An electric propulsion machine includes an ion thruster having an annular discharge chamber housing an anode having a large surface area. The ion thruster includes flat annular ion optics with a small span to gap ratio. Optionally, a second electric propulsion thruster may be disposed in a cylindrical space disposed within an interior of the annulus.
Electric Propulsion Apparatus
2013-06-25
Miscellaneous
No indication
English
Electric steering apparatus for vessel propulsion apparatus, and vessel propulsion apparatus
European Patent Office | 2015
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