In one aspect, a wheel hub oil seal including an annular seal having a central opening to receive a vehicle spindle. The annular seal has an oil side for being contacted by oil in the wheel hub and an air side of the annular seal opposite the oil side. The annular seal has a radially outer mounting portion configured to sealingly engage an interior surface of the wheel hub. The annular seal includes a sealing member having a contact portion configured to form a dynamic seal with a running surface. The contact portion of the sealing member has an underlip pressure profile configured to pump oil toward the oil side of the annular seal upon rotation of the radially outer mounting portion of the annular seal with the wheel hub around the vehicle spindle.
WHEEL HUB SEAL
2023-12-28
Patent
Electronic Resource
English