A vacuum type solar heat collecting apparatus comprising a transparent, elongated cylindrical glass container sealed at one end and opening at the other end which is reduced in diameter, a cylindrical metal water-reservoir sealed at one end and opening at the other end which is reduced in diameter,
A vacuum type solar heat collecting apparatus comprising a transparent, elongated cylindrical glass container sealed at one end and opening at the other end which is reduced in diameter, a cylindrical metal water-reservoir sealed at one end and opening at the other end which is reduced in diameter, and being coaxially disposed in the glass container through supporters, the outer surface of the water-reservoir being coated with a selective absorption film, a first elongated pipe extending to the vicinity of the sealed end in the water-reservoir through the open ends of the glass container and water-reservoir, a second short pipe extending through the open end of the container for connection to the open end of the reservoir, and a sealing metal fixture which seals the opening part of small diameter of the glass container, wherein space between the glass container and the water-reservoir is kept in vacuum, and water is fed into the water-reservoir through either of the first pipe and second pipe, and is stored to collect heat in the water-reservoir, being taken out as hot water.
대표청구항▼
A vacuum type solar heat collecting apparatus comprising: a transparent long cylindrical glass container, one end of said container is sealed tightly and the other end of said container is open and narrowed into a diameter smaller than the diameter of said container, a cylindrical metal water-reserv
A vacuum type solar heat collecting apparatus comprising: a transparent long cylindrical glass container, one end of said container is sealed tightly and the other end of said container is open and narrowed into a diameter smaller than the diameter of said container, a cylindrical metal water-reservoir, one end of said water-reservoir is sealed tightly and the other end of said water reservoir is open and narrowed into a diameter smaller than the diameter of the water reservoir, said water-reservoir having outer peripheral parts at the opposite ends of said water-reservoir and at an approximate intermediate portion of said water-reservoir with a diameter smaller than the diameter of said water-reservoir, said water-reservoir being disposed in said glass container in a coaxial fashion with said glass container by supporters in said outer peripheral parts with smaller diameter, the outer surface of said water-reservoir being coated with a selective absorption film, said cylindrical metal water-reservoir having an outer diameter, except at said outer peripheral parts at the opposite ends and at said approximate intermediate portion of said cylindrical metal water-reservoir, only slightly less than the inner diameter of said cylindrical glass container, said cylindrical metal water-reservoir occupying not less that 60% of the inner volume of said cylindrical glass container, a first long pipe inserted into said water-reservoir with an end of said first long pipe in the vicinity of the sealed end of said water-reservoir, said first long pipe extending through said open ends of said glass container and said water-reservoir, a second short pipe having a first end connected to the open end of said water-reservoir, said second short pipe extending through the open end of said glass container, and a sealed metal fixture sealing the open end of small diameter of said glass container with said first long pipe and said second short pipe passing through said metal fixture, wherein space between said glass container and water-reservoir is kept in vacuum, and water is fed into said water-reservoir through either of said first pipe and said second pipe, and is stored and collects heat in said water-reservoir, and hot water is removed from said water-reservoir, said water-reservoir comprising a metal cylinder having open ends at the opposite ends of said metal cylinder and having a uniform diameter except for the intermediate portion where at least one of said supporters is attached and where metal caps defined in part said outer peripheral parts and are joined to the opposite ends of said cylinder.
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이 특허에 인용된 특허 (12)
Spencer Donald L. (Iowa City IA), Apparatus and method for collecting solar energy.
Liebard Alain (7 ; rue d\Argenteuil 75001 Paris FRX), Solar water heater for heating and storing water through direct passage and its manufacturing process.
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