Patent ID: 6427761
Filing Date: 2002-08-06
Classification: A47J,F25B,Y10S

Abstract:
A trolley comprising a casing including means for defining thermally insulated first and second zones and enclosing plates extending within said zones for supporting foods to be cooled and heated, a first cooling device operatively connected to cool said first zone, a second cooling device operatively connected to cool said second zone, and a heating device operatively connected to heat said second zone, said heating and cooling devices using thermochemical processes and being self-contained on said trolley free of any external power supply, each of said cooling devices respectively comprising a first container for a gas and a second container for a solid reagent able to react with the gas to provide cooling, said first and second containers communicating through a conduit including a valve operable to control gas and reagent contact and cooling, said first container of said first cooling device being disposed in said first zone and said second container of said first cooling device being located remote of said first and second zones, said first container of said second cooling device being located in said second zone, and said second container of said second cooling device being located remote of said first and second zones.