Invention Grant
- Patent Title: Contamination exclusion for seal ring with conductive nonwoven fiber
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Application No.: US16711876Application Date: 2019-12-12
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Publication No.: US11359724B2Publication Date: 2022-06-14
- Inventor: Richard Wagner
- Applicant: Freudenberg-NOK General Partnership
- Applicant Address: US MI Plymouth
- Assignee: Freudenberg-NOK General Partnership
- Current Assignee: Freudenberg-NOK General Partnership
- Current Assignee Address: US MI Plymouth
- Agency: Harness, Dickey & Pierce, P.L.C.
- Main IPC: F16J15/3204
- IPC: F16J15/3204

Abstract:
A sealing assembly including a housing including a bore and a shaft rotatably disposed in the bore. A primary radial shaft seal is secured to the housing and includes a sealing lip engaging the shaft. A buffer seal made of an electrically conductive non-woven fabric which is arranged adjacent to the primary radial shaft seal and in contact with the housing and the shaft. A secondary contaminant exclusion seal is secured to the housing and includes at least one dust lip. The buffer seal is sandwiched between the primary radial shaft seal and the secondary contaminant exclusion seal.
Public/Granted literature
- US20210180698A1 CONTAMINATION EXCLUSION FOR SEAL RING WITH CONDUCTIVE NONWOVEN FIBER Public/Granted day:2021-06-17
Information query
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