F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
F01D 21/06 (2006.01) F02C 9/46 (2006.01)
Patent
CA 2213416
The invention concerns a shut-off valve member (3) which can be moved by spring force into a position in which it interrupts the fuel line to the gas turbine. The shut-off valve member (3) is held by a likewise pre-tensioned scissor-type mechanism (8) in the position in which it opens the fuel line. If a faulty gas turbine component acts on the scissor-type mechanism (8), the shut-off valve member (3) is released and moves abruptly into the position in which it interrupts the fuel supply. The gas turbine is thus switched off safely and reliably in the event of failure of a component, for example the turbine shaft.
L'invention concerne un corps de soupape d'arrêt (3) que la force exercée par un ressort permet d'amener en position d'interruption de l'alimentation en combustible dans une conduite de combustible de la turbine à gaz. Lorsqu'il se trouve dans la position qui libère la conduite de combustible, le corps de la soupape d'arrêt (3) est maintenu par un mécanisme articulé (8) précontraint. En cas de rupture d'un constituant de la turbine à gaz, le corps de la soupape d'arrêt (3) est libéré et passe ainsi brusquement dans la position qui interrompt l'alimentation en combustible. Ce système permet d'arrêter en toute sécurité et fiabilité la turbine à gaz en cas de rupture d'un constituant de la turbine à gaz, par exemple de l'arbre de la turbine.
Bmw Rolls-Royce Gmbh
Osler Hoskin & Harcourt Llp
LandOfFree
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