F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 17/30 (2006.01) F16K 17/34 (2006.01) F16L 55/132 (2006.01)
Patent
CA 2434540
The invention concerns a safety device to be inserted in a conduit (K) through which flows a fluid from upstream (X-) to downstream (X+), the said device comprising a tube (1) offering to the fluid a central circulation path (CC) controlled by a central valve (3) that closes when the flow of the said fluid is excessive. The device according to the invention comprises also an elastically deformable annular closure (4) mounted at the external periphery of the tube (1), and providing for the fluid a peripheral circulation path which it closes selectively by undergoing radial expansion in the event of excessive fluid flow.
L'invention concerne un dispositif de sécurité destiné à être inséré dans une canalisation (K) 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 (CC) contrôlée par un clapet central (3) se fermant en cas de débit excessif de ce fluide. Le dispositif selon l'invention comprend en outre un obturateur annulaire (4) élastiquement déformable, monté à la périphérie externe du tube (1), et offrant au fluide une voie de circulation périphérique qu'il obture sélectivement en subissant une expansion radiale en cas de débit excessif du fluide.
Bouajaj Lahouari
Delprat Cyrille
Leme David
Pineau Sylvain
Gaz de France
Gdf Suez
Smart & Biggar
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