The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 08, 2001
Filed:
Jun. 20, 1997
Applicant:
Inventors:
Günter Hildebrand, Rehmsdorf, DE;
Michael Matthäi, Henstedt-Ulzburg, DE;
Norbert Matzat, Hamburg, DE;
Rolf Laudi, Bergteheide, DE;
Klaus Fieback, Berlin, DE;
Wolfgang Ahrens, Berlin, DE;
Thomas Krämer, Adelsheim, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28D 1/700 ;
U.S. Cl.
CPC ...
F28D 1/700 ;
Abstract
A heat storage medium such as paraffin for a latent heat accumulator (cold accumulator), which solidifies while forming crystal structures. In order to achieve improved responsiveness on heat input, the crystal structures are modified by a structure additive preferably in terms of hollow structures, such as e.g. hollow cones.