Patent · US Expired

Heat exchanger

US7182127B2 · kind B2 · utility

5Cited by
6References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 12, 2004
Grant dateFeb 27, 2007
Priority date
Expiry dateApr 9, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S165/504
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A heat exchanger includes a plurality of tubes through which refrigerants flow, the tubes being spaced apart from each other, and a plurality of fins spaced apart from each other at a predetermined distance. Each of the fins has fin collars through which the tubes are perpendicularly inserted, seat portions concentrically formed around outer circumferences of the fin collars and provided with laterally-opened front and rear portions, more than two peak portions, and more than two valley portions, the peak and valley portions being alternately disposed to provide airflow variation.

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