Aeronautics and astronautics – Aircraft structure – Passenger or cargo loading or discharging
Patent
1977-02-04
1978-05-09
Kelmachter, Barry L.
Aeronautics and astronautics
Aircraft structure
Passenger or cargo loading or discharging
89 15C, 89 15F, B64D 102
Patent
active
040882870
ABSTRACT:
In a telescopic retractable ejector, the driving gas is allowed to flow freely with the maximum efficiency by compensating the pressure drop resulting from the gas expansion during the piston extension with a concomitant and automatic increment in the surface area of the pistons which is exposed to the gas pressure.
REFERENCES:
patent: 2931341 (1960-04-01), Meadows et al.
patent: 3557550 (1971-01-01), LeGarra
patent: 3756545 (1973-09-01), Coutin
Coutin Pierre F.
Hasquenoph Jean H.
Drucker William Anthony
Kelmachter Barry L.
R. Alkan & Cie.
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