Solar collector comprising an evacuated cover
Patent
·
OSTI ID:6453153
A solar collector is disclosed including at least one evacuated transparent cover tube provided with means for supplying hydrogen to and extracting hydrogen from the cover tube.
- Assignee:
- U.S. Philips Corp.
- Patent Number(s):
- US 4142509
- OSTI ID:
- 6453153
- Country of Publication:
- United States
- Language:
- English
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