An integrated environmental control (IEC) system includes a decontamination Pressure Swing Adsorption (PSA) system in which a contaminated decontamination bed is purged through a purge exhaust duct and subsequently dumped overboard through a purge ejector. The energy from a high pressure drain duct serves as the primary motive force for the purge ejector to create a sub-atmospheric region therein and reduce back pressure upon the PSA filtration system. The reduced back pressure creates additional pressure drop across the PSA filtration system which impro...
1. A method of purging a pressure swing adsorption decontamination system for a vehicle comprising the steps of:(1) purging contaminated airflow from the pressure swing adsorption decontamination system through a secondary flow path of a purge ejector; and (2) communicating a high pressure drain flow through a primary flow path of the purge ejector to form a sub-atmospheric region therein.
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