On a facing surface (12a) of a pad (12) that faces a rotation shaft, an oil supply unit (24) is provided in an end region downstream of the rotation shaft in the rotation direction, and the oil supply unit (24) is formed along part of an isopleth of the pressure distribution on the facing surface (12a) generated by a lubricant being caught between the rotation shaft and the facing surface (12a), said part of the isopleth being downstream, in the rotation direction, of the pressure maximum of the pressure distribution.

A pivot (14) with a longitudinal axis (Y) for a bearing of a mechanical reduction gear, comprising a first annular part (14a) including an axial passage (17) and a second annular part (14b) mounted around the first annular part (14a), the first annular part (14a) delimiting with the second annular part (14b) a lubrication circuit at least one oil inlet (20) of which opens out inwards of the first annular part (14a) into the axial passage (17) and at least one oil outlet (28) of which opens radially outwards of the second annular part (14b).

A pivot (14) with a longitudinal axis (Y) for a bearing of a mechanical reduction gear, comprising a first annular part (14a) including an axial passage (17) and a second annular part (14b) mounted around the first annular part (14a), the first annular part (14a) delimiting with the second annular part (14b) a lubrication circuit at least one oil inlet (20) of which opens out inwards of the first annular part (14a) into the axial passage (17) and at least one oil outlet (28) of which opens radially outwards of the second annular part (14b).

The present invention provides a sliding member which enables further reduction of friction and improvement of seizure resistance without deteriorating wear resistance of a sliding surface. The sliding member includes a porous metal base material, and a resin material with which the porous metal base material is impregnated. The sliding member includes an exposed sliding surface. The sliding surface includes a top surface made of the resin material, and a bottom surface made of the porous metal base material. A height from the bottom surface to the top surface is 10 to 30 μm, and the resin material includes fluorine resin.

A method and an equipment permitting to optimally handle and support a roll made of at least an inert material and transfer the torque from a bearing to a roll or the other way around without damaging them, the roll and bearing being immersed in molten metal.

A method for operating a rotary vessel which monitors the position of the tire relative to the upper and lower thrust bearings and the temperature of the upper and lower thrust bearings and provides an output that alerts an operator when corrective action should be taken.

A fluid machine includes a rotating body, an operation body rotated integrally with the rotating body, a housing, hydrodynamic plain bearings rotatably supporting the rotating body relative to the housing, and a cooling passage arranged in the housing. The hydrodynamic plain bearings each include a resin coating layer at a portion that is opposed to the rotating body. The hydrodynamic plain bearings include at least one combination of hydrodynamic plain bearings. Each combination includes an upstream hydrodynamic plain bearing and a downstream hydrodynamic plain bearing located at different positions in a direction in which the fluid flows through the cooling passage. The coating layer of the upstream hydrodynamic plain bearing has a lower hardness than the coating layer of the downstream hydrodynamic plain bearing.

A bearing assembly for a turbo-engine with a bearing and parts of a bearing temperature detecting device. The bearing includes a main body having a thermoplastic bearing layer. A space is defined in the interior of the main body and of the thermoplastic bearing layer for accommodating parts of the bearing temperature detecting device. The space has a through hole having a first opening in the thermoplastic bearing layer and a second opening located in the main body. The parts include a temperature conducting element, a temperature sensor, and a securing fixture that attaches the temperature conducting element. The first opening of the through hole has a chamfer and the first end of temperature conducting element has a head which is correspondingly shaped to the chamfer in a form fitting manner. The center-axis of the temperature sensor extends transversely to the center-axis of the temperature conducting element.

Systems and methods related to hydrodynamic bearings for use in X-ray sources are provided. In one aspect, a hydrodynamic bearing system includes a sleeve assembly including a cross-member fluidically dividing a first interior cavity from a second interior cavity, a first shaft positioned in the first interior cavity, and a second shaft positioned in the second interior cavity. The hydrodynamic bearing system may further include a first journal bearing including a first fluid interface surrounding at least a portion of the first cantilever shaft and configured to support radial loads and a second journal bearing including a second fluid interface surrounding at least a portion of the second cantilever shaft and configured to support radial loads.

A tilting pad bearing including pads disposed around a rotating shaft so as to face an outer peripheral surface of the rotating shaft, liners each supporting an outside of the pad in a radial direction with an axis of the rotating shaft as a center, and pivots each supporting an outside of the liner in the radial direction with the axis as a center at a central position of the liner in an axial direction of the rotating shaft so as to allow the pad to be swingable, wherein a recessed portion recessed in a direction away from the pad is formed on a surface of the liner facing the pad or a surface of the pad facing the liner at least at the central position thereof in the axial direction of the rotating shaft.