Acoustics – Sound-modifying means – Muffler – fluid conducting type
Patent
1988-12-13
1991-01-29
Fuller, B. R.
Acoustics
Sound-modifying means
Muffler, fluid conducting type
181218, 181220, 181221, B64E 126
Patent
active
049879707
ABSTRACT:
The invention provides a device for collecting the exhaust gas jet of an aircraft reactor with orientable propulsion nozzle or with a gas jet orientable with respect to the longitudinal axis of said reactor, during ground testing of the latter, as well as a testing installation for aircraft reactors equipped with said device. The device comprises an external cylindrical jacket bell-mouthed at its end intended to be situated opposite the tested reactor and a cylindrical internal jacket, concentric to said external jacket and intended for straightening out the exhaust gas jet when this latter or the propulsion nozzle of the tested reactor has a slant with respect to the axis of said reactor.
REFERENCES:
patent: 3011584 (1961-12-01), Lemmerman et al.
patent: 3120877 (1964-02-01), Morris et al.
patent: 3185252 (1965-05-01), Lemmerman
patent: 3289943 (1966-12-01), Thomas et al.
patent: 3378204 (1968-04-01), Chase et al.
patent: 3715009 (1973-02-01), Smith et al.
patent: 4168763 (1979-09-01), White et al.
Fuller B. R.
Societe Anonyme dite: S. A. Andre Boet
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