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US 2009/0214147 A1Published application
Hydrodynamic Tapered Roller Bearings and Gas Turbine Engine Systems Involving Such Bearings
AssigneeUnited Technologies Corporation
InventorLoc Duong
Life of this patent
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Abstract
Tapered roller bearings and gas turbine engine systems involving such bearings are provided. In this regard, a representative bearing cage for a gas turbine engine includes: an outer cage rim and an inner cage rim; the outer cage rim having a rounded edge at a location of contact between the outer cage rim and a roller.
Claims20
A bearing cage for a tapered roller bearing having rollers, said bearing cage comprising:
- an outer cage rim and an inner cage rim;
- the outer cage rim having a rounded edge at a location of contact between the outer cage rim and a roller.
A bearing assembly comprising:
- a plurality of rollers, each of the rollers having an end;
- and
- a bearing cage operative to contain the plurality of rollers, the bearing cage having an outer cage rim, the outer cage rim having a rounded edge at a location of contact between the outer cage rim and first end of a first of the rollers.
A gas turbine engine comprising:
- a compressor;
- a shaft interconnected with the compressor;
- a turbine operative to drive the shaft;
- and
- a bearing assembly operative to support to the shaft, the bearing assembly having a plurality of rollers, a race and a bearing cage operative to contain the plurality of rollers, the bearing cage having a cage rim, the cage rim of the bearing cage being operative to direct load imparted via the rollers to the race.
2 more elements
Dependencies are inferred from the claim text.