Patent · US Expired

Chemical heat pump

US5186241A · kind A · utility

2Cited by
4References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 30, 1989
Grant dateFeb 16, 1993
Priority date
Expiry dateOct 30, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/14
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

The regeneration temperature of a chemical heat pump of closed system utilizing reversible reaction between calcium oxide and water is lowered by using an aqueous solution of a salt in an absorber-condensor provided separately from a reactor filled with calcium hydroxide.

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