The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 30, 2022
Filed:
Jun. 21, 2018
Arianegroup Sas, Paris, FR;
Didier Vuillamy, Quincampoix, FR;
Gérard Roz, Pressagny l'Orgueilleux, FR;
Emmanuel Edeline, Ecos, FR;
ARIANEGROUP SAS, Paris, FR;
Abstract
Cryogenic propellant tank () for a spacecraft engine, comprising an external enclosure () defining an internal volume, characterized in that the internal volume of the tank comprises a primary volume (V) and a secondary volume (V) connected to the primary volume (V) via a valve () configured to selectively allow a passage of fluid from the primary volume (V) to the secondary volume (V), or to isolate the secondary volume (V) from the primary volume (V), the primary volume (V) having a primary orifice () adapted to be connected to a first pressurization source (), the secondary volume (V) having a supply orifice () adapted to be connected to a supply line of a spacecraft engine (), and a secondary orifice () adapted to be connected to a second pressurization source ().