing adjacent heat conductive pipes (120) along the involute curves.
La présente invention concerne un échangeur thermique (14) comportant une pluralité de tubes thermoconducteurs (120) formant des premiers passages (108) entre une platine extérieure (92) et une platine inférieure (122). L'air traverse les premiers passages (108). Des seconds passages (110) sont formés entre les tubes thermoconducteurs (120). Un gaz d'échappement traverse les seconds passages (110). Chacun des tubes thermoconducteurs (120) est pourvu de parois opposées (120a, 120b) limitant la largeur du premier passage (108). Ces parois (120a, 120b) sont en courbes involutives. Les seconds passages (110) résultent de la réalisation de tubes thermoconducteurs consécutifs (120) en courbes involutives.
Honda Motor Co. Ltd.
Smart & Biggar
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