F16C19/546

BEARING ASSEMBLY
20210156429 · 2021-05-27 ·

A bearing assembly includes at least two bearings each having an inner ring and outer ring, the inner rings being mounted on a shaft, and a balancing piston being disposed between the two bearings. The balancing piston includes a first part and a second part, the first and second parts each contacting the outer rings of the two bearings in an axial direction. The balancing piston further includes an inlet for directing a pressure fluid between the first and second parts to provide pressure to the first and second parts such that the balancing piston adjusts or exerts axial force on at least one of the two bearings. The balancing piston includes an outlet for directing the pressure fluid to lubricate at least one of the two bearings. Also, the outer diameter of the balancing piston is greater than the outer diameter of the outer rings of the two bearings.

Axle assembly

An axle assembly with a carrier housing, an input pinion and a ring gear. The input pinion includes pinion gear teeth and is supported for rotation about a first axis relative to the carrier housing via first and second bearings that are disposed along the first axis on opposite sides of the pinion gear teeth. The ring gear includes ring gear teeth that are meshed to the pinion gear teeth and a third bearing supports the ring gear for rotation about the second axis relative to the carrier housing. The third bearing is disposed along the second axis on a side of the ring gear that is opposite the first axis.

SCREW COMPRESSOR ELEMENT AND MACHINE

Screw compressor element provided with a housing wherein a rotor is rotatably arranged by way of two bearings, respectively being a cylinder bearing (3) and a ball bearing (4), each provided with an inner ring (5, 6) and an outer ring (7, 8), separated by respectively cylindrical, or ball-shaped rolling elements (9, 10) that contact the inner ring (5, 6) and the outer ring (7, 8) at the location of a raceway (11a, 11b, 12a, 12b), characterised in that, next to the respective raceway (11a, 12a), the inner rings (5, 6) of the aforementioned bearings (3, 4) have a smaller outer diameter (B) than the respective raceway (11a, 12a) on the side facing the other bearing (3, 4) and in that next; to the respective raceway (11a, 12a), the inner rings (5, 6) of the bearings have a greater outer diameter (C, D) than the respective raceway (11a, 11b) on the side facing away from the other bearing (3, 4).

Grease, antifriction bearing, antifriction bearing device, and information recording/reproducing device

A bearing grease includes a base oil and a thickener, and the base oil includes mineral oil and poly-α-olefin. The poly-α-olefin may be a blend of poly-α-olefin having a kinetic viscosity higher than that of the mineral oil and poly-α-olefin having a kinetic viscosity equal to or lower than that of the mineral oil, and the kinetic viscosity of the base oil at 40° C. is in a range of 40 through 90 mm.sup.2/s. The amount of the poly-α-olefin by mass in the base oil is greater than the amount of the mineral oil by mass in the base oil. The worked penetration of the grease is in a range of 200 through 250. The grease reduces flying grease and outgas and has superior low-temperature characteristics.

RIGID-FLEXIBLE COUPLING HIGH-ACCURACY GALVO SCANNING MOTOR AND CONTROL METHOD THEREOF

A rigid-flexible coupling high-accuracy galvo scanning motor comprises: a stator, a rotor rotating relative to the stator, bearing seats and at least two groups of encoders. The rigid-flexible coupling bearings are installed on the rotating shaft of the rotor; each of the rigid-flexible coupling bearings comprises: a rigid bearing and a flexible hinge ring which is elastically deformable, and the flexible hinge ring is fixed in an inner ring of the rigid bearing; the at least two groups of encoders comprise: a first group of encoders and a second group of encoders; the first group of encoders is used to measure a rotation angle of the rotating shaft; and the second group of encoders is used to measure a rotation angle of the inner ring of the rigid bearing. A friction dead zone is avoided through the elastic deformation of the flexible hinge ring, thereby reducing a disturbance bandwidth.

POWER STEERING ASSEMBLY HAVING A COMPENSATION MECHANISM

A bearing adjustment assembly includes a worm engaged with a worm gear. The assembly also includes a worm bearing located proximate an end of the worm. The assembly further includes a compensation mechanism engaging the worm bearing, the compensation mechanism being adjustable to bias the worm bearing to maintain or adjust a gear mesh load between the worm gear and the worm.

Two hybrid ball bearings and a compressor bearing arrangement
11009035 · 2021-05-18 · ·

Two hybrid ball bearings and a compressor bearing arrangement with two hybrid ball bearings for a rotatable support of a rotor of the compressor versus a stator of the compressor. The two hybrid ball bearings are arranged face-to-face or back-to-back, are configured with an optimal axial clearance depending on the inner diameter of a ring-shaped inner raceway element one of the hybrid ball bearings respectively a pitch diameter of one of the two hybrid ball bearings for a long bearing life in connection with an optimal compressor operating performance.

Axle assembly having a rotor bearing assembly
11001140 · 2021-05-11 · ·

An axle assembly having an electric motor module, a drive pinion, and at least one rotor bearing assembly. The electric motor module may have a rotor. The rotor and the drive pinion may be rotatable about a first axis. The first rotor bearing assembly may extend between the drive pinion and the rotor.

Wind turbine having drive train
10947958 · 2021-03-16 · ·

A wind turbine has a drive train that comprises a rotor shaft and a planetary gear train having a first gear stage, the rotor shaft being connected to the planet carrier of the first gear stage in a fixed and backlash-free manner. The rotor shaft is supported, on the side that faces away from the first gear stage, by a toroidal roller bearing, on a first carrying structure. The planet carrier that is connected to the rotor shaft in a fixed and backlash-free manner is supported by a moment bearing, as a fixed bearing. The outer ring of the moment bearing is connected to a housing. The combination of the outer ring of the moment bearing and the housing is connected to a second carrying structure via at least three elastic suspension elements arranged in an annular manner around the rotor axis.

Steering Gear and Method for Producing the Steering Gear
20210206423 · 2021-07-08 ·

A steering gear for a steering system of a motor vehicle includes a casing, a toothed gear, a pinion that meshes with the toothed gear, and a pinion shaft that comprises the pinion. The pinion shaft is mounted in a fixed bearing which comprises a rotary bearing in which the pinion shaft is received and which is received in a plastic bearing sleeve. The fixed bearing includes a pivot ring, which has outer and inner rings that are pivotably connected via one or more torsion webs. The torsion webs each extend through an opening in the bearing sleeve. The opening is defined by delimiting surfaces in which at least one of those delimiting surfaces is configured to prevent mechanical overloading of the plastic in the region of said delimiting surfaces as a result of contact with the torsion webs that are functionally deformed during the operation of the steering gear.