| 主权项 |
1. A pressure control system for an aircraft seat comprising:
a base plate; a plurality of cells sealingly attached to the base plate, each cell of the plurality of cells having a bellows and a top inflatable diaphragm, wherein each cell defines a pressure chamber therein; a plurality of charging apertures formed in the base plate such that each cell has at least one associated charging aperture, wherein each respective charging aperture is in fluid communication with a respective pressure chamber; a plurality of discharging apertures formed in the base plate such that each cell has at least one associated discharging aperture, wherein each respective discharging apertures is in fluid communication with the respective pressure chamber; at least one charging valve in fluid communication with the pressure chambers and configured to supply air to the chambers through the charging apertures; at least one discharging valve in fluid communication with the pressure chambers and configured to expel air from the pressure chambers through the discharging apertures; and a pump configured to supply pressurized air to the at least one charging valve. |
