A combined bearing for a turbomachine is disclosed. The combined bearing comprises in combination: a radial bearing member, a thrust bearing member and a bearing-fluid impeller of a bearing-fluid boosting pump in fluid communication with the thrust bearing member and the radial bearing member.

A multiphase pump for conveying a multiphase process fluid includes a pump housing, a rotor and a radial bearing. The rotor is arranged in the pump housing and is configured to rotate about an axial direction. The radial bearing has a support carrier and a support structure to support the rotor with respect to a radial direction. The rotor includes a pump shaft and an impeller fixedly mounted on the pump shaft to convey the process fluid from a pump inlet to a pump outlet. A squeeze film damper is provided to reduce vibrations of the rotor, the squeeze film damper arranged around the support structure of the radial bearing, and having an radially outer surface. A damping gap is arranged between the support structure of the radial bearing and the radially outer surface of the squeeze film damper. The damping gap is configured to receive a damping fluid.

Bearing members, such as journal bearings, and turbine assemblies for use in high speed, high horsepower applications (e.g., turbochargers, jet engines, internal combustion engines, blowers, steam turbines, compressors, and pumps) including a rotatable shaft, a compressor wheel coupled to the shaft (e.g., at one end), a turbine wheel spaced from the compressor wheel, the turbine wheel also being coupled to the shaft (e.g., at another end), and at least one bearing member having a superhard bearing surface.

A refrigeration apparatus includes a compressor connected to a refrigerant circuit, and a bearing monitor. The compressor includes a compression mechanism, an electric motor, a drive shaft, and a plain bearing that supports a journal portion of the drive shaft. The bearing monitor performs an abnormal-state operation to cope with poor lubrication on the plain bearing if an abnormal state condition is satisfied. The abnormal state condition is a condition indicating that a rate of change of current exceeds a first reference value. The rate of change of current is an amount of change in a driving current usable to drive the compressor per unit time. The journal portion of the drive shaft has a surface roughness of at least 0.05 μm.

A sealed bearing module for a tidal turbine that has a rotor having rotor blades disposed on a rotor hub and a rotor shaft carrying the rotor for transmitting a drive torque from the rotor hub to a transmission or a generator in a nacelle which nacelle has a housing. The bearing module includes a first bearing ring and a second bearing ring, the first bearing ring is a split bearing ring having a first bearing ring part and a second bearing ring part, the second bearing ring has at least one axially extending bore for attaching the second bearing ring directly to the nacelle housing, the first bearing ring is configured to be connected to the rotor shaft and/or to the rotor hub, and the split bearing ring is preloaded by a preload element.

A bearing providing a first ring assembly and a second ring assembly, the first ring assembly including at least a first ring and an outer cap reversibly fixed to first ring. The bearing further providing at least one sealing element mounted radially into a cylindrical surface of the first ring assembly and provided with a sealing lip in sliding frictional contact with the second ring assembly. The bearing including at least one adjusting shim mounted radially between the first and second ring assemblies, the adjusting shim being axially located between the outer cap of the first ring assembly and the sealing element; or between the first ring of the first ring assembly and the sealing element.

A cage is asymmetrical to a radially extending straight line extending. Supposing that is the angle of contact of the rolling element, is defined as 3045. The relationship defined in the numerical expression is satisfied, where D is the outer diameter of the outer ring, d is the inner diameter of the inner ring, and Da is the diameter of the rolling element. With center axes of the whole bearing in an axial direction and of the cage in the axial direction overlapping each other, at least one of the following relationships is satisfied;

A/Da0.020 (2), and

2A/PCD0.010 (3),

where A is the smallest dimension value of a clearance in a radial direction between surfaces of a pocket of the cage facing the rolling element and of this rolling element, and PCD is the pitch diameter of each rolling element.

A compressor having curved connecting rods, comprising cylinders (8), pistons (9), piston pins (10), curved connecting rods (11), a swing rod (12), a crank pin (13), a crankshaft (14) and the other components; when the compressor having curved connecting rods works, a power machine driving the crankshaft (14) to rotate, the rotation of the crankshaft (14) driving the crank pin (13) to push the swing rod (12) to swing left and right, and the movement, towards the left and right, of the swing rod (12) driving the curved connecting rods (11) and the pistons (9) to reciprocate within the cylinders (8) and perform work in a compression manner.

A bearing carrier is provided. The bearing carrier including: a bearing body of a first material having a shaft-receiving aperture and a bridge land with a finger cut to channel fluid pressurized by intermeshing of gears rotatably supported by the bearing carrier into an outlet defined by a housing enveloping the bearing carrier, wherein the bearing body includes a bearing face configured to be in a facing spaced relationship with the gears, wherein the bearing face includes a second material integral with the first material, wherein at least one of the first material and the second material define a portion of the bearing face of the bearing body extending about the shaft-receiving aperture, the portion of the bearing face excluding the bridgeland.

A support part supports a bearing pad from an outer circumferential side so as to be swingable at a pivot position. A radius of curvature of a rotary shaft is Rj, a radius of curvature of a pad surface is Rp, and a radius of curvature of a reference circle centered at an axial line and having a radius equal to a distance between a center and the pivot position on the pad surface is Rb, and a relationship of Rj<Rp<Rb is established.