A bearing assembly having an inner race, an outer race, and a plurality of rollers positioned between the inner race and the outer race. A pad is attached to the inner race and a bed is attached to the outer race. A timing mechanism is slidably mounted to the pad and the bed. Preferably the pad and bed are made of plastic and the inner race is embedded within the pad and the outer race is embedded within the bed.

A method produces a connecting rod from a sintered material, which rod has at least one bore having a center axis, and has a first connecting rod eye in a connecting rod head, and a second connecting rod eye in a connecting rod foot, wherein the connecting rod head is connected with the connecting rod foot with a connecting rod shaft, wherein the bore is configured in the connecting rod shaft, wherein furthermore, the connecting rod is produced from a metallic powder, in accordance with a sintering process, for which purpose the powder is pressed into the corresponding mold to form a green compact, the bore is introduced into the green compact, and the green compact is afterward sintered. The bore is introduced into the green compact as a first and second partial bore, proceeding from the connecting rod foot and from the connecting rod head.

A bearing assembly for a gear pump that includes a bearing housing, a bearing, and a biasing member. The bearing housing has a housing bore that extends between a first housing end and a second housing end along a bearing axis. The bearing is disposed within the housing bore. The bearing has an outer diameter extending between a first bearing end and a second bearing end. The biasing member is disposed between the bearing and the bearing housing to apply a biasing load to the bearing.

A bush bearing having an outer lubricating layer, a manufacturing method therefor and a scroll compressor having same applied thereto, according to the present disclosure, includes a bush bearing comprising: a base member which has a cylindrical shape having no separated surfaces along the circumferential direction; and a lubricating member which is formed from a material having a lower rigidity and more excellent lubricity than the base member, and has a cylindrical shape having no separated surfaces along the circumferential direction by being integrally provided to the outer circumferential surface of the base member, wherein the cylindricity of the outer circumferential surface of the lubricating member satisfies a value that is within 0.6% of the average thickness of the lubricating member, and the lubricating member has carbon fiber contained in a resin base, wherein the carbon fiber has cut surfaces exposed on both ends of the lubricating member.

A slide member of the present invention is used in a slide unit which is included in a refrigerant compressor for compressing a refrigerant and provided inside a sealed container which reserves lubricating oil therein. The slide member is provided with an oxide coating film on a surface of a base material. The oxide coating film is configured such that (1) when the base material comprises an iron based material, the oxide coating film has a three-layer structure including a first layer comprising Fe.sub.2O.sub.3, a second layer comprising Fe.sub.3O.sub.4, and a third layer comprising FeO in this order from an outermost surface, (2) the oxide coating film has a dense structure having minute concave/convex portions with a height difference which falls within a range of 0.01 m to 0.1 m, or (3) when the base material comprises the iron based material, the oxide coating film has a three-layer structure in which the three layers comprise the iron oxides and are different in hardness.

A bearing attachment system for a pump product having a seal carrier and a cover plate. The attachment system is configured to produce a force deflection curve that provides a clamping force on a pair of tapered roller bearings such that a tight bearing endplay on the tapered roller bearings is maintained through a full range of manufacturing tolerances. The geometric shape of the cover plate and the top surface of the seal carrier provide the desired deflection characteristics.

The invention relates to a method for producing a rotor unit (10) of an electric motor, in particular a canned motor or the like, for driving a pump wheel of a pump and to a pump, the rotor unit being composed of a rotor (11), a shaft (12), a thrust washer (13) and sliding bearings (14, 15), the rotor being formed by a permanent magnet (22) or a shading coil, the rotor and the thrust washer being attached to the shaft, the shaft being rotatably mounted at one end (16) of the shaft and at the thrust washer by means of respective sliding bearings, the thrust washer being in contact with an axial lateral surface (21) of one of the sliding bearings (14), wherein the shaft is made from a fiber-reinforced polymer material.

A gear pump bearing block has a bush formed of antifriction alloys. The bush has a cylindrical portion providing a bore adapted to receive a bearing shaft of a gear of the pump. It further has a thrust face at the end of the cylindrical portion, the thrust face being adapted to slidingly engage with a side surface of the gear. The bush has an inner component providing the bore, and an outer component forming a radially outer surface of the cylindrical portion. The inner and outer components are formed of respective lead bronze alloys, the lead bronze alloy of the outer component having a higher lead content than the lead bronze alloy of the inner component.

A temperature prediction device includes an application voltage specifying unit which specifics a voltage value applied to an electromagnetic coil based on a distance from a distance detection unit provided in the electromagnetic coil to an output shaft, a coil current detection unit which detects a current value flowing when a voltage is applied to the electromagnetic coil on the basis of the voltage value specified by the application voltage specifying unit, and a coil temperature estimation unit which estimates a temperature of the electromagnetic coil on the basis of the voltage value specified by the application voltage specifying unit, the current value detected by the coil current detection unit, and a relational expression between the voltage value applied to the electromagnetic coil, the current value flowing when a voltage is applied to the electromagnet coil on the basis of the voltage value applied to the electromagnetic coil, and the temperature of the electromagnetic coil.

A rotary compressor includes a sealed longitudinal compressor housing which is provided with a discharge portion of a refrigerant at an upper portion thereof, is provided with an inlet portion of a refrigerant at a lower portion thereof, and in which lubricant oil is stored; a compressing unit which is disposed in the compressor housing, compresses a refrigerant sucked from the inlet portion and discharges the refrigerant from the discharge portion; a motor which is disposed in the compressor housing and drives the compressing unit via a rotation shaft; and an accumulator which is attached to a side portion of the compressor housing and is connected to the inlet portion of the refrigerant. When an inner diameter of a cylinder constituting the compressing unit is referred to as Dc, a height of the cylinder is referred to as Hc, and an eccentric amount of an eccentric portion of the rotation shaft is referred to as e, Dc, Hc, and e are set so that a value obtained by an expression (e+Hc).Math.(Dce).sup.1/3/(e.Math.Hc).sup.2/3 is less than 4.1.