Patent · US Expired

Heat exchanger for refrigerator

US6857288B2 · kind B2 · utility

4Cited by
2References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 28, 2002
Grant dateFeb 22, 2005
Priority date
Expiry dateFeb 28, 2022

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF28F1/32
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

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).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.