Patent · US Expired

Three-phase heat pump

US4873842A · kind A · utility

3Cited by
1References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 28, 1987
Grant dateOct 17, 1989
Priority date
Expiry dateJul 28, 2007

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF25B17/00
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A thermochemical heat pump for the transfer of calories between two calorie sources (1, 4) and (2, 5). The heat pump embodies a monovariant system for which the relationship between the logarithm of the pressure and 1/T is singular and quasi-linear. Application to heating.

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