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US 3,937,209 AGranted
Heat storage device
AssigneeBell Telephone Laboratories, Incorporated
InventorJames Alden Van Vechten
Life of this patent
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Abstract
A heat storage device of simple design and compact dimensions is disclosed. The device uses a heat storage medium which contracts upon melting and which has a melting point high enough to be of use in connection with conventional, nuclear, and solar power plants.
Claims10
Heat storage device comprising a reservoir containing a heat storage medium, means for inserting and extracting heat from said medium, characterized in that
- 1. said medium is a material whose density in its liquid phase exceeds that in its solid phase,
- 2. said material has a range of melting temperatures above 100.degree. C and
- 3. said means for inserting and extracting heat are placed in proximity of the lower end of said reservoir.
Dependencies are inferred from the claim text.