F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 1/04 (2006.01) F04B 27/04 (2006.01)
Patent
CA 2540721
The invention relates to an eccentric drive mechanism for volumetric pumps or motors, comprising the following features: a) at least one stroke member (6, 6'), which is rotationally fixed to the shaft (W) of the crank gear and has at least one stroke bearing (HL) that is eccentric in relation to the axis (XX) of the shaft; b) the stroke bearing (HL) connects the stroke member (HG) to a coupling member (KG) that plays no part in the rotational displacement, said member being connected to at least one pressure member (DG) for the oscillating delivery drive mechanism of at least one piston-cylinder unit by means of a transversal bearing (QL); c) at least one pressure delivery source (DQ) for lubricant, which is connected on the output side to the transversal bearing (QL) via a system of channels; d) starting from a connection channel (KA) that is connected to the pressure delivery source (DQ), the channel system comprises a first channel (K1) running through the stroke member (HG) into the stroke bearing (HL) and at least one second channel (K2) running from said stroke bearing through the coupling member (KG) into the transversal bearing (QL).
L'invention concerne un mécanisme de transmission excentrique destiné à des pompes d'action volumétrique ou moteurs et ayant les caractéristiques suivantes: a) au moins un organe de levage (HG), relié bloqué en rotation à l'arbre (W) du mécanisme à manivelle, présente au moins un palier (HL) excentrique par rapport à l'axe (XX) de cet arbre; b) le palier (HL) relie l'organe de levage (HG) à un organe de couplage (KG) qui ne participe pas au mouvement de rotation et qui, à son tour, est relié à au moins un organe de pression (DG) par un palier transversal (QL) pour la commande de mouvement oscillant d'au moins une unité cylindre-piston; c) au moins une source d'alimentation en pression (DQ) destinée à un fluide de graissage qui, côté sortie, est relié au palier transversal (QL) par un système canal; d) à partir d'un canal de raccordement (KA) relié à la source d'alimentation en pression (DQ), le système canal comprend au moins un premier canal s'étendant par l'organe de levage (HG) jusque dans le palier (HL) et au moins un deuxième canal (K2) s'étendant du palier de levage au palier transversal (QL) en passant par l'organe de couplage (KG).
Frey Bernhard
Robic
LandOfFree
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