F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 31/122 (2006.01) B29C 45/28 (2006.01) F15B 15/14 (2006.01)
Patent
CA 2496768
A pressurized-fluid-operated actuator has multiple piston surfaces for providing increased output force. The actuator includes a stationary cylinder that contains a movable cylinder having multiple inner chambers separated by stationary inner pistons. The inner chambers are in fluid communication with extension and retraction ports provided in the stationary cylinder wall. Introduction of pressurized fluid into one port causes the fluid pressure to act on "n" piston surface(s) to retract the movable cylinder. Introduction of pressurized fluid into the other port causes the fluid pressure to act on "n + 1" piston surfaces to provide an increased output force without increasing the diameters of the cylinders and without increasing the pressure of the fluid.
L'invention concerne un actionneur à fluide pressurisé qui comporte plusieurs surfaces de piston permettant d'augmenter la force de sortie. Il comprend un cylindre stationnaire qui contient un cylindre mobile à plusieurs chambres internes séparées par des pistons internes. Ces chambres sont en communication fluidique avec des orifices d'extension et de rétraction établis dans la paroi du cylindre stationnaire. L'introduction de fluide pressurisé dans un orifice conduit ce fluide à agir sur "n" surface(s) de piston pour la rétraction du cylindre mobile. L'introduction de fluide pressurisé dans l'autre orifice conduit ce fluide à agir sur "n + 1" surfaces de piston pour la production d'une force de sortie accrue, sans augmentation du diamètre des cylindres et de la pression du fluide.
Adas James O.
Novo Rui
Borden Ladner Gervais Llp
D-M-E Company
Dme Company Llc
LandOfFree
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