US 11,788,628 B2
Face seal carrier arrester
Andrew V. Schwendenmann, Hampden, MA (US); Armando Amador, Wethersfield, CT (US); Joseph B. Phelps, Vernon, CT (US); and Sean McCutchan, Glastonbury, CT (US)
Assigned to RTX Corporation, Farmington, CT (US)
Filed by Raytheon Technologies Corporation, Farmington, CT (US)
Filed on Sep. 26, 2022, as Appl. No. 17/935,206.
Application 17/935,206 is a continuation of application No. 17/003,083, filed on Aug. 26, 2020, granted, now 11,454,324.
Prior Publication US 2023/0016992 A1, Jan. 19, 2023
Int. Cl. F16J 15/34 (2006.01); F01D 11/00 (2006.01); F01D 25/18 (2006.01)
CPC F16J 15/3468 (2013.01) [F01D 11/003 (2013.01); F01D 25/183 (2013.01); F16J 15/3452 (2013.01); F16J 15/3492 (2013.01); F05D 2240/55 (2013.01)] 18 Claims
OG exemplary drawing
 
1. 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.