77results about "Shaft assembly" patented technology

Bearing arrangement (1), comprising a bearing journal (5) for rotationally fixed arrangement on a first housing part (3). The invention further relates to a side channel compressor (27) and a fuel cell system (2) with a bearing arrangement (1) according to the invention.

A bearing unit (30) has a central axis (X) of rotation and a retaining cage (40) for a plurality of rolling bodies (34) interposed between a radially outer ring (31) and a radially inner ring (33). The retaining cage (40) has a plurality of movable sectors (50) that are made of polymeric material, are identical to one another, and are arranged circumferentially adjacent to one another. Each movable sector (50) has at the ends a first engagement portion (51) and a second engagement portion (52) that are configured to define a dovetail joint between the first engagement portion (51) of a first movable sector (50′) and the second engagement portion (52) of a second movable sector (50″), circumferentially adjacent to the first movable sector (50′) to create a circumferential and radial constraint as well as a degree of axial freedom between the two movable sectors (50′, 50″).

The present invention provides a locking device for a rolling bearing comprising an inner ring, an outer ring and rolling elements between them, characterized in that the locking device comprises: an inner shoulder, wherein at least a portion of an inner surface of the inner shoulder is suitable for mounting on an outer surface of the rotating shaft and at least a portion of an outer surface of the inner shoulder defines a first contact surface; an outer shoulder, wherein at least a portion of an inner surface of the outer shoulder defines a second contact surface and at least a portion of the outer surface of the outer shoulder is suitable for contacting an inner surface of the inner ring;a bolt configured to lock the inner and outer shoulders in the axial direction such that the first and second contact surfaces are firmly in contact, and such that the inner shoulder can lock the rotating shaft and the outer shoulder can lock the inner ring of the rolling bearing. The present invention also provides a rolling bearing and a rotating shaft assembly comprising the locking device described above. The locking device has advantages such as simple assembly, no damage to the rotating shaft, a high degree of concentricity during assembly, and high locking force.

Non-recirculating rolling element bearing (100) in an overrunning cage configuration, comprising a guide (103), a motion stage (101) and a cage(102). The guide defines a direction of motion and comprises a first guiding surface (108) being essentially V-shaped. The first guiding surface comprises a first and a second rolling surface. The motion stage is arranged to move along the direction of motion between a first end (112) and a second end (113) of the guide. The motion stage comprises a second guiding surface (109) comprising a third and a fourth rolling surface arranged opposite to the first and second rolling surface, respectively. The cage is arranged to be partially interposed between the guide and the motion stage. The cage comprises a first (105), a second and a third (106, 107) set of rolling elements. The first set is arranged to roll on the first and third rolling surface. The second set is arranged to roll on the second and fourth rolling surface. The third set is arranged to roll on the first rolling surface. The guide and each rolling element of the third set are arranged to magnetically attract one another so as to bias the cage towards the guide. In a first state, in which the motion stage is moved towards the first end of the guide, a first rolling element of the third set is positioned between the second end of the guide and a first end (115) of the motion stage arranged nearest to the second end of the guide. In a second state, in which the motion stage is moved towards the second end of the guide, a second rolling element of the third set is positioned between the first end of the guide and a second end (114) of the motion stage nearest to the first end of the guide.

To provide various methods and systems for a liquid metal bearing assembly.SOLUTION: A liquid metal bearing assembly includes: a fill port fluidly coupled to a liquid metal reservoir of the liquid metal bearing assembly, the fill port including an inlet diameter and an outlet diameter, the outlet diameter smaller than the inlet diameter; and a pin formed to fit the inside of the fill port and prevent liquid metal from leaving the liquid metal reservoir via the fill port.SELECTED DRAWING: Figure 3

This invention relates to a support assembly and a wind power facility. The support assembly has a housing (40) and at least one bearing (18, 38). The bearing (18, 38) is secured in the housing (40) by an outer ring (52) and secured to a rotor shaft (16) by an inner ring (50). The support assembly is configured to adjust the axial force acting on the outer ring (52) to preload the bearing (18, 38).

