US 11,754,188 B2
Seal cartridge with electrically conductive non-woven grounding
D. Anthony Manley, Cleveland, GA (US); Darin Battles, Dahlonega, GA (US); and Christopher Beller, Dawsonville, GA (US)
Assigned to Freudenberg-NOK General Partnership, Plymouth, MI (US)
Filed by Freudenberg-NOK General Partnership, Plymouth, MI (US)
Filed on Oct. 29, 2021, as Appl. No. 17/514,986.
Prior Publication US 2023/0137020 A1, May 4, 2023
Int. Cl. F16J 15/3256 (2016.01); F16J 15/453 (2006.01)
CPC F16J 15/453 (2013.01) 2 Claims
OG exemplary drawing
 
1. A cassette seal arrangement for sealing between a shaft and a housing, comprising:
a sleeve configured to be mounted to the shaft and including a cylindrical portion and a radially extending portion extending radially outward from the cylindrical portion;
a retainer cartridge including a main retainer configured to be mounted to the housing and supporting a seal member that includes a main seal lip and an exclusionary retainer connected to the main retainer and supporting an exclusionary seal configured to engage the shaft;
an electrically conductive non-woven element disposed longitudinally between the seal member and the exclusionary seal and engaging the retainer cartridge and configured to engage the shaft;
the electrically conductive non-woven element is mounted on the radially extending portion of the sleeve;
the electrically conductive non-woven element engages with a cylindrical portion of the exclusionary retainer; and
the seal member having at least one dust lip that contacts the sleeve.