Patent · US Expired

Heat exchanger

US4756362A · kind A · utility

12Cited by
2References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 12, 1986
Grant dateJul 12, 1988
Priority date
Expiry dateAug 12, 2006

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF28F1/325
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A heat exchanger comprising fins and at least one heat transfer tube. An even number, not smaller than four, of louvers are severed and raised in an alternate and staggered manner with respect to a fin base line between the remaining adjacent fin base. Furthermore, the louvers raised on the same side with respect to the fin base line have heights defined by a line slanted at a constant angle in a stepped manner.

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