초록 ▼

An arrangement for adapting the transportation behavior of material to be conveyed includes a first container, which is coupleable to a first pressure level; a second container, which is coupleable to a second pressure level; a connecting line for transporting material to be conveyed from the first

An arrangement for adapting the transportation behavior of material to be conveyed includes a first container, which is coupleable to a first pressure level; a second container, which is coupleable to a second pressure level; a connecting line for transporting material to be conveyed from the first container to the second container; and a pressure reduction device by which a pressure difference between the first container and the second container is controllably variable.

대표청구항 ▼

1. An arrangement for an aircraft for adapting the transportation behavior of material to be conveyed, wherein the arrangement comprises: a first container and a second container coupleable to a first pressure level;at least one third container coupleable to a second pressure level;a connecting line

1. An arrangement for an aircraft for adapting the transportation behavior of material to be conveyed, wherein the arrangement comprises: a first container and a second container coupleable to a first pressure level;at least one third container coupleable to a second pressure level;a connecting line for transporting material to be conveyed from the first and second containers to the at least one third container, wherein the connecting line connects both the first and second containers to the third container;a first actuating valve and a second actuating valve for connecting the first and second containers to the connecting line, respectively; anda pressure difference reduction device for noise reduction arranged at the connecting line and comprises at least one controllably variable ventilation unit, the pressure difference reduction device being between both the first and second containers and the at least one third container,wherein the at least one ventilation unit is configured to control the pressure difference between the first pressure level and the at least one third container;wherein the pressure in the at least one third container is configured to be increased before changing at least one of the first and second actuating valves from a closed state to an open state, which open state is adapted to start the transportation process such that the pressure difference between the first pressure level and the at least one third container is kept constant to generate a constant suction for transporting the material to be conveyed and the transport speed of the material to be conveyed is reduced, as a result of which noise generation is reduced; anda compressor element between the second pressure level and the at least one third container to generate negative pressure in the at least one third container if the pressure difference between the first pressure level and the second pressure level is not sufficient for transporting the material. 2. The arrangement according to claim 1, wherein the at least one ventilation unit is configured so as to be regulable or non-regulated. 3. The arrangement according to claim 1, wherein the at least one ventilation unit comprises a noise reduction device comprising a sound absorber. 4. The arrangement according to claim 1, further comprising at least one throttle element installed between the at least one ventilation unit, and the at least one third container or the connecting line. 5. The arrangement according to claim 1, further comprising a regulable or non-regulated throttle element connected parallel to the compressor element. 6. The arrangement according to claim 1, further comprising a nonreturn valve in a connecting line between the second pressure level and the at least one third container. 7. The arrangement according to claim 6, wherein the nonreturn valve is connected parallel to the compressor element. 8. The arrangement according to claim 6, wherein the nonreturn valve comprises an integrated throttle element. 9. The arrangement according to claim 1, further comprising a separator installed between the at least one third container and the second pressure level, the separator configured to accommodate material to be conveyed, so that transport of material to be conveyed from the at least one third container to the second pressure level is prevented, and wherein the at least one ventilation unit is installed between the third container and the separator. 10. The arrangement according to claim 1, further comprising at least first and second noise reduction devices installed on the first container and the second container, respectively. 11. The arrangement according to claim 1, further comprising an inlet protection device affixed in a boundary region between the connecting line and the at least one third container. 12. The arrangement according to claim 1, wherein the pressure difference reduction device further comprises a component with integrated throttle and ventilation function between the second pressure level and the at least one third container. 13. The arrangement according to claim 1, further comprising a sensor for detecting at least one transport characteristic of material to be conveyed between the first and second containers and the at least one third container. 14. The arrangement according to claim 13, further comprising a monitoring device coupled to the sensor and configured, based on at least one transport characteristic detected by the sensor, to determine the functionability of the arrangement. 15. The arrangement according to claim 1, wherein the at least one controllably variable ventilation unit is installed directly to or downstream of the at least one third container. 16. The arrangement according to claim 1, wherein the pressure difference reduction device further comprises at least one throttle element between the first and second containers and the second pressure level. 17. The arrangement according to claim 16, wherein the at least one throttle element is installed between the at least one third container and the second pressure level. 18. The arrangement according to claim 16, wherein the at least one throttle element is either regulable or non-regulated. 