Aeronautics and astronautics – Aircraft structure – Passenger or cargo loading or discharging
Patent
1980-03-28
1982-08-10
Blix, Trygve M.
Aeronautics and astronautics
Aircraft structure
Passenger or cargo loading or discharging
2441181, 89 15G, B64D 100, B64D 900
Patent
active
043434479
ABSTRACT:
This is a device for suspending a store 15 from a support such as an aircraft wing 10, and more specifically for increasing the flutter speed of an aircraft flying with attached store and reducing the sensitivity of flutter to changes in the pitch inertia and center of gravity location of the store. It comprises soft-spring whereby the store pitch mode is decoupled from support modes and a low frequency active control mechanism which maintains store alignment. In the described embodiment, a pneumatic suspension system 30 both isolates the store 15 in pitch and, under conditions of changing mean load, aligns the store 15 with the wing 10 to which it is attached.
REFERENCES:
patent: 1207492 (1916-12-01), Buck
patent: 2974675 (1961-03-01), Cislo
patent: 3170371 (1965-02-01), Zimmer et al.
patent: 3176939 (1965-04-01), Mard et al.
patent: 3268188 (1966-08-01), La Roe et al.
patent: 3904156 (1975-09-01), Smith
patent: 4168046 (1979-09-01), Hasquenoph et al.
patent: 4246472 (1981-01-01), Sun et al.
Bartz C. T.
Blix Trygve M.
Manning John R.
Nelson Wallace J.
Osborn Howard J.
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