Patent
Title

Verfahren zur Beheizung von Anzeigeelementen, Verkehrszeichen und -Spiegeln

Other Title
Process for heating display elements, traffic signs and traffic mirrors using geothermal heat
Abstract
The invention refers to a system for the use of geothermal heat for heating display components, in particular traffic signs by means of a heat pump or a heat pipe. The transfer of the heat from the heat pipe to the display element is adjustable. The heating of the display element is to remove frost, ice or dew.
Inventor(s)
Schmidt, H.
Link to Espacenet
Patent Number
1990-4036729
Publication Date
1992
Language
German