Search International and National Patent Collections

1. (WO2017037062) GRIDDED ION THRUSTER WITH INTEGRATED SOLID PROPELLANT

Pub. No.:    WO/2017/037062    International Application No.:    PCT/EP2016/070412
Publication Date: Fri Mar 10 00:59:59 CET 2017 International Filing Date: Wed Aug 31 01:59:59 CEST 2016
IPC: F03H 1/00
Applicants: ECOLE POLYTECHNIQUE
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
Inventors: RAFALSKYI, Dmytro
AANESLAND, Ane
Title: GRIDDED ION THRUSTER WITH INTEGRATED SOLID PROPELLANT
Abstract:
The invention relates to an ion thruster (100), comprising: a chamber (10); a reservoir (20), comprising a solid propellent (PS), housed in the chamber (10) and including a conductive jacket (21) equipped with an orifice (22); means (30, 40) for forming an ion-electron plasma in the chamber (10), which means are able to sublime the solid propellant in the reservoir (20), then to generate said plasma in the chamber (10) from the sublimed propellant coming from the reservoir (20) through the orifice (22); a means (50) for extracting and accelerating the ions and electrons of the plasma out of the chamber (10), which means comprises at least two grids (52', 51) at one end (E) of the chamber (10); a radiofrequency AC voltage source (30) for generating a radiofrequency signal of frequency comprised between the plasma frequencies of the ions and of the electrons, which source is placed in series with a capacitor (53) and connected, by one of its outputs and via this capacitor (53), to one (52') of the grids, the other grid (51) being connected to the other output of said voltage source (30).