Solar heat collector tube
US11009264B2 · kind B2 · utility
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5Claims
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Key dates
| Filing date | Nov 18, 2016 |
| Grant date | May 18, 2021 |
| Priority date | — |
| Expiry date | May 27, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/44
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A solar heat collector tube in which at least an infrared reflective layer, a sunlight-heat conversion layer and an anti-reflection layer are provided on the outer surface of a tube, through the interior of which a heat medium can flow, wherein the infrared reflective layer in the solar heat collector tube has a multilayer structure in which an Ag layer, having dispersed therein at least one metal selected from the group consisting of Mo, W, Ta, Nb and Al, is sandwiched between two metal protective layers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.