A centrifugal separator is configured for processing a product by separating a relatively, heavy component and a relatively light component therefrom. The centrifugal separator includes a spindle supported by a stationary frame, A drive unit acts on a rotating member mounted on the spindle to rotate the spindle. A centrifuge rotor mounted to the spindle encloses a separation space. An upper bearing housing is mounted to the stationary frame and supports bearings including an outer bearing ring attached to the upper bearing housing and an inner bearing ring attached to the spindle. The upper bearing housing is mounted to the stationary frame via an elastic member permitting the upper bearing housing and the spindle to move radially, and via an upper tilting member permitting the spindle to tilt during operation of the centrifugal separator.

A rotary phase separator for a space environment includes a housing defining a separator chamber therein and a shaft located along a longitudinal axis of the rotary phase separator and inside the housing. Relative motion between the housing and the shaft about the longitudinal axis urging separation of gas and liquid from a two-phase liquid and gas fluid in the separator chamber. One or more magnetic bearing assemblies are supportive of the shaft relative to the housing.

A bearing member for supporting a rotatable axle includes a bearing housing; at least one bearing inserted into the bearing housing, wherein the bearing is configured to receive a rotatable shaft extending through the bearing; and a tilting member arranged around the bearing housing. The tilting member includes a pack of annular discs forming a through hole for receiving the bearing housing, wherein each of the annular discs includes a plurality of apertures extending through each of the discs and wherein the tilting member further includes a sleeve element provided in each of the apertures for holding the annular discs together as a stack and for receiving a fastener for attaching the tilting member to the bearing housing or said stationary machine element. The bearing member further includes at least one fastening element extending through a sleeve of the tilting member and attaching the tilting member to the bearing housing.

A rotary bearing with a damper having an inner bearing element configured for rotation around an axis of rotation, an outer bearing element coaxial with the inner bearing element, an inner damper element with an outer surface surrounding the outer bearing element, an outer damper element with an inner surface surrounding the inner damper element, at least one sealing element provided between the outer surface and the inner surface, the sealing element confining a damper space having a circumferential film space defined by a clearance between the outer surface and the inner surface. The damper space contains fluid and is a closed, isolated damper space.

In a method of greasing a decanter centrifuge, each beating of the decanter centrifuge is located in a bearing housing and at least one bearing housing has a grease flow meter. The grease flow meter is connected to a control unit. The method includes generating a greasing operation when the operating time of the decanter centrifuge is equal to or exceeds a specific time interval between greasing operations. The greasing operation includes generating a start signal in the control unit, measuring an amount of grease injected into the bearing housing by using the flow meter, and generating a stop signal in the control unit when the amount of grease injected into the bearing housing is equal to or exceeds a specific amount of grease to be injected at each greasing operation.

A rotary phase separator for a space environment includes a housing defining a separator chamber therein and a shaft located along a longitudinal axis of the rotary phase separator and inside the housing. Relative motion between the housing and the shaft about the longitudinal axis urging separation of gas and liquid from a two-phase liquid and gas fluid in the separator chamber. One or more magnetic bearing assemblies are supportive of the shaft relative to the housing.

A rolling bearing-cooling device for a bearing arrangement is provided. The bearing arrangement includes at least one rolling bearing for mounting a drum of a decanter centrifuge or solid bowl centrifuge. The rolling bearing-cooling device includes a lubricant supply line, a lubricant discharge line, a cooling air supply line, and a cooling air discharge line. The lubricant supply line is spaced from the cooling air supply line and is opposite the cooling air discharge line, and the cooling air supply line is opposite the lubricant discharge line with regard to the rolling bearing.

A centrifugal separator includes a frame and a drive member configured to rotate a rotating part in relation to the frame around an axis of rotation. The rotating part includes a centrifuge rotor enclosing a separation space. The centrifuge rotor is adjoined to a hollow spindle supported by the frame by at least one bearing device. The interior of the hollow spindle is in thermal contact with the at least one bearing device and further includes a thermal transfer medium inlet for supplying a thermal transfer medium to said interior and a thermal transfer medium outlet for withdrawing the thermal transfer medium from the interior; and directing mechanism for directing thermal transfer medium from the thermal transfer medium inlet to the thermal transfer medium outlet in a first direction along the length of the spindle and in a second direction along the length of the spindle. The second direction is opposite the first direction. The first or second direction is along the inner wall of the interior of the spindle, the inner wall being arranged to rotate during operation of the centrifugal separator.

A centrifugal separator for cleaning gas containing contaminants includes a stationary casing, enclosing a separation space through which a gas flow is permitted, a gas inlet extending through the stationary casing and permitting supply of the gas to be cleaned, a rotating member including a plurality of separation members arranged in the separation space and being arranged to rotate around an axis of rotation, the rotating member being journaled within the stationary casing via at least one bearing retained in a bearing holder. The centrifugal separator includes a gas outlet arranged in the stationary casing and configured to permit discharge of cleaned gas and including an outlet opening through a wall of the stationary casing, a drainage outlet arranged in the stationary casing and configured to permit discharge of liquid contaminants separated from the gas to be cleaned and a drive member for rotating the rotating member. The at least one bearing is mounted with an axial preload in the separator and the at least one bearing holder is flexible when dismounted from the separator and arranged in the separator with a pre-tension to provide the axial preload of the at least one bearing.

Rotary bell cup atomizing apparatus driven by a turbine mounted on a rotatable motor shaft supported within an air bearing assembly is provided. The air bearing assembly includes a cylindrical main air bearing supporting the motor shaft, a proximal, annular, disk-shaped thrust bearing and a distal, annular, disk-shaped thrust bearing supporting the turbine, and including vibration-damping O-rings positioned adjacent the bearings. In operation, air supplied to the apparatus drives the turbine and supports the turbine and motor shaft such that all rotating surfaces of the atomizing apparatus are supported in air, and universal, 3-dimensional vibration damping, both axial and radial, of all rotating components is provided.