F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 31/16 (2006.01) E01F 9/047 (2006.01) F16K 1/54 (2006.01) F16K 17/10 (2006.01)
Patent
CA 2619696
A reactive speed hump (2) includes a fluid flow control valve assembly (4). A first valve (18, 20, 21) is naturally open and a second valve (10, 14, 15, 16, 17), naturally closed. Application of fluid pressure on the control valve assembly below a first lower threshold level or above a second higher threshold level allows a flow of fluid from the inlet to the outlet, but an application of fluid pressure on the control valve between said first and second threshold levels allows substantially no fluid to flow between the inlet (7) and the outlet (9).
Dos d'âne allongé réactif (2) comportant un ensemble soupape de régulation de débit de fluide (4). Une première soupape (18, 20, 21) est naturellement ouverte tandis qu'une deuxième soupape (10, 14, 15, 16, 17) est naturellement fermée. La pression d'un fluide appliquée sur l'ensemble soupape de régulation, sous un premier seuil inférieur ou au-dessus d'un deuxième seuil supérieur, permet le passage d'un liquide de l'entrée vers la sortie. Cependant, la pression d'un fluide appliquée sur la soupape de régulation entre les premier et deuxième seuils empêche presque complètement le liquide de passer entre l'entrée (7) et la sortie (9).
Fox Nigel Peter
Heeks Graham
Autospan Limited
Gowling Lafleur Henderson Llp
LandOfFree
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