This invention relates to the field of bearing riveting technology, specifically to a high-speed rail bearing cage installation and riveting equipment, including a base and a riveting system for assembling the bearing cage. The base is equipped with a fixing component for fixing the bearing outer ring. The fixing component includes a fixing seat and a sliding disc. The fixing seat is embedded in the base; the sliding disc is located inside the fixing seat, and a fixing arm is hinged to the sliding disc circumferentially. The top of each fixing arm contacts the top of the bearing outer ring; a sliding groove is formed in the middle of each fixing arm, and a locking rod that slides with the sliding groove is fixedly connected to the fixing seat circumferentially; both the fixing arm and the sliding groove are "<" shaped, and the fixing seat has an opening circumferentially for the movement of the fixing arm. This invention transforms linear motion into a circumferential fixing action through the sliding engagement of the fixing arm and the locking rod. Utilizing the specific shape design of the fixing arm and the sliding groove, the device can automatically adjust its clamping size according to the diameter of different bearing outer rings, thereby improving the applicability of the device.

Torque converter (10) which includes: a rotation axis (A); a stator assembly (26, 226) comprising a side plate (36, 236) with a first radial surface and a thickness (t); a turbine (20) containing a plurality of blades (79); an impeller (18) comprising a plurality of blades (81) and an impeller housing (16) with a second radial surface facing the first radial surface of the side plate (36, 236); a hydrodynamic thrust bearing (50, 250) arranged between the stator side plate (36, 236) and the impeller housing (16) and comprising: a pressure surface (52, 252) facing the first radial surface or the second radial surface, with a fluid channel in between; a bearing surface (54, 254) which is opposite the pressure surface (52, 252) and faces the other radial surface, the first radial surface or the second radial surface; an inner circumferential surface (56, 256) that defines an opening concentric to the axis of rotation (A); an outer circumferential surface (58, 258); and an axial retaining means (60) for attachment to the stator side plate (26, 236) or the impeller (18), comprising at least two elastic tongues (60), each tongue comprising: a bendable section (262); a lockable section (264); and an axial section (266) with a first width (w2) connecting the bendable section (262) and the lockable section (264), wherein the bendable section (264) also serves as a lockable section (264), and wherein the axial section (266) with a width (w2) connects the bendable section (264) to the radial surface (254).

The invention relates to a bearing assembly (1) having a bearing journal (5) for being arranged in a torsionally rigid manner on a first housing part (3). Furthermore, the invention relates to a side channel compressor (27) and a fuel cell system (2) having a bearing assembly (1) according to the invention.

A toolkit for mounting a bearing onto a seating includes an adapter sleeve radially interposable between the inner ring and the seating and having a tapered portion configured to mate with a tapered bore of the inner ring and a threaded portion configured to extend away from the bearing, a hydraulic nut having a threaded bore and an axially moveable piston, a hydraulic pump configured to increase a hydraulic pressure inside the hydraulic nut, a driving tube configured to be interposed axially between the side face of the inner ring of the bearing and the piston, and a reaction sleeve configured to be interposed between the hydraulic nut and the adapter sleeve and including a first threaded portion configured to engage the threaded portion of the adapter sleeve and a second threaded portion configured to engage the threaded bore of the hydraulic nut. Also a method of using the toolkit.

A bearing fitted to a motor shaft for an anti-corrosion function may ensure lower material costs and weight by adopting a smaller size compared to the prior art, and also ensure a significantly-reduced rotational frictional force, and be advantageous in terms of the noise, vibration, and harshness (NVH) of a vehicle as well by having a conductive seal formed in a brush type and in contact with an end cover and a rear cover in an axis direction.

