Patent · US Expired

Heat exchanger

US5803165A · kind A · utility

34Cited by
6References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 17, 1996
Grant dateSep 8, 1998
Priority date
Expiry dateJun 17, 2016

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S165/525
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A heat exchanger, in which a plurality of fins formed on either an internal or an external face of a heat transfer tube, wherein each of the plurality of fins has a first portion including a fin top and a second portion including a fin root, and wherein the first portion has a ridgeline formed in a raised and recessed shape, or in a wave-like or corrugated shape, and the second portion has a substantially straight outline in a fin longitudinal direction in a cross section parallel to either the internal or the external face on which the plurality of fins are formed.

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