Patent · US Expired

Heat transfer fin

US4791984A · kind A · utility

8Cited by
2References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 24, 1987
Grant dateDec 20, 1988
Priority date
Expiry dateApr 24, 2007

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 louvered heat transfer fin in which the air-passing resistance of the louver is varied so as to increase the overall heat exchange quantity, and thereby to greatly enhance the heat transfer performance of the fin. The arrangement of each louver is such that the projection area in the vicinity of the longitudinal central portion of the louver projected in the direction in which air passes is larger than the projection area of each of the longitudinal end sides of the louver projected in the same direction.

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