F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 31/363 (2006.01) F15B 13/04 (2006.01)
Patent
CA 2246709
The invention relates to a 2-port directional fitted valve (2) with a main piston (6) through which hydraulic fluid can flow, guided in a valve bushing (4) and via which an inlet connection (B) is connected to an outlet connection (A). An operative surface (D-d) is provided in the region of a throttle point (8) of the main piston (6) with the result that when the pressure drops at the throttle point (8) a pressure force acts on the main piston (6) which pushes it back into its starting position.
L'invention concerne un distributeur bidirectionnel intégré (2) comportant un piston principal (6) guidé dans une douille (4), parcouru par un fluide hydraulique, et reliant un raccordement d'entrée B à un raccordement de sortie A. Une surface active (D-d) est ménagée dans la région d'un point d'étranglement (8) du piston principal (6), de sorte que lorsque la pression chute au niveau du point d'étranglement (8), une force de pression agit sur le piston principal (6) pour le ramener à sa position initiale.
Mannesmann Rexroth Ag
Oyen Wiggs Green & Mutala Llp
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