US 12,305,139 B2
Sliding element comprising polymer overlay
Jonathan Fair, Warwickshire (GB); and Jennifer Harvey, Warwickshire (GB)
Assigned to Mahle International GmbH, (DE); and MAHLE ENGINE SYSTEMS UK LTD, (GB)
Appl. No. 17/633,956
Filed by Mahle International GmbH, Stuttgart (DE); and Mahle Engine Systems UK Ltd, Warwickshire (GB)
PCT Filed Aug. 4, 2020, PCT No. PCT/EP2020/071920
§ 371(c)(1), (2) Date Feb. 8, 2022,
PCT Pub. No. WO2021/028270, PCT Pub. Date Feb. 18, 2021.
Claims priority of application No. 1911428 (GB), filed on Aug. 9, 2019.
Prior Publication US 2022/0298447 A1, Sep. 22, 2022
Int. Cl. C10M 169/04 (2006.01); C10M 107/44 (2006.01); C10M 125/04 (2006.01); C10M 125/10 (2006.01); C10M 133/42 (2006.01); C10M 141/06 (2006.01); C10M 171/06 (2006.01); F16C 17/02 (2006.01); F16C 33/04 (2006.01); F16C 33/12 (2006.01); F16C 33/20 (2006.01); C10N 40/02 (2006.01); C10N 50/08 (2006.01)
CPC C10M 169/04 (2013.01) [C10M 107/44 (2013.01); C10M 125/04 (2013.01); C10M 125/10 (2013.01); C10M 133/42 (2013.01); C10M 141/06 (2013.01); C10M 171/06 (2013.01); F16C 17/022 (2013.01); F16C 33/046 (2013.01); F16C 33/124 (2013.01); F16C 33/201 (2013.01); F16C 33/206 (2013.01); C10M 2201/05 (2013.01); C10M 2201/062 (2013.01); C10M 2215/30 (2013.01); C10M 2217/0443 (2013.01); C10N 2040/02 (2013.01); C10N 2050/08 (2013.01); F16C 33/208 (2013.01); F16C 2223/42 (2013.01); F16C 2240/48 (2013.01); F16C 2240/60 (2013.01); F16C 2360/22 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A bearing material, comprising:
a polymer matrix of polyamide-imide polymer material;
melamine cyanurate particulate;
metal oxide particulate;
greater than 25 wt % metallic particulate dispersed within the polymer matrix, the metallic particulate comprising metal flakes with a D50 size of between about 5 μm and about 30 μm along a maximal dimension; and
a leveler in an amount of between 0.01 wt % and 0.1 wt %.