US4138990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fibrous wall material for cell structures of solar energy collectors
Assignee: Schott AG
•
Filing: 1977-03-18
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Granted: 1979-02-13
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Expires: 1997-03-18
Abstract
Abstract Fibrous wall materials that are substantially transparent to solar radiation and substantially impervious to long-wave radiation wherein the fibers are arranged in a parallel relationship are disclosed as being useful to form cell structures, in the form of a honeycomb. Heat losses from such solar energy collectors are substantially minimized.
Inventors
- 👤 Eckart Hussmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:57
CPC Classifications
F; F24; F24S; F24S80/00; F24S80/50; F24S80/56; F24S80/58; Y; Y02; Y02E; Y02E10/00; Y02E10/40
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
75 words
A fibrous wall material useful in a cell structure of a solar energy collector, said fibrous wall material comprising a supporting frame and an arrangement of fibers wherein said fibers are parallel to each other and substantially transparent to solar radiation and substantially impervious to long-wave infrared radiation, said fibers being arranged in layers in a parallel relationship, said fibers being wound or coiled over said supporting frame thereby providing a closed covering filler wall.
Claim 2
Dependent Claim
75 words
A fibrous wall material useful in a cell structure of a solar energy collector, said fibrous wall material comprising a supporting frame and an arrangement of fibers wherein said fibers are parallel to each other and substantially transparent to solar radiation and substantially impervious to long-wave infrared radiation, said fibers being arranged in layers in a parallel relationship, said fibers being wound or coiled over said supporting frame thereby providing a closed covering filler wall.
Claim 3
Dependent Claim
12 words
The fibrous wall material of claim 1 wherein said fibers comprise glass.
Claim 4
Dependent Claim
13 words
The fibrous wall material of claim 2, wherein said fibers comprise quartz glass.
Claim 5
Dependent Claim
16 words
The fibrous wall material of claim 1, wherein said supporting frame is transparent to solar radiation.
Claim 6
Dependent Claim
34 words
The fibrous wall material of claim 4 wherein at least one layer of said fibers arranged in parallel relationship has its fibers bound to one another by a plastic material transparent to solar radiation.
Claim 7
Dependent Claim
13 words
The fibrous wall material of claim 1, wherein said fibers comprise mineral fibers.
Claim 8
Dependent Claim
16 words
The fibrous wall material of claim 6 wherein said supporting frame is transparent to solar radiation.
Claim 9
Dependent Claim
34 words
The fibrous wall material of claim 7 wherein at least one layer of said fibers arranged in parallel relationship has its fibers bound to one another by a plastic material transparent to solar radiation.
Claim 10
Dependent Claim
22 words
A cell structure useful in a solar energy collector comprising a plurality of fibrous wall materials as set forth in claim 1.
Claim 11
Dependent Claim
17 words
The cell structure of claim 9 wherein said wall materials are in the form of a honeycomb.
Claim 12
Dependent Claim
13 words
The cell structure of claim 10 wherein said honeycomb has a hexagonal cross-section.
Claim 13
Dependent Claim
13 words
The cell structure of claim 10 wherein said honeycomb has a rectangular cross-section.
Claim 14
Dependent Claim
21 words
In a solar energy collecting unit comprising a solar radiation absorber and at least one cell structure according to claim 9.
Claim 15
Dependent Claim
19 words
The solar energy collecting unit of claim 13, wherein said cell structure is in the form of a honeycomb.
Claim 16
Dependent Claim
15 words
The solar energy collecting unit of claim 14 wherein said honeycomb has a rectangular cross-section.
Claim 17
Dependent Claim
28 words
The solar energy collecting unit of claim 15 wherein the axes of fibers are perpendicular to a section line between the fiber wall plane and the absorber plane.
Claim 18
Dependent Claim
20 words
The solar energy collecting unit of claim 16 wherein said fibers are E-glass and have a thickness of 10 μm.
References Cited (Backward Citations)
US2998005A
Cited
US4018211A
Cited
US4015582A
Cited
US4030477A
Cited
US4019496A
Cited
US4054124A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-02-12 | 1982-08-14 | 1983-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-02-12 | 1986-08-14 | 1987-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-02-12 | 1990-08-14 | 1991-02-13 | $7700.00 | Window Closed / Lapsed |