19. A method for an aircraft for adapting the transportation behavior of material to be conveyed, comprising: coupling a first container and a second container to a first pressure level;coupling at least one third container to a second pressure level;coupling the first and second container to a connecting line via a first actuating valve and a second actuating valve, respectively;maintaining a constant pressure difference between the first pressure level and the at least one third container to generate a constant suction for transporting material to be conveyed;transporting material to be conveyed, from at least one of the first container and the second container to the at least one third container via the connecting line;controlling a pressure difference reduction device for noise reduction wherein the pressure difference reduction device comprises at least one controllably variable ventilation unit,wherein the at least one ventilation unit is configured to control the pressure difference between the first pressure level and the at least one third container;wherein the pressure in the at least one third container is increased before changing one of the first and second actuating valves from a closed state to an open state, which open state is adapted to start the transportation process such that the transport velocity of the material to be conveyed is reduced, as a result of which noise generation is reduced, the pressure difference reduction device being between the first and second containers and the at least one third container; andreducing the pressure in the at least one third container by a compressor element, if the pressure difference between the first pressure level and the second pressure level is not sufficient for transporting the material. 20. The method according to claim 19, wherein by the pressure difference reduction device a transport speed of material to be conveyed is reduced, as a result of which noise generation at the first container is significantly reduced. 21. The method according to claim 20, wherein in the case of a malfunction the pressure difference reduction device is essentially closed without any auxiliary energy. 22. The method according to claim 20, wherein for controlling the at least one ventilation unit the pressure difference between the first and second containers and the at least one third container is used as a command variable. 23. The method according to claim 22, wherein the command variable for controlling the at least one ventilation unit is set depending on the position of the first and second containers and the at least one third container. 24. The method according to claim 20, wherein sensor data required for regulating the at least one ventilation unit is selected from the group consisting of cabin pressure data, ambient pressure data, fill level data, air volume, flight altitude data, and temperature data of the at least one second container. 25. The method according to claim 24, wherein from the sensor data including the measured tank pressure gradient, desired values and actual values, are compared to diagnose malfunctions. 26. The method according to claim 24, wherein the sensor data is air volume of the at least one third container. 27. The method according to claim 19, wherein the at least one ventilation unit is arranged between the at least one third container and the second pressure level, and the pressure is controlled in such a way that a flow of the material to be conveyed, into the at least one third container is made possible. 28. The method according to claim 19, wherein in the case of a malfunction the at least one ventilation unit is essentially closed without any auxiliary energy. 29. The method according to claim 19, wherein the pressure is altered and set by the compressor element and the at least one ventilation unit in a manner offset in time before and after conveying the material to be conveyed. 30. The method according to claim 19, wherein the at least one controllably variable ventilation unit is installed directly to or downstream of the at least one third container. 31. An aircraft comprising an arrangement for adapting the transportation behavior of material to be conveyed, wherein the arrangement comprises: a first container and a second container coupleable to a first pressure level;at least one third container coupleable to a second pressure level;a connecting line for transporting material to be conveyed from the first and second containers to the at least one third container, wherein the connecting line connects both the first and second containers to the third container;a first actuating valve and a second actuating valve for connecting the first and second containers to the connecting line, respectively;a pressure difference reduction device for noise reduction wherein the pressure difference reduction device is arranged at the connecting line and comprises at least one controllably variable ventilation unit, the pressure reduction device being between both the first and second containers and the at least one third container,wherein the at least one ventilation unit is configured to control the pressure difference between the first pressure level and the at least one third container;wherein the pressure in the at least one third container is configured to be increased before changing at least one of the first and second actuating valves from a closed state to an open state, which open state is adapted to start the transportation process such that the pressure difference between the first pressure level and the at least one third container is kept constant to generate a constant suction for transporting the material to be conveyed and the transport speed of the material to be conveyed is reduced, as a result of which noise generation is reduced; anda compressor element between the second pressure level and the at least one third container to generate negative pressure in the at least one third container if the pressure difference between the first pressure level and the second pressure level is not sufficient for transporting the material. 32. The aircraft according to claim 31, wherein the at least one controllably variable ventilation unit is installed directly to or downstream of the at least one third container.