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US 11,788,628 B2Granted
Face seal carrier arrester
AssigneeRtx Corporation
InventorsAndrew V. Schwendenmann, Armando Amador, Joseph B. Phelps, Sean McCutchan
Life of this patent
Estimating the term…
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 at a seal plate contact surface;
- 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 the seal arrester is configured to engage the seal carrier via contact with a seal carrier contact surface;
- and
- wherein the seal carrier contact surface is at a same axial location as the seal plate contact surface;
- wherein the seal arrester includes an arrester base and an arrester arm extending curvilinearly inwardly from the arrester base, the arrester arm configured to engage the seal carrier.
6 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 at a seal plate contact surface;
- 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 the seal arrester is configured to engage the seal carrier via contact with a seal carrier contact surface;
- and
- wherein the seal carrier contact surface is at a same axial location as the seal plate contact surface;
- wherein the seal arrester includes an arrester base and an arrester arm extending curvilinearly inwardly from the arrester base, the arrester arm configured to engage the seal carrier.
11 more elements
Dependencies are inferred from the claim text.