F - Mech Eng,Light,Heat,Weapons – 28 – D
Patent
F - Mech Eng,Light,Heat,Weapons
28
D
F28D 1/04 (2006.01) F28F 1/10 (2006.01) F28F 1/30 (2006.01) F28F 1/32 (2006.01)
Patent
CA 2574772
A heat exchanger apparatus (10) that has one or more tubes (12) for carrying a first heat transfer fluid, such as a refrigerant. Fins are provided in thermal communication with the tubes. Some of the fins have fin collar bases (16) that are positioned around the outside perimeters of the tubes (12). One or more bumps (20) protrude from at least some of the fin collar bases (16). The bumps disturb a second heat transfer fluid, such as air, that passes over the fins (14) and the tubes (12). Also disclosed is a method for improving the efficiency of heat exchangers.
La présente invention concerne un appareil échangeur thermique (10) comprenant un ou plusieurs tubes (12) pour transporter un premier fluide caloporteur, tel qu'un fluide frigorigène. Des ailettes sont en communication thermique avec lesdits tubes. Certaines de ces ailettes présentent des bases de collier d'ailette (16) qui sont placées autour des périmètres extérieurs des tubes (12). Une ou plusieurs bosses (20) font saillie d'au moins une des bases de collier d'ailette (16). Ces bosses entravent un second fluide caloporteur, tel que de l'air, qui passe sur les ailettes (14) et les tubes (12). Cette invention concerne également un procédé pour améliorer l'efficacité d'échangeurs thermiques.
Gong Ying
Zhu Xiaobo
Advanced Heat Transfer Llc
Borden Ladner Gervais Llp
Luvata Grenada Llc
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