F - Mech Eng,Light,Heat,Weapons – 24 – F
Patent
F - Mech Eng,Light,Heat,Weapons
24
F
F24F 13/14 (2006.01) B64D 13/04 (2006.01) F16K 1/22 (2006.01) F16K 39/02 (2006.01)
Patent
CA 2284819
The invention relates to a differential valve, specially a cabin air discharge valve in the cabin pressure regulation system of an aircraft, particularly an airplane. The differential valve has a smaller first step (20) and a larger second step (30) in addition to a drive gear mechanism (40). The first valve step (20) and the second valve step (20) are connected to the drive gear mechanism (40) in such a way that the first valve step (20) is actuated separately from the second valve step (30). The invention also relates to a method for regulating cabin pressure by means of said differential valve.
L'invention concerne un clapet à gradins, notamment un clapet d'air d'évacuation de cabine dans un système de régulation de la pression régnant dans la cabine d'un appareil volant, notamment d'un avion. Ce clapet à gradins présente un premier gradin (20) plus petit et un second gradin (30) plus grand, ainsi qu'un mécanisme d'entraînement (40). Le premier gradin (20) et le second gradin (30) sont reliés au mécanisme d'entraînement (40) de manière que le premier gradin (20) soit actionné séparément du second gradin (30). L'invention concerne en outre un procédé de régulation de la pression régnant dans la cabine à l'aide d'un clapet à gradins de ce type.
Rumplik Daniel
Steinert Martin
Fetherstonhaugh & Co.
Nord-Micro Ag & Co. Ohg
Nord-Micro Elektronik Feinmechanik Ag
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