Refrigeration – Refrigeration producer – Evaporator – e.g. – heat exchanger
Reexamination Certificate
2005-02-22
2005-02-22
Jiang, Chen-Wen (Department: 3744)
Refrigeration
Refrigeration producer
Evaporator, e.g., heat exchanger
C062S515000, C165S146000, C165S172000
Reexamination Certificate
active
06857288
ABSTRACT:
The present invention relates to a heat exchanger in a refrigerator having a simple structure and an improved heat exchange performance. For this, the present invention includes refrigerant tubes (10) having a plurality of straight parts (11) and a plurality of curved parts (12) connected between the straight parts arrange to form one or more columns perpendicular to each other, a plurality of straight plate type fins (20) fitted to the straight parts (11) of the refrigerant tubes (10) by means of a plurality of through holes (21) formed therein to form one or more than columns along a length direction, and one pair of reinforcing plates (30) fitted to the straight parts of the refrigerant tubes on both sides of the fins, wherein ST=D/N, where D denotes a width of the reinforcing plate (30), ST denotes a distance between centers of the refrigerant tube in each column, N denotes a number of the columns of the refrigerant tubes (21).
REFERENCES:
patent: 4202182 (1980-05-01), Kawashima et al.
patent: 4715437 (1987-12-01), Tanaka et al.
patent: 6249543 (1994-09-01), None
Choi Bong Jun
Ha Sam Chul
Jeong Seong Hai
Jeong Young
Kim Cheol Hwan
Fleshner & Kim LLP
Jiang Chen-Wen
LG Electronics Inc.
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