F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 58/04 (2006.01)
Patent
CA 2573904
A replaceable sleeve insert for a choke assembly is disclosed, wherein the replaceable sleeve insert has a tubular member coaxially and sealingly retained within an upper body section of the choke assembly. The tubular member is also sealed against the bonnet. The tubular member has an inner diameter sufficient to accommodate coaxial linear displacement of a shuttle assembly and an outer diameter sufficient to fit within an upper body orifice in the upper body section. At least one attachment member outwardly extends from the tubular 10 member and is retained between the upper body section and the bonnet. The tubular member has an opening in the sleeve wall to provide fluid communication from the choke inlet to the interior of the tubular member. A method of assembling a choke with a replaceable sleeve insert is also described.
Manchon rapporté remplaçable pour ensemble étrangleur, ledit manchon comportant un élément tubulaire disposé coaxialement et fixé de manière étanche dans la partie supérieur du corps de l'ensemble étrangleur. De plus, l'élément tubulaire est raccordé à la coiffe de manière hermétique. Ledit élément tubulaire présente un diamètre intérieur suffisant pour autoriser le déplacement linéaire coaxial d'un ensemble navette, et un diamètre extérieur suffisant pour s'encastrer dans l'orifice de la partie supérieure du corps. Au moins un élément de fixation dépasse de l'élément tubulaire est maintenu entre la partie supérieure du corps et la coiffe. L'élément tubulaire comporte dans la paroi du manchon une ouverture mettant l'entrée du dispositif étrangleur et l'intérieur de l'élément tubulaire en communication fluidique. Est également décrite une méthode de montage d'un manchon rapporté remplaçable sur un dispositif étrangleur
Burkhard Alan
Suter Roger
Finlayson & Singlehurst
M-I L.l.c.
LandOfFree
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