Bearing unit for the hub of a vehicle wheel equipped with a tire inflating system
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United States of America Patent
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May 24, 2005
Grant Date -
Dec 25, 2003
app pub date -
May 27, 2003
filing date -
May 31, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A bearing unit comprises an outer stationary race (1) with a first inner passage (6) for the air, and two axially adjacent inner half-races (2a, 2b) rotatable with the hub of a wheel. Formed between the inner half-races are essentially radial second inner air passages (7, 71, 72). These passages have surfaces (71d, 72d) inclined forwardly with respect to a direction of rotation (A, B) so as to favor the air flow through the rotating part of the bearing.
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