Aerostatic bearing
AssigneeSKF Kugellagerfabriken GmbH
InventorsHans R. Victor, Jurgen Schmidt
Life of this patent
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Abstract
An aerostatic bearing for the shaft of a spinning turbine of an open end spinning unit. The shaft is located in a cylindrically hollow housing to which gas under pressure is supplied to form a radial aerostatic bearing about the shaft. A permeable supporting sleeve is preferably interposed between the housing and the shaft. The shaft is provided with a radial duct and an axial bore opening only toward the rear end of the shaft. A supporting surface is fixed opposite the rear end of the shaft and is spaced therefrom so that the exhausting gaseous media impinges thereon and forms an axial bearing. Preferably, means are provided for resiliently biasing the shaft toward the supporting surface against the action of the axial aerostatic bearing. Such means are preferably magnetic.
Claims19
An aerostatic bearing for the spinning turbine of an open end spinning machine comprising a rotatable shaft secured at one end to said turbine, a cylindrically hollow housing surrounding said shaft, means for introducing a gaseous medium under pressure through said housing to form a radial aerostatic bearing about said shaft, said shaft having at least one radial duct and an axial bore communicating with said duct for exhaust of said gaseous medium, said bore being closed to said one end of said shaft and extending through said shaft to open at the other end, an abutment surface fixed with respect to said housing spaced from the other end of said shaft opposite to the opening of said bore to receive the gaseoue media exhausting therefrom and to produce an axial aerostatic bearing with the end of said shaft.
Dependencies are inferred from the claim text.