Fin tube heat exchanger

Details Fin tube heat exchanger Fin tube heat exchanger

F - Mech Eng,Light,Heat,Weapons

28

F

257/24

F28F 7/00 (2006.01) F28F 1/32 (2006.01)

Patent

CA 2008884

The present invention relates to a fin tube heat exchanger used in an air conditioner or the like. The heat exchanger is comprised of a plurality of fin plates spaced at regular intervals in parallel with one another and a plurality of heat exchanger tubes arranged in at least one row and extending through the fin plates in a direction perpendicular to the direction in which the fin plates extend. The invention provides a plurality of raised strips formed on each fin plate in a direction perpendicular to an air flow and raised out of the plane of the fin plate, and at least one draining passage formed on each fin plate and extending along the center line of the row of the heat exchanger tubes. In this heat exchanger, air flows between the fin plates and a fluid medium passes through the heat exchanger tubes. Each raised strip has two leg portions which are inclined with respect to the direction of the air flow. The raised strips in one row near to a longitudinal edge of the fin plate are increased in number as compared with those in another row near to the center line of the row of the heat exchanger tubes. No raised strip is formed in the draining passage.

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