Rotary switch assembly for ion propulsion system

A gridded ion propulsion system comprising two power controllers, four ion thrusters, and two switch assemblies. One switch assembly is connected to the two power controllers and to two of the four ion thrusters. The other switch assembly is connected to the two power controllers and to the other tw...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Caplin, Glenn N, Kreiner, Kurt B, Stickelmaier, John F, Perkins, Julie Marie, Smith, Brian K, Ziavras, John, Lauenstein, Peter S
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AIRCRAFT AVIATION BASIC ELECTRIC ELEMENTS BLASTING COSMONAUTICS ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES HEATING LIGHTING MACHINES OR ENGINES FOR LIQUIDS MECHANICAL ENGINEERING OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PRODUCING A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDEDFOR PRODUCING MECHANICAL POWER RELAYS SELECTORS TRANSPORTING VEHICLES OR EQUIPMENT THEREFOR WEAPONS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS
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Beschreibung
Zusammenfassung:	A gridded ion propulsion system comprising two power controllers, four ion thrusters, and two switch assemblies. One switch assembly is connected to the two power controllers and to two of the four ion thrusters. The other switch assembly is connected to the two power controllers and to the other two ion thrusters. Each switch assembly has first and second switching states which can be selected to enable either power controller to supply power to any one of the four ion thrusters. Each switch assembly comprises a respective movable body and a respective multiplicity of switches which change state in unison when the movable body changes position. For example, the movable body may be a rotatable hollow shaft driven by a stepper motor.