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1. WO2010147912 - EYEBALL SEALS FOR GIMBALED ROCKET ENGINES, AND ASSOCIATED SYSTEMS AND MTEHODS

Publication Number WO/2010/147912
Publication Date 23.12.2010
International Application No. PCT/US2010/038550
International Filing Date 14.06.2010
IPC
F02K 9/84 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
KJET-PROPULSION PLANTS
9Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
80characterised by thrust or thrust vector control
84using movable nozzles
CPC
F02K 9/84
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
KJET-PROPULSION PLANTS
9Rocket- engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
80characterised by thrust or thrust vector control
84using movable nozzles
F05D 2240/55
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
2240Components
55Seals
F16J 15/46
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
JPISTONS
15Sealings
46with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings
Applicants
  • BLUE ORIGIN, LLC [US]/[US] (AllExceptUS)
  • WEINBERG, Erich, K. [US]/[US] (UsOnly)
  • MIKULKA, Beth, Allyson [US]/[US] (UsOnly)
  • CARVER, Kip [US]/[US] (UsOnly)
Inventors
  • WEINBERG, Erich, K.
  • MIKULKA, Beth, Allyson
  • CARVER, Kip
Agents
  • WESCHKIN, John, M.
Priority Data
61/187,25915.06.2009US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) EYEBALL SEALS FOR GIMBALED ROCKET ENGINES, AND ASSOCIATED SYSTEMS AND MTEHODS
(FR) JOINTS À ROTULE POUR DES MOTEURS-FUSÉES MONTÉS À LA CARDAN ET SYSTÈMES ET PROCÉDÉS ASSOCIÉS
Abstract
(EN)
Eyeball seals for a gimbaled rocket engines, and associated systems and methods are disclosed. A system in accordance with a particular embodiment includes a rocket body, an engine carried by and movable relative to the rocket body, and a seal assembly. The seal assembly can include a sealing surface carried by one of the rocket body and the engine, and a seal element carried by the other of the rocket body and the engine. The seal element is in contact with the sealing surface. The seal assembly can further include a cylinder and a piston slideably received in the cylinder, with one of the piston and the cylinder carrying the seal element. The cylinder includes ports that are in fluid communication with a region external to the rocket body. Accordingly, pressures external to the rocket body can force the seal element and/or the sealing surface into contact with each other.
(FR)
L'invention concerne des joints à rotule pour des moteurs-fusées montés à la Cardan et des systèmes et procédés associés. Un système selon un mode de réalisation particulier comprend un corps de fusée, un moteur contenu dans le corps de fusée et mobile par rapport à celui-ci et un ensemble joint. L'ensemble joint peut comprendre une surface d'étanchéification contenue dans un élément parmi le corps de fusée et le moteur et un élément joint contenu dans l'autre élément parmi le corps de fusée et le moteur. L'élément joint est en contact avec la surface d'étanchéification. L'ensemble joint peut comprendre en outre un cylindre et un piston reçu de manière coulissante dans le cylindre, le piston et/ou le cylindre contenant l'élément joint. Le cylindre comprend des orifices qui sont en communication fluidique avec une zone externe au corps de fusée. Par conséquent, des pressions externes au corps de fusée peuvent forcer l'élément joint et/ou la surface d'étanchéification à venir en contact l'un avec l'autre.
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