Self-cooling apparatus thermodynamically enhanced using dry gas

An opening-activated product temperature change container apparatus, comprising:

• a product container having a flexible product container wall for containing a quantity of carbonated product, said carbonated product creating carbonated product pressure within said product container above the atmospheric pressure surrounding said apparatus, and bearing against said product container wall and thereby keeping said product container wall taut and rigid, and having a product container lid for opening said product container to release said carbonated product pressure and said product;
• a dry gas chamber in thermal communication with said product container wall;
• a dry gas contained within said dry gas chamber;
• a thermally reactive structure contained within said dry gas chamber, said thermally reactive structure containing interstitial spaces for receiving and storing said dry gas;
• a vapor passageway in said dry gas chamber covered by a hydrophobic venting membrane permeable to dry gas and impermeable to liquids, for permitting dry gas to exit from said dry gas chamber when said dry gas is at a pressure above atmospheric;
• a humidification liquid chamber structurally connected to said product container;
• a humidification liquid contained within said humidification liquid chamber and under pressure above the atmospheric pressure surrounding said apparatus;
• a resilient sealing member barrier structure between said dry gas chamber and said humidification liquid chamber for controlling fluid communication between said dry gas chamber and said humidification liquid chamber and having a sealing member barrier structure opening, said product container wall pressing against said sealing member barrier structure and thereby closing said sealing member barrier structure opening while said product container wall is kept rigid by said carbonated product pressure;
• such that upon opening said product container lid and thereby releasing said carbonated product pressure, said product container wall loses its taut rigidity and flexes inwardly, permitting said sealing member barrier structure opening to resiliently open and thereby permit said humidification liquid to flow as a result of its pressure through said sealing member barrier structure opening and into said dry gas chamber, to react with said thermally reactive structure and said dry gas, generating a temperature change by the reaction of said humidification liquid with said thermally reactive, structure, and by the humidification of said dry gas further thermodynamically cooling said product, causing said dry gas to absorb heat from and thereby cool said product.

A opening-activated product temperature change container apparatus, comprising:

• an outer can having an annular outer can wall tapering inwardly to an outer can first end with an outer can opening surrounded by an outer can rim, and having an outer can second end with an outer can second end wall, one of said outer can side wall and said outer can second end wall having a tube passing hole;
• a product can for containing a carbonated product, said product can having a product can first end with a product can opening surrounded by a product can rim, a flexible annular product can side wall and a product can second end with a product can second end wall, said product can side wall snugly and sealingly passing through said outer can rim, defining an annular radial space between said product can side wall and said outer can side wall in thermal communication with said product can, said outer can side wall being longer than said product can side wall, and thereby defining a first cylindrical space between said product can second end wall and said outer can second end wall, said first cylindrical space and at least a portion of said annular radial space together defining a dry gas chamber;
• a can lid sealingly fitted to said product can rim;
• a quantity of carbonated product within said product can, said carbonated product creating a carbonated product pressure higher than atmospheric pressure surrounding said apparatus within said product can which bears against and makes taut and rigid said product can side wall and said product can second end wall;
• a thermally reactive structure contained within said dry gas chamber;
• a gas contained within said dry gas chamber for gas;
• a cup-shaped humidification liquid chamber barrier structure having a barrier structure side wall fitted sealingly over and around said outer can side wall adjacent to said outer can second end, and having a barrier structure bottom wall, said barrier structure bottom wall being spaced from said outer can second end wall creating a second cylindrical space defining a humidification liquid chamber;
• an abutment structure, and a resilient tube passing through said tube passing hole and having a tube first end opening into said humidification liquid chamber and a tube second end opening into said dry gas chamber, one of said product can side wall and said product can second end wall pressing against and compressing said resilient tube against said abutment structure and thereby closing said resilient tube while said product can cylindrical wall and said product can second end wall are kept rigid by said carbonated product pressure;
• and
• a quantity of humidification liquid contained within said humidification liquid chamber under pressure above atmospheric pressure surrounding said apparatus;
• such that upon opening said product container lid to release said carbonated product pressure, said at least one of product can side wall and said product can second end wall loses its rigidity, permitting said resilient tube to resiliently laterally expand and flex at least one of said product can side wall and said product can second end wall inwardly and thereby open and permit humidification liquid under pressure to flow into said dry gas chamber and react with said thermally reactive structure and said dry gas, wherein a temperature change is generated by the reaction of humidification liquid with said thermally reactive structure, and additionally by the humidification of said dry gas, drawing heat out of and thereby thermodynamically cooling said product.

