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Axle assembly for drive device of a motor vehicle

  • US 10,179,478 B2
  • Filed: 09/17/2015
  • Issued: 01/15/2019
  • Est. Priority Date: 09/17/2015
  • Status: Active Grant
First Claim
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1. An axle assembly (1) for a drive device for road wheels (7) of a vehicle, comprising:

  • a stationary housing (10) having a housing interior (9) at least partially filled with a lubricating liquid;

    differential supports (23) arranged in the housing interior (9), the differential supports contactingly supporting a differential of the drive device;

    axle housings (20) connected to and extending from the stationary housing (10) and structured and arranged with respect to the stationary housing (10) so as to provide respective openings through which the axles (5) of the vehicle pass towards the road wheels (7);

    a venting bore (22) in one of the axle housings (20) configured to allow pressurized air to escape from the stationary housing (10); and

    at least two ribs (34) arranged, parallel or substantially parallel to each other, at an upper surface of said housing interior (9) of said stationary housing (10) and positioned transverse to a direction of the one of the axle housings (20) having the venting bore (22), said at least two ribs (34) being arranged in a region of the housing interior (9) at which the stationary housing (10) joins the one of the axle housings (20) having the venting bore (22) so as to prevent migration of the lubricating liquid out of the venting bore (22), at least one of the at least two ribs (34) being arranged in the housing interior (9) so as to extend from one of the differential supports (23) to an opposing wall of the stationary housing (10).

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