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US 11,454,324 B2Granted
Face seal carrier arrester
AssigneeRaytheon Technologies Corporation
InventorsAndrew V. Schwendenmann, Armando Amador, Joseph B. Phelps, Sean McCutchan
Life of this patent
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Abstract
A face seal assembly includes a seal carrier, a seal element supported by the seal carrier, a rotating seal plate interactive with the seal element to define a face seal, and a seal arrester configured to engage the seal carrier at a predetermined amount of wear of the seal element to stop wear of the seal element.
Claims18
A face seal assembly, comprising:
- a seal carrier;
- a seal element supported by the seal carrier;
- a rotating seal plate interactive with the seal element to define a face seal;
- and
- a seal arrester configured to engage the seal carrier at a predetermined amount of wear of the seal element to stop wear of the seal element;
- wherein contact of the seal arrester to the seal carrier completes an electrical circuit to initiate an alarm.
3 more elements
A gas turbine engine, comprising:
- a turbine;
- a rotating shaft driven by the turbine;
- a bearing assembly supportive of the shaft;
- and
- a face seal assembly configured to seal the bearing assembly, including:
- a seal carrier;
- a seal element supported by the seal carrier;
- a rotating seal plate interactive with the seal element to define a face seal;
- and
- a seal arrester configured to engage the seal carrier at a predetermined amount of wear of the seal element to stop wear of the seal element;
- wherein contact of the seal arrester to the seal carrier completes an electrical circuit to initiate an alarm.
8 more elements
Dependencies are inferred from the claim text.