Static structures (e.g. – buildings) – Shaped or strengthened by fluid pressure – Fluid pressure is subatmospheric
Patent
1977-10-21
1981-08-18
Murtagh, John E.
Static structures (e.g., buildings)
Shaped or strengthened by fluid pressure
Fluid pressure is subatmospheric
126439, E04B 1345, F24J 302
Patent
active
042838878
ABSTRACT:
A heliostat enclosure that is particularly well suited for enclosing and protecting a heliostat either flat or parabolic, preferably comprising a light-weight, generally hemispherically shaped, enclosure bubble that is formed of readily assemblable and disassemblable segments, including some transparent segments, and supported by a foundation in the form of a soil filled, plastic ring bag that is mounted in the ground at the heliostat site. The enclosure bubble is inflatable by pressurized air and supportable in operation, such as during windy or inclement weather. A multi-legged, tubular, step frame is mounted within the enclosure bubble and is configured to support the enclosure bubble in nearly fully inflated condition when the bubble is not supported by pressurized air. The frame is electrical conducting and grounded, thereby also serving as a lightning protection means for the heliostat.
In a preferred embodiment, a plurality of interconnected enclosures are formed by a factory-made preshaped continuous plastic cover sheet that facilitates the automatic and continuous installation of a row of enclosures at the site by a machine. In this embodiment, an air lock may be formed at each enclosure at the ends of the row.
REFERENCES:
patent: 2872933 (1959-02-01), Mackey
patent: 3059655 (1962-10-01), Bird
patent: 3206892 (1965-09-01), Telkes
patent: 3241269 (1966-03-01), Reffell
patent: 3769763 (1973-11-01), Kwake
patent: 3810262 (1974-05-01), Strand
patent: 3945156 (1976-03-01), Hamm
patent: 4128204 (1978-12-01), Wade
Popular Science, 1949, pp. 154 & 155.
Principles of Pneumatic Architecture, Roger N. Dent by Halsted Press Div., pp. 108, 109, 37 & 60, published 1972.
Horton Richard H.
Zdeb John J.
General Electric Company
Green, Jr. H. H.
Lampe, Jr. Robert C.
Murtagh John E.
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