Chamber bottom for a plasma thruster
AssigneeSafran Spacecraft Propulsion
InventorsJulien Pierre Alain Vaudolon, Dominique Jean Etienne Indersie, Laurent Alexandre René Godard, Tiphaine De Tinguy, Fabrice François Julien Mayeul, Romain Vallat
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Abstract
Chamber bottom for a plasma thruster making it possible to combine several functions in a single piece and, in particular, to fasten certain insulating parts of the plasma thruster, the chamber bottom having, in a single piece, a chamber bottom surface for closing an annular chamber formed by the chamber bottom and at least one insulating part attached to the chamber bottom, and at least a first set of tabs including fastening tabs for fastening the at least one insulating part to the chamber bottom.
Claims9
A plasma thruster having a chamber bottom, the chamber bottom comprising, in a single piece, a chamber bottom surface for closing an annular chamber formed by the chamber bottom and delimited by at least one insulating part attached to the chamber bottom, and
- at least a first set of tabs comprising fastening tabs for fastening by elastic fitting said at least one insulating part to the chamber bottom, wherein the chamber bottom is made of a metallic material, and wherein at least one fastening tab among the fastening tabs extends axially, beyond the chamber bottom surface in a downstream direction, is elastically deformable and has at its distal end a protrusion configured to cooperate with a notch, a groove or a shoulder of the at least one insulating part;
- and
- a second set of tabs.
Dependencies are inferred from the claim text.