F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 17/30 (2006.01) F16L 55/10 (2006.01) F16L 55/136 (2006.01)
Patent
CA 2689040
The invention relates to a safety device to be inserted in a pipe through which a fluid flows from an upstream side (X-) to a downstream side (X+), this device comprising a tube (1) offering the fluid a central flow path controlled by a central valve (3) which closes in the event of excessive flow of this fluid, an elastically deformable annular shutter (4) mounted on the external periphery of the tube (1), and retention clamps (20). According to the invention, each of the clamps (20) has a tied end fastened to the periphery of the tube (1) upstream of the annular shutter (4) and can adopt, under the effect of a radial compression, a folded configuration in which its free end is turned towards this annular shutter (4).
L'invention concerne un dispositif de sécurité destiné à être inséré dans une canalisation parcourue par un fluide qui y circule d'amont (X-) en aval (X+), ce dispositif comprenant un tube (1) offrant au fluide une voie de circulation centrale contrôlée par un clapet central (3) se fermant en cas de débit excessif de ce fluide, un obturateur annulaire (4) élastiquement déformable et monté à la périphérie externe du tube (1), et des griffes de retenue (20). Selon l'invention, chacune des griffes (20) présente une extrémité liée fixée à la périphérie du tube (1) en amont de l'obturateur annulaire (4), et peut adopter, sous l'effet d'une compression radiale, une configuration de repli dans laquelle son extrémité libre est tournée vers cet obturateur annulaire (4).
Dalibey Amine
Mangon Didier
Gdf Suez
Hofbauer Patrick J.
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