DRAIN VALVE, EXTERIOR AIRCRAFT LIGHT UNIT AND POWER SUPPLY BOX

A drain valve (20) for draining liquid from an enclosed space (14) comprises a movable plunger (42), which is movable between a closed position in which the plunger (42) does not allow liquid to flowthrough the drain valve (20), and at least one open position, in which the plunger (42) allows liquid...

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Bibliographische Detailangaben
Hauptverfasser:	RAMESH SRINIVASAMURTHY, ANIL KUMAR JHA, ANDRE HESSLING-VON HEIMENDAHL, SASCHA LUEDER
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACTUATING-FLOATS AIRCRAFT ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSIONTRANSMISSIONS IN AIRCRAFT AVIATION BLASTING COCKS COSMONAUTICS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS EQUIPMENT FOR FITTING IN OR TO AIRCRAFT FLYING SUITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING PARACHUTES PERFORMING OPERATIONS TAPS THERMAL INSULATION IN GENERAL TRANSPORTING VALVES WEAPONS
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Beschreibung
Zusammenfassung:	A drain valve (20) for draining liquid from an enclosed space (14) comprises a movable plunger (42), which is movable between a closed position in which the plunger (42) does not allow liquid to flowthrough the drain valve (20), and at least one open position, in which the plunger (42) allows liquid to flow through the drain valve (20); and an elastic element (40; 54), which is configured to urgethe movable plunger (42) into its closed position. The plunger (42) is provided with at least one duct (44) extending through the plunger (42) and allowing fluid to flow through the drain valve (20)when the plunger (42) is positioned in its closed position, wherein said at least one duct (44) is closed by a semi-permeable medium (48), which is permeable for air and water vapor and impermeable for liquid water. 种用于从封闭空间(14)排放液体的排放阀(20)包括：可移动柱塞(42)，所述可移动柱塞可在关闭位置与至少个打开位置之间移动，在所述关闭位置中，所述柱塞(42)不允许液体流过所述排放阀(20)，并且在所述至少个打开位置中，所述柱塞(42)允许液体流过所述排放阀(20)；以及弹性元件(40；54)，所述弹性元件被配置成推动所述可移动柱塞(42)进入其关闭位置中。所述柱塞(42)设置有至少个管道(44)，所述至少个管道延伸