The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 19, 2000
Filed:
Oct. 27, 1998
Shunsaku Nakauchi, Mitaka, JP;
Kokusai Gijutsu Kaihatsu Kabushiki Kaisha, Tokyo, JP;
Abstract
A solar heat collecting apparatus wherein a heat-absorbing plate for absorbing the solar radiation is installed in a vacuum vessel, the solar heat accumulated in the heat-absorbing plate is transmitted to a working medium in a pipe connected to the heat-absorbing plate, an upper surface layer for passing the solar radiation irradiated on the heat-absorbing plate therethrough and reflecting the infrared radiation emerging from the heat-absorbing plate is formed on the upper surface of the heat-absorbing plate, a lower surface layer for reflecting the infrared radiation emerging from the heat-absorbing plate is formed on the lower surface of the heat-absorbing plate, a space-diving film is formed between the lower surface of the heat-absorbing plate and the bottom surface of the vacuum vessel, a reflection layer is formed on the bottom surface of the vacuum vessel, a film for passing the solar radiation and reflecting the infrared radiation is provided between the upper surface of the heat-absorbing plate and the upper wall of the vacuum vessel, and the upper wall of the vacuum vessel is formed of a plurality of transparent curved segments.