Patent · US Active

Liquid ammonia, sodium nitrate and lithium bromide absorption refrigeration system

US11609028B2 · kind B2 · utility

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10Claims
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Assignee

Inventor

Key dates

Filing dateMay 14, 2021
Grant dateMar 21, 2023
Priority date
Expiry dateNov 30, 2041

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/10
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

Disclosed is a refrigeration system, including: a generator having a liquid storage cavity for containing a liquid ammonia and sodium nitrate solution, a heat source being connected to the generator and an exhaust pipe being arranged at the upper end of the generator; a condenser having a condensation cavity, an inlet of the condensation cavity being communicated with the exhaust pipe; an evaporator having an evaporation cavity for containing hydrogen, an inlet of the evaporation cavity being communicated with an outlet of the condensation cavity through a liquid inlet pipe; an absorber located below the evaporation and having an absorption cavity for containing a sodium nitrate solution, an upper part of the absorption cavity being communicated with an outlet of the evaporation cavity through a mixed gas pipe, and the absorber being provided with a reflux pipeline which communicates the absorption cavity and the liquid storage cavity.

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