F - Mech Eng,Light,Heat,Weapons – 15 – B
Patent
F - Mech Eng,Light,Heat,Weapons
15
B
F15B 13/01 (2006.01)
Patent
CA 2427290
The invention relates to a locking block (1) for controlling a hydraulic consumer. A main piston (16) which is configured with an advanced opening can be lifted from a valve seat (26) in a return function, by means of an opening piston (68). A pressure chamber (76) which is delimited by the main piston on one side and by the opening piston on the other side is connected to a tank channel or low-pressure channel (8) for both the return function and the non- return function of the locking block, so that the changeover from the return function to the non-return function and vice-versa can take place very quickly.
L'invention concerne un élément de blocage (1) destiné à la commande d'un consommateur hydraulique. Un piston principal (16) avec ouverture avancée peut, dans une fonction de retour, être soulevé d'un siège de soupape (26) par un piston de chasse (68). Un espace de pression (76) délimité par le piston principal, d'une part, et par le piston de réglage, d'autre part, est relié à un canal de réservoir ou basse pression (8) lors de la fonction de retour comme de la fonction de non-retour de l'élément de blocage, ce qui permet un transfert de la fonction de retour à la fonction de non-retour et vice-versa très rapide.
Bosch Rexroth Ag
Oyen Wiggs Green & Mutala Llp
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