US 12,247,663 B2
Lip seals and related methods
Miquel Balta, Irvine, CA (US)
Assigned to Bal Seal Engineering, LLC, Foothill Ranch (CA)
Filed by Bal Seal Engineering, LLC, Foothill Ranch, CA (US)
Filed on Sep. 5, 2023, as Appl. No. 18/461,411.
Application 18/461,411 is a continuation in part of application No. 18/202,215, filed on May 25, 2023, granted, now 11,940,049.
Application 18/202,215 is a continuation in part of application No. 18/088,040, filed on Dec. 23, 2022, granted, now 11,746,906, issued on Sep. 5, 2023.
Application 18/088,040 is a continuation in part of application No. 18/051,805, filed on Nov. 1, 2022.
Prior Publication US 2024/0141996 A1, May 2, 2024
Int. Cl. F16J 15/3232 (2016.01)
CPC F16J 15/3232 (2013.01) 55 Claims
OG exemplary drawing
 
1. A seal system comprising:
a cylinder having a body, an interior surface defining a bore, a first retaining end having a first retaining wall at a first end of the bore;
a first seal assembly located in the bore adjacent the first retaining wall, the first seal assembly comprising a first seal element, a first locking ring, and a first energizer; wherein the first seal element comprising a spring cavity formed by an inside flange, an outside flange, and a center channel section and wherein part of the spring cavity is shaped by the first locking ring;
a second seal assembly located in the bore and spaced further from the first retaining wall than the first seal assembly, the second seal assembly comprising a second seal element, a second locking ring, and a second energizer; wherein the second seal element comprising a spring cavity formed by an inside flange, an outside flange, and a center channel section and wherein part of the spring cavity is shaped by the second locking ring;
a first sealing washer comprising an outside perimeter and an inside perimeter defining an opening located between the first retaining wall and the first seal assembly; and
wherein the first locking ring and the second locking ring are located adjacent one another without any intervening structure therebetween.