F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 39/06 (2006.01) F16L 27/087 (2006.01)
Patent
CA 2375360
A swivel apparatus for the transfer of at least one pressurized process fluid, comprising a central stem (2) on which there are placed a number of ring elements (3-6) comprising at least one outlet ring (3) having a number of outlets (10) communicating through an annulus (14) with an associated course (12 resp. 13) in the stem (2), and a number of supporting rings (5, 6) which are stationarily arranged on the stem (2). Between the stem (2) and the outlet ring (3) there is arranged a distance ring (4) which is stationary relative to the stem, and on each side of the outlet ring there is arranged a supporting ring (5 resp. 6) which is stationary relative to the stem and which is axially supported both by the distance ring (4) and an axial bearing (17) arranged at a radial distance therefrom between the supporting ring (5 resp. 6) and the outlet ring (3). A dynamic sealing means (21) between the outlet ring (3) and each supporting ring (5 resp. 6) is arranged in the radial region between the distance ring (4) and the axial bearing (17) in question.
L'invention concerne un appareil de tête d'injection qui sert à transférer au moins un fluide de traitement pressurisé, qui comprend une tige centrale (2) sur laquelle, sont placés plusieurs segments de piston (3-6), comportant au moins, un piston de sortie (3) possédant plusieurs sorties (10), qui communiquent par un annulaire (14) avec un trajet associé (12 resp. 13) dans la tige et plusieurs pistons de support (5, 6) qui sont disposés en position fixe sur la tige (2). Entre la tige (2), et le piston de sortie (3), se trouve un piston d'espacement (4), en position fixe par rapport à la tige et sur chaque côté du piston de sortie, se trouve un piston de support (5 resp. 6), en position fixe par rapport à la tige et soutenu axialement, à la fois par le piston d'espacement (4) et un support axial (17), disposé à distance radiale entre le piston de support (5 resp. 6) et le piston de sortie (3). Un système de fermeture étanche dynamique (21) entre le piston de sortie (3) et chaque piston de support (5 resp. 6) est placé dans la région radiale entre le piston d'espacement (4) et le support axial (17) susmentionné.
Battison Williams Dupuis
Framo Engineering As
LandOfFree
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