Abstract: The invention concerns a heat accumulator consisting of a vessel having a wall which is at least partially heat conducting, the vessel contains a material which exothermally absorbs and endothermally desorbs a heat transporting substance, the absorbing and desorbing material in particular being sodium sulphide and being adhered to the wall of the vessel by means of a fibrous material such as cellulose. Also provided is a process for the production of such a heat accumulator comprising, applying a fibrous material to the inner wall of a closeable vessel, preferably via conducting protrusions, and subsequently contacting the absorbing and desorbing material being in a molten and/or hydrated state with the fibrous material.
Type:
Grant
Filed:
June 13, 1994
Date of Patent:
August 15, 1995
Assignee:
De Beijer Raadgevend Technisch Bureau B.V.
Inventors:
Hendrikus A. De Beijer, Jan W. Klein Horsman