F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 9/10 (2006.01) F01L 23/00 (2006.01) F04B 9/105 (2006.01) F04B 9/107 (2006.01) F04B 13/02 (2006.01)
Patent
CA 2636627
Hydraulic machine, in particular a hydraulic motor, comprising: a casing (1); a piston (4) which can slide in the casing, the piston separating two chambers (8, 9); hydraulic switching means (C) for supplying liquid to and for evacuating the chambers separated by the piston, comprising at least one connecting rod (14) acting on a distribution member which can adopt two stable positions; and initiating means comprising a pusher (18) which, at the end of the piston stroke, can cause a sudden change in the position of the switching means, under the action of an elastic means (E), in order to reverse the stroke. The elastic means (E) is secured, at each of its ends, to an articulation member (20a, 20b) respectively accommodated in a housing (21, 22) provided on the connecting rod and on another moving part (18) of the machine, each housing (21, 22) being open in a direction substantially opposed to the direction of the force exerted by the elastic means (E) in the housing, such that each articulation member (20a, 20b) can be removed from its open housing (21, 22) against the action of said force, thereby simplifying assembly and disassembly.
Machine hydraulique, en particulier un moteur hydraulique comprenant : une enveloppe (1) ; un piston (4) propre à coulisser dans l'enveloppe, le piston séparant deux chambres (8,9); des moyens de commutation hydraulique (C) pour l'alimentation en liquide et l'évacuation des chambres séparées par le piston, comportant au moins une biellette (14) agissant sur un organe de distribution pouvant prendre deux positions stables ; et des moyens de déclenchement comprenant un poussoir (18) propre à provoquer, en fin de course du piston, un changement brusque de la position des moyens de commutation, sous l'action d'un moyen élastique (E), pour l'inversion de la course. Le moyen élastique (E) est solidaire, à chacune de ses extrémités, d'un organe d'articulation (20a, 20b) reçu respectivement dans un logement (21 ,22) prévu sur la biellette et sur une autre pièce mobile (18) de la machine, chaque logement (21 ,22) étant ouvert suivant une direction sensiblement opposée au sens de l'effort exercé par le moyen élastique (E) dans le logement, de sorte que chaque organe d'articulation (20a, 20b) peut être extrait de son logement ouvert (21 ,22) à rencontre dudit effort, le montage et le démontage s'en trouvant simplifiés.
Berton Dominique
Darbois Matthieu
Duquennoy Philippe
Furet Sebastien
Dosatron International
Robic
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