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    • 4. 发明授权
    • Method and apparatus for a vacuum assisted toilet system
    • 真空辅助马桶系统的方法和装置
    • US4955091A
    • 1990-09-11
    • US231445
    • 1988-08-12
    • Lawrence M. GrillsEugene F. Colditz
    • Lawrence M. GrillsEugene F. Colditz
    • B64D11/02E03F1/00
    • B64D11/02E03F1/006
    • A non recirculating, low volume toilet system for aircraft includes a interim storage tank connected to the toilet bowl. A waste drain leads to a gate valve which opens to a vacuum assisted luid gas separator. The separator is connected to the main waste tank. In a first embodiment, the main waste tank is a non pressurizable vessel and is maintained within a pressurized portion of the aircraft. The separator is alternatively connected to the exterior environment and the pressurized interior. When the toilet is utilized, the flushing operation uses a very small amount of flushing fluid to clean the bowl and transfer the contents to the interim tank. Opening the gate valve subjects the bowl and the interim tank to a pressure differential which transfers the flushing liquid and waste matter to the separator. The gate valve is closed and the separator is permitted to reach pressure equilibrium with the main waste tank at which time the contents of the separator are transferred to the main waste tank. A partial vacuum is again drawn in the separator, awaiting the next flush operation. In an alternative embodiment, the main waste tank can be a pressure vessel in the pressurized portion of the aircraft and can be maintained at the exterior pressure. In this embodiment, the separator is then maintained at the same pressure as the main waste tank at all times.
    • 用于飞行器的不循环的低容量马桶系统包括连接到马桶的临时储存罐。 废水排放通向通向真空辅助路基气分离器的闸阀。 分离器连接到主废水箱。 在第一实施例中,主废物箱是不可加压的容器,并且保持在飞行器的加压部分内。 隔板交替连接到外部环境和加压内部。 当使用马桶时,冲洗操作使用非常少量的冲洗流体来清洁碗并将内容物转移到临时罐。 打开闸阀使碗和中间罐受到将冲洗液和废物转移到分离器的压力差。 闸阀关闭,允许分离器与主废水箱达到压力平衡,此时分离器的内容物转移到主废水箱。 在分离器中再次抽出部分真空,等待下一次冲洗操作。 在替代实施例中,主废气罐可以是飞机的加压部分中的压力容器,并且可以保持在外部压力。 在该实施例中,隔板始终保持与主废液箱相同的压力。