THERMAL RECEPTACLE WITH PHASE CHANGE MATERIAL
First Claim
1. A liquid receptacle for rapidly lowering the temperature of a liquid contained therein to a warm range suitable for human contact and maintaining the liquid in the warm range for an extended period of time, the receptacle having a drinking lip at the uppermost end, the receptacle comprising:
- an inner vessel having an open upper end and closed lower end and a wall connecting the upper end and the lower end;
the inner vessel having an inner surface with plurality of indentations or protrusions defined thereon and an outer surface with a plurality of corresponding protrusions or indentations defined thereon such that the effective surface area of the inner and outer surfaces is increased and heat transfer through the wall of the inner vessel is increased;
an insulated outer shell spaced from the inner vessel defining an interstitial chamber therebetween, the insulated outer shell having an open upper end and a closed lower end; and
a phase change material disposed within said chamber for regeneratively absorbing thermal energy from the liquid and then releasing the thermal energy to the liquid to maintain the temperature of the liquid.
0 Assignments
0 Petitions
Accused Products
Abstract
A liquid receptacle for rapidly lowering the temperature of a liquid contained therein to a warm range suitable for human contact and maintaining the liquid in the warm range for an extended period of time includes an inner vessel with an open upper end and a closed lower end and a wall connecting the upper and lower end. An insulated outer shell is spaced from the inner vessel to define an interstitial chamber between the inner vessel and the outer shell. A phase change material occupies the chamber and regeneratively absorbs thermal energy from the liquid to cool the liquid and then releases the thermal energy back to the liquid to maintain the temperature of the liquid.
82 Citations
17 Claims
-
1. A liquid receptacle for rapidly lowering the temperature of a liquid contained therein to a warm range suitable for human contact and maintaining the liquid in the warm range for an extended period of time, the receptacle having a drinking lip at the uppermost end, the receptacle comprising:
-
an inner vessel having an open upper end and closed lower end and a wall connecting the upper end and the lower end; the inner vessel having an inner surface with plurality of indentations or protrusions defined thereon and an outer surface with a plurality of corresponding protrusions or indentations defined thereon such that the effective surface area of the inner and outer surfaces is increased and heat transfer through the wall of the inner vessel is increased; an insulated outer shell spaced from the inner vessel defining an interstitial chamber therebetween, the insulated outer shell having an open upper end and a closed lower end; and a phase change material disposed within said chamber for regeneratively absorbing thermal energy from the liquid and then releasing the thermal energy to the liquid to maintain the temperature of the liquid. - View Dependent Claims (2, 3, 4)
-
-
5. A liquid receptacle for rapidly lowering the temperature of a liquid contained therein to a warm range suitable for human contact and maintaining the liquid in the warm range for an extended period of time, the receptacle having a drinking lip at the uppermost end and a base at the lowermost end, the receptacle comprising:
-
an inner vessel for holding a liquid, the inner vessel having an open upper end and a closed lower end with a side wall extending therebetween; a first intermediate wall having an upper end and a lower end, the first intermediate wall surrounding the inner vessel and at least partially spaced therefrom so as to define a first chamber therebetween; an insulated outer shell having an upper end and a lower end, the insulated outer shell surrounding the first intermediate wall and at least partially spaced therefrom so as to define a second chamber therebetween; and a first phase change material disposed within the first chamber for regeneratively absorbing thermal energy from the liquid and then releasing the thermal energy to the liquid to maintain the temperature of the liquid. - View Dependent Claims (6, 7, 8, 9, 10, 11)
-
-
12. A liquid receptacle for rapidly lowering the temperature of a liquid contained therein to a warm range suitable for human contact and maintaining the liquid in the warm range for an extended period of time, the receptacle having a drinking lip at the uppermost end and a base at the lowermost end, the receptacle comprising:
-
an inner vessel for holding a liquid, the inner vessel having an open upper end and a closed lower end with a side wall extending therebetween, the inner vessel having an inner surface and an outer surface, the inner vessel being formed of metal; an insulated outer shell having an open upper end and a closed lower end, the outer shell having an inner surface; the open upper ends of the inner vessel and the outer shell being interconnected by double seaming the upper end of the inner vessel with the upper end of the outer shell and crimping the double rolled upper ends to form a joined upper end; a chamber defined between the inner surface of the outer shell and the outer surface of the inner vessel; and a phase change material disposed within the chamber for regeneratively absorbing thermal energy from the liquid and then releasing the thermal energy to the liquid to maintain the temperature of the liquid. - View Dependent Claims (13, 14, 15, 16, 17)
-
Specification