(57) A heat exchanger (10) comprises at least one conduit (16,17) which has a plurality
of slots (16C,17C) therein. A plurality of tube units (12,22) each has at least one
open end (12A,22A) thereof. The open end (12A,22A) of each the tube units (12,22)
is fixedly and hermetically coupled to the slots (16C,17C) of at least one conduit
(16,17). The tube units (12,22) in fluid communication with the interior of the conduit
(16,17) through the open end (12A,22A) of each tube unit (12,22). A limiting mechanism
(126,226) is provided adjacent to the open end (12A,22A) of the tube units (12,22)
for limiting the conduit (16,17) to have a predetermined position without inclining
related to the tube units (12,22).
Thereby, the heat exchanger (10) could be temporally assembled without any relative
sliding motion between the plurality of tubes and tanks while simultaneously non-decreasing
the efficiency of manufacturing costs of the heat exchanger.
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