Skf Industrie Spa

Skf In{acute Over (d)}ustrie S.p.a.

Andreas Ruetter

Marco Brunetti

Luca Zavaglia

Michele Musso

Angelo Vignotto

Claudio Savarese

Dino Bellion

A bearing unit comprises a radially outer stationary race () and a pair of radially inner rotatable half-races (). An intermediate annular chamber () is defined between the outer race () and the inner half-races. The intermediate chamber communicates with the outside through first air passages () formed in the outer race and with the inside of the bearing unit through second radial air passages () defined between the inner half-races. The second passages () are defined by an intermediate annular member () which is axially interposed between the inner half-races () and forms one or more blade surfaces () extending from the second passage () to the intermediate chamber () for capturing air from the intermediate chamber and conveying it into the second passage.

Bearing unit for the hub of a vehicle wheel equipped with a tire inflating system

A bearing unit comprises a radially outer stationary race () and a pair of radially inner rotatable half-races (). Au intermediate annular chamber () is defined between the outer race () and the inner half-races () The intermediate chamber communicates with the outside through first air passages () formed in the outer race () and with the inside of the bearing unit through second radial air passages () defined between the inner half-races (). An intermediate annular member () is axially interposed between the inner half-races () and defines the second passages ().

A hollow suspension standard () of a vehicle equipped with a system for supplying pressurized air to a tire through the hub of the wheel has an inner cavity () and a seat () for housing a wheel hub bearing unit (). The standard () forms a first passage () for establishing fluid communication between the inner cavity () and the hub-bearing unit (), and a second passage () establishing fluid communication between the inner cavity () and a source of pressurized air mounted on board of the vehicle.

System for supplying pressurized air to a vehicle tire through the hub of the wheel

A bearing unit comprises an outer stationary race () with a first inner passage () for the air, and two axially adjacent inner half-races () rotatable with the hub of a wheel. Formed between the inner half-races are essentially radial second inner air passages (). These passages have surfaces () 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.

Sealing device () with a sensor for a rolling bearing (), in which the sealing shield () is mounted between two races of the rolling bearing (), and a encoder wheel () is arranged inside the rolling bearing () between the two races and the shield (); a detecting () sensor being arranged inside a housing () which is obtained through the shield () and which is also arranged with a respective detecting surface which directly faces the encoder wheel ().

Sealing device with a sensor adjacent an encoder wheel for a rolling bearing

Static sealing element ( ) for a rolling bearing ( ) which is mounted on a cylindrical element ( ) which presents a blocking moulding ( ) which is positioned against an inner race ( ) of the rolling bearing ( ) itself and which is suitable for being arranged in contact with a shoulder ( ) the sealing element ( ) presenting a support ( ) which is associated with the inner race ( ) of the rolling bearing ( ), and a sealing lip ( ), which forms an integral part of the support ( ) and which presents, in turn, a substantially conical end portion ( ), which axially projects in relation to the blocking moulding ( ) and which radially forks opposite the blocking moulding ( ) itself.

Growing community of inventors

Pinerolo, Italy

Andreas Ruetter