Kryogenische Fluidkupplung

Raccord pour fluide cryogénique

Cryogenic coupler

Abstract

A cryogenic coupler includes a socket (10) and a plug (11) that can be detachably inserted into the socket. The socket and the plug have passages (10a) for passing a cryogenic medium therethrough, and are provided with valves (10b,11b) for blocking the respective passages when the plug is disconnected from the socket. A seal assembly is arranged between opposite end surfaces of the socket and the plug. The seal assembly has a resilience characteristic that is substantially uninfluenced by the cryogenic temperature, and thus prevents leakage of the cryogenic medium to outside, when passages in the socket and the plug are connected to each other. The coupler allows a facilitated connection and disconnection of the passages, even under a low temperature condition.

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Patent Citations (4)

    Publication numberPublication dateAssigneeTitle
    GB-1586155-AMarch 18, 1981Messer Griesheim GmbhDisconnectable coupling for pipes
    GB-2068069-AAugust 05, 1981Ekman K RDisconnectible pipe couplings
    US-3116943-AJanuary 07, 1964Cryogenics IncQuick disconnect cryogenic coupling
    US-4327770-AMay 04, 1982Outboard Marine CorporationQuick disconnect fluid line coupling

NO-Patent Citations (0)

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Cited By (4)

    Publication numberPublication dateAssigneeTitle
    FR-2865260-A1July 22, 2005Air LiquideSysteme de connexion d'extremites de conduite de fluide
    US-7290397-B2November 06, 2007Air Products & Chemicals, Inc.Linearly-actuated cryo-fluid connection (LACC) for manufacturing machines
    WO-03035322-A1May 01, 2003Air Products And Chemicals, Inc.Linearly-actuated cryo-fluid connection (lacc) for manufacturing machines
    WO-2005077812-A1August 25, 2005L'Air Liquide Société Anonyme à Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procédés Georges ClaudeSystem for connecting the ends of fluid conduits