US 12,066,107 B2
Seal stack assembly
Mark W. Armitage, Madison, CT (US); and Douglas George, Trumbull, CT (US)
Assigned to SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION, Solon, OH (US)
Filed by SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION, Solon, OH (US)
Filed on Aug. 8, 2023, as Appl. No. 18/446,225.
Application 18/446,225 is a division of application No. 17/445,357, filed on Aug. 18, 2021, granted, now 11,761,540.
Claims priority of provisional application 63/067,407, filed on Aug. 19, 2020.
Prior Publication US 2023/0383843 A1, Nov. 30, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. F16J 15/32 (2016.01); F16J 15/3228 (2016.01); F16J 15/3236 (2016.01)
CPC F16J 15/3236 (2013.01) [F16J 15/3228 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A seal stack assembly, comprising:
a first support retainer having an asymmetrical shape with an inner diameter having a first axial length and an outer diameter having a second axial length, wherein the first axial length is longer than the second axial length;
a first lipseal; and
a first seal support system disposed between the first support retainer and the first lipseal, wherein the first seal support system comprises a first support ring and a second support ring, wherein the first support ring is disposed between the first support retainer and the second support ring, and wherein the second support ring is disposed between the first support ring and the first lipseal, and a second support retainer supports the first lipseal, wherein the second support retainer comprises an elongated finger portion supporting the first lipseal, wherein the inner diameter of first seal support system is contained within the first axial length.