US 12,392,375 B2
Sealing member for bearing housing
Bo Nørgaard Klerk, Copenhagen (DK); and Tomas Hecht Olsen, Klarup (DK)
Assigned to NGI A/S, Nørresundby (DK)
Appl. No. 17/791,882
Filed by NGI A/S, Nørresundby (DK)
PCT Filed Jan. 28, 2021, PCT No. PCT/EP2021/051939
§ 371(c)(1), (2) Date Jul. 8, 2022,
PCT Pub. No. WO2021/151985, PCT Pub. Date Aug. 5, 2021.
Claims priority of application No. PA 2020 00113 (DK), filed on Jan. 30, 2020; and application No. PA 2020 01451 (DK), filed on Dec. 22, 2020.
Prior Publication US 2023/0041821 A1, Feb. 9, 2023
Int. Cl. F16C 33/78 (2006.01)
CPC F16C 33/7806 (2013.01) [F16C 33/7886 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A seal formed as a sleeve (4, 40) comprising a circular front-end (41) provided with a front-end circular opening (45) and a circular back-end (42) provided with a back-end circular opening (46), and a circular opening (6, 49) going through the centre (43) of the circular front-end (41) and of the circular back-end (42), extending between the front-end circular opening (45) and the back-end circular opening (46), wherein the back-end (42) is connected to the front-end (41) by a spherical structure (44),
wherein the diameter of the circular opening (6, 49) increases from the front-end circular opening (45) to the back-end opening (46) and the front-end circular opening (45) is provided with a lip seal (47).
 
7. A bearing housing (1) comprising a bearing body (2) for holding a bearing (3); and a seal forming a shaft insertion (6, 49) extending between a front-end circular opening (45) and a back-end circular opening (46) for inserting a shaft into the bearing housing (1), the seal is formed with a spherical outer surface (4a) which is movable in contact with the bearing housing body (2) and the seal rests on the bearing (3) when installed in the bearing housing body (2), wherein the seal (4) provides a water tight sealing contact with the shaft,
wherein the bearing (3) is installed inside the bearing housing body (2) and the bearing (3) comprises an outer ring with a spherical outer surface,
and wherein the seal and the bearing (3) are capable of angular movement relative to the bearing housing.