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US 8,523,733 B1Granted
Vehicle driveline differential with improved efficiency during vehicle cold starts
AssigneeFord Global Technologies, LLC
InventorRobert Scott Lippert
Life of this patent
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Abstract
The present disclosure relates to a vehicle driveline differential with improved efficiency during vehicle cold starts, the differential includes: a pinion; and a pinion bearing journaled onto a shaft of the pinion. The pinion bearing includes a thermal-insulation sleeve.
Claims16
A vehicle driveline differential with improved efficiency during vehicle cold starts, the differential comprising:
- a pinion;
- a pinion bearing journaled onto a shaft of the pinion;
- and
- a valve configured to impede flow from the pinion bearing;
- wherein the valve is composed of at least two metals;
- wherein the pinion bearing includes a thermal-insulation sleeve.
3 more elements
A vehicle with improved efficiency during vehicle cold starts, the vehicle comprising:
- a vehicle axle;
- a driveline differential positioned with respect to the axle;
- a pinion bearing assembly in the differential;
- and
- a valve configured to impede flow from the pinion bearing;
- wherein the valve is composed of at least two metals;
- wherein the pinion bearing assembly includes a pinion bearing to which a thermal-insulation sleeve is attached.
4 more elements
A method of manufacturing a vehicle driveline differential with improved efficiency during vehicle cold starts, the method comprising:
- attaching a thermal-insulation sleeve to a pinion bearing;
- incorporating a bi-metal valve in the driveline configured to impede flow from the pinion bearing;
- and
- journaling the pinion bearing onto a pinion shaft.
1 more element
Dependencies are inferred from the claim text.