Patent · US Expired

Hybrid vapor-compression/liquid desiccant air conditioner

US4984434A · kind A · utility

68Cited by
8References
9Claims
0Family size

Inventors

Key dates

Filing dateMay 3, 1990
Grant dateJan 15, 1991
Priority date
Expiry dateMay 3, 2010

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF24F2203/021
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A hybrid air conditioning system which simultaneously dehumidifies and cools air using standard vapor-compression equipment and aqueous solutions of liquid desiccant. By using a circulating liquid desiccant and an adiabatic humidifier, a more efficient refrigerant cycle is utilized. Moreover, conditioned air can be delivered at the same temperature and absolute humidity as conventional vapor-compression systems but without overworking the compressor.

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