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US 2012/0073403 A1Published application
Variable Lubricant Level in a Differential Sump
AssigneeFord Global Technologies, LLC
InventorsAndreas E. Perakes, Jason C. Marcath, Shaun G. Knowles
Life of this patent
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Abstract
A system for lubricating a differential mechanism includes a housing containing a ring gear, a pinion meshing with the ring gear, a sump containing fluid, and a reservoir that receives fluid flung from the ring gear as the ring gear rotates through the sump fluid, and an orifice restricting the flow rate of fluid from the reservoir.
Claims19
A system for lubricating a differential, comprising:
- a housing containing a ring gear;
- a pinion meshing with the ring gear;
- a fluid sump;
- a reservoir that receives fluid flung from the ring gear as the ring gear rotates through the sump fluid;
- and
- an orifice restricting the flow rate of fluid from the reservoir.
3 more elements
A system for lubricating a differential, comprising:
- a housing containing a ring gear;
- a pinion meshing with the ring gear;
- a fluid sump;
- a reservoir at a higher elevation that the sump, partially separated from the ring gear by a wall;
- an orifice restricting the flow rate of fluid from the reservoir.
2 more elements
A system for lubricating a differential, comprising:
- a housing containing a ring gear;
- a pinion meshing with the ring gear;
- a fluid sump;
- a reservoir at a higher elevation that the sump, partially separated from the ring gear by a wall;
- an orifice restricting the flow rate of fluid from the reservoir. a bearing supporting the pinion and located to receive fluid exiting the orifice.
2 more elements
Dependencies are inferred from the claim text.