Patent NL7709979A successfully refreshed from Google Patents.
NL7709979A
Expired / Lapsed
NL
⏱️ 0.0 years remaining
Solar energy collector - has hollow body filled with compound or mixture of low melting point
Assignee: Frederik Herman Theyse
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Filing: 1977-09-12
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Granted: —
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Expires: 1997-09-12
Abstract
Abstract The energy collector has one or more sides permeable to rays of diffuse solar energy. It comprises a hollow body admitting the energy through one or more sides, and filled with a compound, alloy or mixture of low melting point, its phase change temperature being between 20 and 65 deg.C. The body can be of glass, a combination of glass and metal, or earthenware. The filling can be organic or inorganic acid, beeswax, a hydrocarbon material, or a mixture of them. The side of the body opposite to that struck by the rays can be blackened.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
NL
Data Source
google_patents
Last Synchronized
2026-11-09 08:06
CPC Classifications
F; F24; F24S; F24S20/00; F24S20/60; F24S20/66; F24S60/00; F24S60/10; Y; Y02; Y02B; Y02B10/00; Y02B10/20; Y02E; Y02E10/00; Y02E10/40
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