Vacuum tube solar collector for utilizing solar heat for heating installations comprises a jacketed tube made from a special coated soda-lime glass with a glass-metal connection made from a metallic element

摘要

Vacuum tube solar collector comprises a jacketed tube (2) made from a special coated soda-lime glass with a glass-metal connection made from a metallic element. The vacuum closure of the tube side facing the glass-metal connection is closed in a vacuum-tight manner and an absorber surface (4) is fixed in the jacketed tube to a heat-removing tube (3) using fixing elements (5).