Technical Paper: Adaptation of a Miniature Latch Valve into the Aeolus Oxygen Rated in Situ Cleaning System

 Abstract: Adaptation of a Miniature Latch Valve into the Aeolus Oxygen Rated in Situ Cleaning System

Authored By: Brian Ippolitto, Engineer, Marotta Controls and Jonathan Wynn, Principal Propulsion Engineer, Airbus Defense and Space

This paper presents the adaptation of a miniature latch valve for integration into the gaseous oxygen In-situ Cleaning System (ICS) abroad the Aeolus spacecraft which Airbus Defense and Space UK are developing on behalf of ESA.  The heritage design was previously qualified as a cold gas micro-thruster for NASA’s ST-5 program.  Modifications were made to the heritage design to meet the fluid compatibility and higher pressure requirements of the new spacecraft.  The development and qualification phases of the miniature latch valve will be presented, focusing on the technical challenges that were faced as well as the aggressive schedule demand that required a unique collaboration between suppliers and end customers alike.  

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