PASSIVE, DOUBLE ACTING, VACUUM ACTUATED VENT VALVE

A valve (120) is provided for use on a control moment gyroscope (CMG) (100) having a housing separating an internal environment from an external environment. The valve (120) includes a valve housing (122), a valve element (126), and bellows (128). The valve housing (122) is configured to couple to t...

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Bibliographische Detailangaben
Hauptverfasser:	HANKS, JAMES, T, STEVENS, CARLOS, J, WINKEL, ROBERT, E, GISLER, GARY, L
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACTUATING-FLOATS AIRCRAFT AVIATION BLASTING COCKS COSMONAUTICS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS TAPS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL TRANSPORTING VALVES VEHICLES OR EQUIPMENT THEREFOR WEAPONS
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Beschreibung
Zusammenfassung:	A valve (120) is provided for use on a control moment gyroscope (CMG) (100) having a housing separating an internal environment from an external environment. The valve (120) includes a valve housing (122), a valve element (126), and bellows (128). The valve housing (122) is configured to couple to the CMG housing and includes an inner surface defining a cavity (136), an outer surface, and an opening extending therebetween. The valve element (126) is disposed within the valve housing cavity (136) and is movable between a closed position, in which fluid is prevented from flowing through the valve housing opening, and an open position, in which fluid may flow through the valve housing opening. The bellows (128) is disposed within the valve housing (122) and coupled to the valve element (126) and has an internal chamber (129). The bellows (128) selectively moves the valve element (126) closed and open in response to a differential pressure between the bellows internal chamber (129) and the valve housing cavity (136). Soupape (120) pour actionneur gyroscopique (CMG) (100) à boîtier de séparation environnement interne/externe. La soupape (120) comprend un boîtier (122), un élément de soupape (126), et un soufflet (128). Le boîtier (122) peut être couplé au boîtier du CMG et comprend une surface interne qui définit une cavité (136), une surface externe et une ouverture qui s'étend entre les deux. L'élément de soupape (126) se trouve entre la cavité du boîtier de soupape (136) et est mobile entre une position fermée empêchant le fluide de s'écouler par l'ouverture, et une position ouverte d'écoulement par l'ouverture. Le soufflet (128) se trouve dans le boîtier de soupape (122) et est couplé à l'élément de soupape (126), et enfin il comporte une chambre interne (129). Il (128) déplace sélectivement l'élément de soupape (126) entre les positions fermée et ouverte en réponse à une pression différentielles entre la chambre interne (129) du soufflet et la cavité du boîtier de soupape (136).