Shaft bearing with a shaft seal
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United States of America Patent
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Jun 7, 2016
Grant Date -
Jan 7, 2016
app pub date -
Mar 12, 2014
filing date -
Apr 3, 2013
priority date (Note) -
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Abstract
A shaft bearing with a shaft seal, in particular for water pumps in motor vehicles, arranges a special radial shaft seal inside the outer bearing ring. The seal is made up of a stable rear wall arranged at a certain distance from the water-side of the shaft seal and fixed in the outer bearing ring, a secondary lip seal adjacent to a water-side of the rear wall, a support body solidly fixed in position in the outer bearing ring and adjacent to the secondary lip seal and a primary lip seal fixed in position adjacent to the support body on the water side, i.e. on the pressure side and opposite to the support body as well as opposite the outer bearing ring. Leakage openings are also arranged in the outer bearing ring, between the water-sided shaft seal of the shaft bearing and the rear wall which is arranged at a distance therefrom.
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