Solar heat collector tube
US11231208B2 · kind B2 · utility
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5Claims
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Key dates
| Filing date | Nov 18, 2016 |
| Grant date | Jan 25, 2022 |
| Priority date | — |
| Expiry date | Jun 29, 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 is an Ag layer having Nb dispersed therein, the content of Nb being 0.1 at % to 31.8 at %.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.