F - Mech Eng,Light,Heat,Weapons – 04 – C
Patent
F - Mech Eng,Light,Heat,Weapons
04
C
F04C 18/02 (2006.01)
Patent
CA 2595360
The invention relates to a vacuum pump comprising: a fixed disc (8) which is solidly connected to a fixed body (2) and which is equipped with a spiral-shaped element (14); a movable disc (4) facing the fixed disc (8) and having a spiral-shaped element (16) which is interleaved with the spiral (14) of the fixed disc (8); a connection between the fixed body (2) and the movable disc (4), which is provided with at least two cranks (18) each comprising two shafts (26, 28) that are displaced with the same eccentricity; and motor means (6) which are used to drive the movable disc (4) in a circulation translational motion and which comprise a motor (6) having an output shaft (30) which is parallel to the axes of the discs, said output shaft (30) of the motor (6) being centred on the axis of the movable disc (4) and driving same with the aid of a coupling piece (32) having the same eccentricity as the cranks (18).
Cette pompe à vide comporte : - un disque fixe (8) solidaire d'un corps fixe (2) et présentant une spirale (14), - un disque mobile (4) faisant face au disque fixe (8) et présentant une spirale (16) intercalée avec la spirale (14) du disque fixe (8), - une liaison entre le corps fixe (2) et le disque mobile (4), cette liaison présentant au moins deux manivelles (18) comportant chacune deux arbres (26, 28) décalés d'une même excentricité, - des moyens moteur (6) pour entraîner le disque mobile (4) dans un mouvement de translation circulaire, ces moyens moteur comportant un moteur (6) présentant un arbre de sortie (30) parallèle aux axes des disques, et l'arbre de sortie (30) du moteur (6) étant centré sur l'axe du disque mobile (4) et entraînant celui-ci à l'aide d'une pièce d'accouplement (32) présentant la même excentricité que les manivelles (18).
Robic
V.g.b. (vulliez Gestion Brevets)
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