Patent · US Expired

Air conditioner and heat exchanger therefor

US5647224A · kind A · utility

9Cited by
0References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 29, 1995
Grant dateJul 15, 1997
Priority date
Expiry dateDec 29, 2015

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF25B2500/01
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

An air conditioner is made to follow up a change in load in an efficient manner by utilizing the fact that the components of a three-component mixed medium serving as a substitute for Freon have different boiling points. The mixed medium, which consists of R-32, R-125 and R-134a, is sealed within the circuit of the air conditioner, and a supercooled heat exchanger and liquid-gas tank are interposed between an outdoor heat exchanger and an expansion valve. The liquid-gas tank is connected to an accumulator via a liquid injection valve.

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