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Electrodynamic TetherA tether system for providing thrust to or power subsystems of an artificial satellite in a low earth orbit. The tether has three main sections, an insulated section connected to the satellite, a conducting section connected to the insulating section for drawing in and releasing electrons from the space plasma and a non-conducting section for providing a tension to the other sections of the tether. An oxygen resistant coating is applied to the bare wire of the conducting section as well as the insulated wires of the insulated section that prevents breakdown during tether operations in the space plasma. The insulated and bare wire sections also surround a high tensile flexible polymer core to prevent any debris from breaking the tether during use.
Document ID
20070003580
Acquisition Source
Headquarters
Document Type
Other - Patent
Authors
Johnson, Charles L.
Ballance, Judy L.
Welzyn, Kenneth J.
Vaughn, Jason A.
Lorenzini, Enrico
Schuler, Peter S.
Date Acquired
August 24, 2013
Publication Date
October 10, 2006
Subject Category
Spacecraft Design, Testing And Performance
Report/Patent Number
Patent Application Number: US-Patent-Appl-SN-690161
Patent Number: NASA-Case-MFS-31490-1
Patent Number: US-Patent-7,118, 074
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
NASA-Case-MFS-31490-1|US-Patent-7,118, 074
Patent Application
US-Patent-Appl-SN-690161
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