Portable cooler
US5186020A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 19, 1991 |
| Grant date | Feb 16, 1993 |
| Priority date | — |
| Expiry date | Jul 19, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/10
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A portable cooling apparatus comprising a thermally insulated container having a cooling chamber therein, a lid providing access to the chamber, an evaporator including a heat exchange surface exposed in the cooling chamber, a reactor assembly secured adjacent the container comprising one or more reactors containing an ammoniated complex compound or coordinative complex compound of other suitable polar refrigerant, heating means for heating the complex compound, and a valved conduit for directing refrigerant between the reactor and the evaporator assembly. In another embodiment, the cooling apparatus comprises an inside reactor assembly, replacing the evaporator, and an outside reactor assembly each assembly containing a different complex compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.