Power divider for motor vehicles and lubrication thereof

B - Operations – Transporting – 60 – K

Patent

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Details

B60K 17/344 (2006.01) F16H 57/04 (2010.01)

Patent

CA 2574820

The invention relates to a power divider for motor vehicles, comprising a housing (1, 2), a primary shaft (4) and a secondary shaft (7), wherein a friction clutch (8) consisting of an outer part (11) which is rigidly connected to the primary shaft, and an inner part (12), derives torque from the primary shaft (4) and delivers said torque to the secondary shaft (7) by means of the inner part (12) and a displacement drive (18, 19, 22). In order to ensure a sufficient supply of lubrication oil under all conditions, a oil reservoir (30) which at least partially surrounds the ramp ring (25, 26) is fixed in the housing (1, 2) between the coupling (8) and the displacement drive (18, 19), whereby the base of said oil reservoir (30) comprises at least one opening (40) which is adjacent to the upper part of the periphery of the ramp ring (25, 26), and the oil reservoir (30) has at least one guiding device (36) which extends into the centrifugal area of the displacement drive (18, 19), through which the centrifuged lubrication oil is received in the reservoir (30).

La présente invention concerne une boîte de transfert pour véhicules automobiles, comprenant un boîtier (1, 2), un arbre primaire (4) et un arbre secondaire (7), un embrayage à friction (8) composé d'une partie extérieure (11) reliée antirotatif à l'arbre primaire, et d'une partie intérieure (12), prélevant du moment de rotation à l'arbre primaire (4), pour le fournir à l'arbre secondaire (7) par l'intermédiaire de la partie intérieure (12) et d'un mécanisme de déplacement (18, 19, 22). Pour garantir, quelles que soient les conditions, un apport suffisant en huile lubrifiante, un réservoir d'huile (30) qui entoure partiellement les anneaux de rampe (25, 26), est fixé dans le boîtier (1, 2) entre l'embrayage (8) et le mécanisme de déplacement (18, 19), le fond (31) dudit réservoir comprenant au moins une première ouverture (40) qui est adjacente à une partie supérieure de la périphérie des anneaux de rampe (25, 26), et le réservoir d'huile (30) présente au moins un mécanisme directeur (36) qui vient jusque dans la zone centrifuge du mécanisme de déplacement (18, 19) et qui permet à l'huile lubrifiante projetée par centrifugation, d'atteindre l'intérieur du réservoir (30).

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