Acoustics – Sound-modifying means – Muffler – fluid conducting type
Patent
1997-11-03
2000-01-25
Dang, Khanh
Acoustics
Sound-modifying means
Muffler, fluid conducting type
181210, B64F 126
Patent
active
060168889
ABSTRACT:
Enchancements to the side walls of a ground runup (jet aircraft engine testing) facility, the enhancements comprising horizontal vents in the side walls, rolled or semicylindrical tops of the side walls and sloped front ends to the side walls, the combination of the enhancements providing stable air flow to engines even in unstable air conditions.
REFERENCES:
patent: 2726830 (1955-12-01), Brown et al.
patent: 2826382 (1958-03-01), Hayden
patent: 3630313 (1971-12-01), Smith
patent: 4958700 (1990-09-01), Schafhaupt
Burns, Esq. William W.
Dang Khanh
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