| 摘要 |
An improved solar energy collector comprising a heat absorber to take in radiant energy and transfer the radiant energy to a heat transfer fluid carried thereby. A transparent jacket is to receive the heat absorber therein. The jacket will allow the radiant energy to pass therethrough and reach the heat absorber. Components are for hermetically sealing the jacket and to form a chamber about the heat absorber. A facility is for allowing the heat transfer fluid to enter and exit from the heat absorber. A structure is for exhausting air out of the chamber, so as to produce a vacuum between the jacket and the heat absorber and to insulate the heat absorber from an external environment.
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