US 12,378,839 B2
Asymmetric bearing ring
Tommy Eriksen, Voss (NO)
Assigned to TCO AS, Indre Arna (NO)
Filed by TCO AS, Indre Arna (NO)
Filed on Jun. 10, 2022, as Appl. No. 17/837,514.
Prior Publication US 2023/0400059 A1, Dec. 14, 2023
Int. Cl. E21B 33/12 (2006.01); E21B 23/01 (2006.01); E21B 33/134 (2006.01); E21B 34/06 (2006.01); F16J 15/02 (2006.01); F16J 15/06 (2006.01); F16J 15/10 (2006.01)
CPC E21B 33/1208 (2013.01) [E21B 23/01 (2013.01); E21B 33/12 (2013.01); E21B 33/134 (2013.01); E21B 34/063 (2013.01); F16J 15/022 (2013.01); F16J 15/06 (2013.01); F16J 15/104 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An asymmetric bearing ring (10) to support a frangible plug (20) comprising:
an annular ring with an inner surface (11) and an outer surface (14), wherein, when the annular ring is viewed from a cross section view, the inner surface (11) and the outer surface (14) are not parallel; and
an inner surface angle (12) and an outer surface angle (15), wherein:
the inner surface angle (12) is the angle between a first transverse plane (17A) of the asymmetric bearing ring (10) and the inner surface (11) with the smallest magnitude; and
the outer surface angle (15) is the angle between the first transverse plane (17A), or a second transverse plane (17B) parallel to the first transverse plane (17A), of the asymmetric bearing ring (10) and the outer surface (14) with the smallest magnitude;
wherein the inner surface angle (12) is not equal to the outer surface angle (15); and
the inner surface angle (12) and the outer surface angle (15) have the same sign.