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| Grill |
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Interiorly tensioned solar reflector
| Details |
Inventors: Bronstein, Allen I.;
Assignee: Sunsteam Ltd. (Palo Alto, CA)
Primary Examiner:
Assistant Examiner:
Attorney, Agent or Firm:
An improvement is disclosed in a solar reflector having a first form member, a second form member, the first and second form members having peripheries having identical form surfaces along portions thereof, a generally rectangular flexible sheet having a reflective surface, opposite edges and lateral edges, a structure which secures the opposite edges to the identical form surfaces with the reflective surface being infacing, the reflective surface having a shape defined by the identical form surfaces, the shape being such that light striking the reflective surface is redirected generally onto an axis extending generally parallel to the sheet from the first form member to the second form member, an energy absorbing target extending along the axis, and a tensioning structure for tensioning the sheet between the first and second form members. The improvement comprises having the tensioning structure act between the first and second form members. A relatively light weight structure is provided which can be constructed very close to the ground to avoid wind loads. Use of flexible plumbing can be avoided. Construction is relatively quick and inexpensive. |
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DETAILED DESCRIPTION I claim: 1.
In a solar reflector having a first form member, a second form member, said first and second form members having peripheries having identical form surfaces along portions thereof, a generally rectangular flexible sheet having a reflective surface, opposite edges and lateral edges, securing means for securing the opposite edges to the identical form surfaces with the reflective surface being infacing, the reflective surface having a shape defined by the identical form surfaces, the shape being such that light striking the reflective surface is redirected generally on to an axis extending generally parallel to the sheet from the first form member to the second form member, an energy absorbing target extending along said axis, means for supporting said first form member, means for supporting said second form member, and tensioning means for tensioning said sheet between said first and second form members, an improvement comprising: wherein said tensioning means acts between said first and second form members, said first form member has a first opening therethrough, said second form member has a second opening therethrough, said energy absorbing target has a first end extending through said first opening and a second end extending through said second opening, said first form member supporting means includes first support means for supporting said first end of said energy absorbing target, said second form member supporting means includes second support means for supporting said second end of said energy absorbing target, and said energy absorbing target supports said first and second form members at said first and second openings; wherein said tensioning means includes a beam having a first end portion thereof attached to a first area of said first form member and a second end portion thereof extending to adjacent a second area of said second form member and wherein said tensioning means acts between said beam and said second area of said second form member; and further including: rotational mounting means for mounting said solar reflector for rotation about said axis; and a support having a first portion and a second portion having a hole therethrough, said first portion being attached to said beam and said hole surrounding said target, said support being positioned intermediate said end portions of said beam and intermediate said ends of said target, said target being rotatable within said hole
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