US 12,259,001 B2
Non-circular sliding surface
Maarten Ooms, Geel (BE); Koen Krieckemans, Noorderwijk (BE); Michel Goovaerts, Hulshout (BE); and Dennis Witter, Friedrichshafen (DE)
Assigned to ZF FRIEDRICHSHAFEN AG, Friedrichshafen (DE); and ZF WIND POWER ANTWERPEN N.V., Lommel (BE)
Appl. No. 18/245,726
Filed by ZF FRIEDRICHSHAFEN AG, Friedrichshafen (DE); and ZF Wind Power Antwerpen N.V., Lommel (BE)
PCT Filed Sep. 15, 2021, PCT No. PCT/EP2021/075262
§ 371(c)(1), (2) Date Mar. 17, 2023,
PCT Pub. No. WO2022/073730, PCT Pub. Date Apr. 14, 2022.
Claims priority of application No. 10 2020 212 572.4 (DE), filed on Oct. 6, 2020.
Prior Publication US 2023/0358274 A1, Nov. 9, 2023
Int. Cl. F16C 17/02 (2006.01); F16C 33/06 (2006.01); F16C 33/14 (2006.01); F16H 57/08 (2006.01)
CPC F16C 17/02 (2013.01) [F16C 33/06 (2013.01); F16C 33/14 (2013.01); F16C 2220/62 (2013.01); F16C 2361/61 (2013.01); F16H 2057/085 (2013.01)] 8 Claims
OG exemplary drawing
 
1. An inner sliding surface for a radial plain bearing, comprising:
four circle arcs in at least one cross section,
wherein a first arc and a second arc of the four circle arcs lie on different sides of a longitudinal sectional plane which intersects a third arc of the four circle arcs, a fourth arc of the four circle arcs and a common center point of the third arc and the fourth arc,
wherein the first arc and a center point of the first arc lie on different sides of the longitudinal sectional plane, and
wherein the second arc and a center point of the second arc lie on different sides of the longitudinal sectional plane.