An opening-activated product temperature change container apparatus, comprising:

• an outer can;
• a carbonated product can within said outer can forming a sealed chamber between them, said outer can and said product can having a common opening out of said apparatus covered and sealed by a can lid;
• a carbonated product within said carbonated product can;
• and an annular barrier structure comprising a seal dividing said sealed chamber into a dry gas chamber and a humidification liquid chamber;
• said dry gas chamber being in thermal communication with said carbonated product can;
• a thermally reactive structure within said dry gas chamber containing interstitial spaces for receiving and storing dry ingredients including a dry gas;
• said dry gas chamber having a vapor passageway opening through said outer can wall covered by a hydrophobic venting membrane for permitting only gases to exit through said gas release opening from said dry gas chamber;
• a humidification liquid under pressure above atmospheric pressure contained within said humidification liquid chamber;
• said barrier structure further comprising a resilient collapsible tubular member extending into the humidification liquid chamber and into said dry gas chamber to fluidly connect said chambers such that when the product can is pressurized, said resilient collapsible tubular member is compressed to form a fluid seal preventing fluid communication between said humidification liquid chamber and said dry gas chamber;
• and
• such that when said can lid is opened, and releases pressure within said product can, said barrier structure relaxes and opens, thereby opening fluid communication between said dry gas chamber and said humidification liquid chamber, permitting humidification liquid to flow under pressure into the dry gas chamber and react with said thermally reactive structure and said dry gas, wherein a temperature change thermodynamically cooling said carbonated product is generated by the reaction of humidification liquid with said thermally reactive structure, and by the humidification of said dry gas.

A product temperature change container apparatus, comprising:

• an inner container for containing a product;
• a humidification liquid chamber;
• a humidification liquid at a pressure contained within said humidification liquid chamber;
• a dry gas chamber;
• wherein at least one of said humidification liquid chamber and said dry gas chamber is in thermal communication with said inner container;
• and wherein said dry gas chamber comprises a thermally reactive structure having interstitial spaces containing a dry gas at a dry gas pressure;
• said humidification liquid chamber being fluidly separated from said dry gas chamber by a sealing member barrier structure when said sealing member barrier structure is in pressure equilibrium between said dry gas pressure and said humidification liquid pressure;
• and opening said sealing member barrier structure opens fluid communication between said humidification liquid chamber into said dry gas chamber, such that said humidification liquid flows from said humidification liquid chamber into said dry gas chamber and into at least some of said interstitial spaces and said dry gas vacuously absorbs said humidification liquid into said interstitial spaces, thereby intermixing with said thermally reactive structure and vacuously at least partially dissolves said thermally reactive structure, wherein a temperature change of said product within said inner container is generated by vacuously dissolving of said thermally reactive structure and by vacuously absorbing said dry gas as it humidifies, causing further thermodynamic cooling.

A product temperature change container apparatus, comprising:

• an inner container for containing a product;
• a humidification liquid chamber;
• a humidification liquid at a pressure contained within said humidification liquid chamber;
• a dry gas chamber;
• wherein at least one of said humidification liquid chamber and said dry gas chamber is in thermal communication with said inner container;
• and wherein said dry gas chamber comprises a thermally reactive structure having interstitial spaces containing a dry gas at a dry gas pressure;
• said humidification liquid chamber being fluidly separated from said dry gas chamber by a sealing member barrier structure when said sealing member barrier structure is in pressure equilibrium between said dry gas pressure and said humidification liquid pressure and said barrier structure is opened when said humidification liquid pressure is greater than said dry gas pressure, and wherein opening said sealing member barrier structure opens fluid communication between said humidification liquid chamber into said dry gas chamber, such that said humidification liquid flows from said humidification liquid chamber into said dry gas chamber and into at least some of said interstitial spaces and said dry gas vacuously absorbs said humidification liquid into said interstitial spaces, thereby intermixing with said thermally reactive structure and vacuously at least partially dissolves said thermally reactive structure, wherein a temperature change of said product within said inner container is generated by vacuously dissolving of said thermally reactive structure and by vacuously absorbing said dry gas as it humidifies, causing further thermodynamic cooling.