Heat exchanger

Details Heat exchanger Heat exchanger

1992-03-16

1994-05-24

Flanigan, Allen J.

Heat exchange

Side-by-side tubular structures or tube sections

With manifold type header or header plate

165177, F28D 1047

Patent

active

053140133

ABSTRACT:
An evaporator for an automotive air conditioning refrigeration circuit includes first and second header pipes, a plurality of communicating members which comprise a substantially U-shaped communication path therein, and a corrugated fin unit fixedly disposed between the U-shaped flat pipes. The first and second header pipes are disposed parallel to each other. Each of the U-shaped flat pipes includes a pair of straight portions and a U-shaped curved portion which connects the lower ends of the straight portions. An upper end of one of the straight portions is fixedly and hermetically connected to the first header pipe, and an upper end of the other straight portion is fixedly and hermetically connected to the second header pipe. The pair of the straight portions and the U-shaped curved portion of the U-shaped flat pipe extend along a plane which is parallel to the flow direction of air passing an exterior surface of the evaporator.

REFERENCES:
patent: 3746525 (1973-07-01), Kasuga et al.
patent: 4770240 (1988-09-01), Dawson et al.
patent: 4825941 (1989-05-01), Hoshiro et al.
patent: 4860823 (1989-08-01), Noguchi

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