A sealing system (38) for use in an aircraft facility to be sealed from the environment comprises a closing element (40) which can be connected to a housing (42) of the aircraft facility in order to seal an opening (44) formed in the housing (42) of the aircraft facility. Furthermore, the sealing sy
A sealing system (38) for use in an aircraft facility to be sealed from the environment comprises a closing element (40) which can be connected to a housing (42) of the aircraft facility in order to seal an opening (44) formed in the housing (42) of the aircraft facility. Furthermore, the sealing system (38) comprises a receiving device (46), and a sealing element (48) received in the receiving device (46). A transfer device (54) is adapted to transfer the sealing element (48) between an inactive state, in which the sealing element (48) is shaped and/or positioned such that it cannot be brought into sealing contact with a sealing surface (64), and an active state, in which the sealing element (48) is shaped and/or positioned such that it can be brought into sealing contact with the sealing surface (64).
대표청구항▼
1. Air-through cooling system for use in an aircraft galley which comprises: an aircraft cooling system comprising a cooling air outlet that provides cooling air from the aircraft cooling system, a trolley with a housing, in which a connecting opening is formed, wherein the connecting opening is dir
1. Air-through cooling system for use in an aircraft galley which comprises: an aircraft cooling system comprising a cooling air outlet that provides cooling air from the aircraft cooling system, a trolley with a housing, in which a connecting opening is formed, wherein the connecting opening is directly connectable to the cooling air outlet and serves to supply cooling air into the interior of the trolley or to discharge exhaust air from the interior of the trolley, and wherein the connecting opening defines a sealing surface; anda sealing system including: a closing element which is releasably connectable to the connecting opening of the trolley in order to seal the connecting opening formed in the housing of the trolley from the environment and which has a fluid passage opening connected in a fluid conveying manner to the cooling air outlet of the aircraft cooling system,a receiving device comprising a groove in the closing element of the aircraft cooling system, the groove extending around the closing element,a sealing element received in the receiving device of the aircraft cooling system, anda transfer device which is adapted to transfer the sealing element of the aircraft cooling system between an inactive state, in which the sealing element is configured such that the sealing element cannot be brought into sealing contact with the sealing surface of the connecting opening of the trolley facing the receiving device, and an active state, in which the sealing element is configured such that the sealing element can be brought into sealing contact with the sealing surface of the connecting opening of the trolley facing the receiving device;wherein the air-through cooling system is characterized in that the transfer device is coupled to a locking mechanism in such a manner that the transfer device transfers the sealing element automatically from the inactive state into the active state when the locking mechanism is in a locked position, in which the locking mechanism latches the closing element, when connected to the housing, in the housing, and that the transfer device transfers the sealing element automatically from the active state into the inactive state when the locking mechanism is in an open position, in which the locking mechanism unlatches the closing element when connected to the housing, from the housing. 2. Air-through cooling system according to claim 1, characterised in that the sealing element comprises a fluid inlet and a fluid chamber which is connected to the fluid inlet and into which a fluid is supplyable when the sealing element is transferred from its inactive state into its active state. 3. Air-through cooling system according to claim 2, characterised in that the transfer device comprises a conveying device which is adapted to supply fluid into the fluid chamber of the sealing element or discharge fluid from the fluid chamber of the sealing element when the sealing element is transferred between the inactive state and the active state. 4. Air-through cooling system according to claim 3, characterised in that the conveying device comprises a pump, a valve, a fluid reservoir and/or a spring element, the spring element being connectable in particular to the fluid reservoir in order to apply a spring force to the fluid reservoir and thereby supply fluid from the fluid reservoir into the fluid chamber of the sealing element. 5. Air-through cooling system according to claim 1, characterised in that the transfer device comprises a positioning device which is movable relative to the receiving device and which is adapted to position the sealing element in different positions in the receiving device when the sealing element is transferred between the inactive state and the active state. 6. Air-through cooling system according to claim 5, characterised in that the positioning device comprises a bearing element for supporting the sealing element, which is displaceable relative to the receiving device in the direction of the sealing surface for transferring the sealing element from the inactive state into the active state and which is displaceable relative to the receiving device in the direction facing away from the sealing surface for transferring the sealing element from the active state into the inactive state. 7. Air-through cooling system according to claim 1, characterized by an operating indicator which is adapted to indicate the operating state of the sealing system to a user. 8. Air-through cooling system according to claim 7, characterised in that the operating indicator comprises: at least one pressure sensor for sensing the pressure in a fluid chamber of the sealing element and/or in a fluid reservoir of a conveying device, and a pressure indicator accessible to a user, and/orat least one position sensor for sensing the position of the sealing element and/or a bearing element of the positioning device, and a position indicator accessible to a user, and/ora viewing window which affords a user visual contact with the sealing element, the fluid reservoir of the conveying device and/or the bearing element of the positioning device for the purpose of checking the operating state of the sealing element, the fluid reservoir of the conveying device and/or the bearing element of the positioning device. 9. Aircraft facility having: an air-through cooling system according to claim 1, which seals the housing of the trolley from the environment. 10. The air-through cooling system of claim 1, wherein the closing element is in the form of a hollow-cylindrical connecting element carried by the cooling air outlet.
Ooka Kazuo (Morton Grove IL) Klein Manfred P. (Highland Park IL) Sivanesan Vijay (Downers Grove IL) Brown Jeff S. (Palatine IL), Seal assembly for fluid pumps and method for detecting leaks in fluid pumps or fluid containment devices.
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