Patent ID: 8267160
Filing Date: 2012-09-18
Classification: F28F

Abstract:
1. A fin, comprising: a substantially flat base plane having a first side facing a first direction and a second side facing a second direction; a first louver comprising a leading edge and a trailing edge, wherein the first louver leading edge is closer to the base plane than the first louver trailing edge and the first louver trailing edge is offset from the base plane in the first direction; a second louver located at least partially downstream of the first louver, the second louver comprising a leading edge and a trailing edge, wherein the second louver leading edge is offset from the base plane in the second direction and the second louver trailing edge is offset from the base plane in the first direction; and a third louver located at least partially downstream of the second louver, the third louver comprising a leading edge and a trailing edge, wherein the third louver leading edge is offset from the base plane in the second direction and the third louver trailing edge is closer to the base plane than the third louver leading edge; wherein the space between the first louver and the second louver is free of louvers and wherein the space between the second louver and the third louver is free of louvers.