US 12,078,249 B2
Piston sealing ring assembly having a gap cover element
Jodie Prudhomme, San Francisco, CA (US); and Matt Svrcek, Redwood City, CA (US)
Assigned to Mainspring Energy, Inc., Menlo Park, CA (US)
Filed by Mainspring Energy, Inc., Menlo Park, CA (US)
Filed on Aug. 7, 2023, as Appl. No. 18/230,893.
Application 18/230,893 is a continuation of application No. 17/226,566, filed on Apr. 9, 2021, granted, now 11,767,915.
Application 17/226,566 is a continuation of application No. 16/100,017, filed on Aug. 9, 2018, granted, now 10,975,966, issued on Apr. 13, 2021.
Claims priority of provisional application 62/543,296, filed on Aug. 9, 2017.
Claims priority of provisional application 62/543,299, filed on Aug. 9, 2017.
Prior Publication US 2023/0375086 A1, Nov. 23, 2023
Int. Cl. F16J 9/06 (2006.01); F16J 9/10 (2006.01); F16J 9/18 (2006.01); F16J 9/26 (2006.01); F16J 15/56 (2006.01)
CPC F16J 9/06 (2013.01) [F16J 9/10 (2013.01); F16J 9/18 (2013.01); F16J 9/26 (2013.01); F16J 15/56 (2013.01)] 24 Claims
OG exemplary drawing
 
1. A sealing ring assembly comprising:
a sealing ring segment that extends axially from one side of the sealing ring assembly to an opposite side of the sealing ring assembly, the sealing ring segment comprising:
a first axial side that is wedge-shaped, and
a second axial side, opposite to the first axial side, that comprises a radially outer surface that is arc-shaped, wherein the first axial side is radially offset from the radially outer surface of the second axial side; and
a pair of additional ring segments, wherein:
each of the pair of additional ring segments comprise respective radially inward surfaces that interface with respective portions of a radially outward surface of the first axial side.