Invention Grant
- Patent Title: Radial shaft seal with static and hydrodynamic sealing features
- Patent Title (中): 径向轴封具有静态和流体动力学密封功能
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Application No.: US13426450Application Date: 2012-03-21
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Publication No.: US09062774B2Publication Date: 2015-06-23
- Inventor: Brent R. Sedlar , David M. Toth
- Applicant: Brent R. Sedlar , David M. Toth
- Applicant Address: US MI Southfield
- Assignee: Federal-Mogul Corporation
- Current Assignee: Federal-Mogul Corporation
- Current Assignee Address: US MI Southfield
- Agency: Dickinson Wright, PLLC
- Agent Robert L. Stearns
- Main IPC: F16J15/32
- IPC: F16J15/32

Abstract:
A radial shaft seal configured for receipt in a housing and about a shaft to sealingly isolate an air-side of the shaft seal from an oil-side of the shaft seal is provided. The seal includes an annular mounting portion; an elastomeric seal body connected to the mounting portion, and a seal lip connected to the seal body. The seal lip has an annular inner sealing surface extending axially between an oil-side end and a free air-side end. The inner sealing surface has a first groove region and a circumferentially continuous annular static band. The first groove region is spaced axially from the static band and extends between the static band and the oil-side end to pump lubrication toward the oil-side of the seal. The static band prevents the lubrication from leaking from the oil-side to the air-side of the seal.
Public/Granted literature
- US20130249170A1 RADIAL SHAFT SEAL WITH STATIC AND HYDRODYNAMIC SEALING FEATURES Public/Granted day:2013-09-26
Information query
IPC分类: