Ventilation – Having inlet airway
Patent
1991-03-28
1993-03-30
Joyce, Harold
Ventilation
Having inlet airway
52 18, 181211, 454250, 454906, F24F 702
Patent
active
051979217
ABSTRACT:
A construction element for a noise-suppression shed of the type used for ground-testing jet engine aircraft. These sheds usually have transversely extending continuous apertures for the admission of fresh air, the inner face of the shed's roof being provided with spaced liners of a sound-absorbing material defining flowpaths for fresh air entering the interior of the shed. The element comprises a cover panel element carried by a mounting structure and having a stepped profile configuration in the longitudinal direction of the shed, and mutually spaced first and second elements of a sound-absorbing material. The arrangement of a plurality of construction elements in rows extending in the longitudinal and transverse directions and interconnection of the respective mounting structures results in the formation of continuous air inlet gaps extending over the full width of the roof and passing between the sound-absorbing liners.
REFERENCES:
patent: 856117 (1907-06-01), Waldimire
patent: 1347669 (1920-07-01), Ballinger et al.
patent: 2308766 (1943-01-01), Martinus
patent: 2704504 (1955-03-01), Wilkening
patent: 3875901 (1975-04-01), Erickson et al.
patent: 3978635 (1976-09-01), Theault
De Lank Gerd
Lubien etzki Klaus-Peter
Joyce Harold
Werner Genest und Partner Ingenieurgesellschaft mbH
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