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Verfahren zur Beheizung von Anzeigeelementen, Verkehrszeichen und -Spiegeln

Process for heating display elements, traffic signs and traffic mirrors using geothermal heat
 
: Schmidt, H.

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Frontpage ()

DE 1990-4036729 A: 19901117
DE 1990-4036729 A: 19901117
EP 1991-118998 A: 19911107
DE 4036729 A1: 19920521
EP 487953 A: 19920603
E01F0009
F24J0003
German
Patent, Electronic Publication
Fraunhofer ISE ()

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.

: http://publica.fraunhofer.de/documents/PX-11290.html