Patent · US Expired

Triple-point heat pump

US4003213A · kind A · utility

32Cited by
6References
13Claims
0Family size

Inventor

Key dates

Filing dateNov 28, 1975
Grant dateJan 18, 1977
Priority date
Expiry dateNov 28, 1995

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P60/85
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

This invention relates to heat pump systems variously useful for heating and cooling as well as for the production of potable water and in which the thermal energy employed is derived from heat liberated by the freezing of water under vacuum at the triple point.

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