Heat exchanger

Details Heat exchanger Heat exchanger

1986-04-14

1987-12-29

Davis, Jr., Albert W.

Heat exchange

Radiator core type

Side-by-side tubes traversing fin means

F28D 104

Patent

active

047154373

ABSTRACT:
Disclosed is a heat exchanger having a plurality of flat fins disposed in parallel at predetermined intervals and adapted such that the air flows therebetween and a plurality of heat-transfer tubes disposed to intersect at right angles with the plurality of fins and adapted such that a fluid flows therethrough. The heat-transfer tubes are arranged such that a line connecting the adjacent heat-transfer tubes in the longitudinal direction of the fin is perpendicular to the direction of the air flow. The projection area in the direction of the air flow of any of the heat-transfer tubes located on the upstream side with respect to the air flow partially overlaps the position of at least one of the heat-transfer tubes disposed on the downstream side thereof. The pitch of adjacent heat-transfer tubes is smaller in the direction perpendicular to the air flow than in the direction of the air flow. Such an arrangement excells in both the frosting characteristics and performance.

REFERENCES:
patent: 1739672 (1924-12-01), Higgin

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