The invention relates to a bearing arrangement for a rotor shaft (16) of a wind turbine (10). The bearing arrangement comprises a housing (40) and at least one bearing (18, 38). The bearing (18, 38) is attached to the housing (40) by an outer ring (52) and to the rotor shaft (16) by an inner ring (50). The bearing arrangement is designed to apply an axial force to the outer ring (52) in order to preload the bearing (18, 38). The invention also relates to a wind turbine (10).

Support assembly (1) having a central axis (X) and provided with: - a casing (10) made of composite material and having a radially internal mounting surface (11); - a bearing unit (30) housed inside the casing (10) and provided with a radially external ring (31) having a radially external, spherical, mounting surface (39); wherein - a metal insert (4) is interposed between the casing (10) and the bearing unit (30) and is housed inside the mounting surface (11) of the casing (10); and - the metal insert (4) is provided with a radially internal, spherical, mounting surface (41), inside which the bearing unit (30) is housed.

A universal load device (100) comprises an adapter ring (10), a core ring (20) and an additional ring (30), the sum of the weights of which is utilized to build the load required for a rotating apparatus (2) in application. Wherein the adapter ring (10) is used for reliably connecting a core ring (20) to a rotary part (21) of a rotary device (2), and the core ring (20) is used for carrying an additional ring (30). The adaptive ring (10), the core ring (20) and the additional ring (30) form respective individual ring series, and the individual ring series of the three can be combined to form a series of loads required by different applications. The three individual ring series can achieve the purpose of one machine with multiple purposes through few groups, the universal load device can replace a traditional load device with one machine with one purpose, and therefore the universal load device has the advantages of cost performance and practical value. In addition, the universal load device is easy to use, not only flexible in assembly, but also large in adjustment freedom degree.

An assembly of an insulator and a conductor in combination for a bearing arrangeable between a shaft and a housing and including an annular insulator arrangeable about an outer race of the bearing. The insulator is configured to prevent current flow between the outer race and the housing and includes one or more axial mounting tabs. An electrical conductor has a radially outer end, a radially inner end, and at least one retainer engageable with at least one of the mounting tabs to releasably couple the conductor with the insulator. Each of the retainers includes a radially extending prong engageable with a separate tab. The radially outer end of the conductor or / and a portion of the conductor between the outer end and the inner end is electrically engageable with the housing, and the radially inner end of the conductor is electrically engageable with the shaft to provide an electrically conductive path between the shaft and the housing.

Static sealing system (1) and associated rolling bearing (3), in particular for a vehicle wheel hub unit, for coupling a sealing device (2) to an outer ring (5) of the bearing, the mounting portion (15) of the sealing device comprising a sleeve portion (12) of an annular support (10) and an end portion (14) of an elastomeric sealing element (11) coupled to the sleeve portion and having a radially inner first annular boss (16) configured to be coupled in interference with an annular seat (18) of the outer ring; the end portion of the elastomeric element comprising a second annular boss (20) coupled to the annular seat adjacent to the first annular boss on a side axially opposite a curved end surface (22) of the annular seat and laterally flanked in the radial direction by a radially thinned end (24) of the sleeve portion of the annular support, the first annular boss protruding axially from said end.

A bearing device is configured to rotatably support a rotational shaft of a rotating machine and includes: a semi-floating bearing supported by a bearing housing; and an anti-rotation pin fixed to the bearing housing and having an insertion portion inserted from an outer peripheral side into an insertion hole formed on an outer surface of the semi-floating bearing. At least one of the insertion hole or the insertion portion has at least one protrusion that protrudes toward the other of the insertion hole or the insertion portion in a plan view perpendicular to an axis of the rotational shaft.

The connecting rod (10), in particular of a turbine rotor, extends along an axial extension axis (X-X') and comprises a connecting rod body (11) including a threaded portion and a connecting rod head (12) rotatably integral with the connecting rod body (11) and including a connecting shank (13) including an external thread (13a) cooperating with the threaded portion of the connecting rod body (11), the connecting rod (10) further comprising a system (20) for locking the relative rotation between the connecting rod head (12) and the connecting rod body (11). The locking system (20) further comprises a self-locking nut (23) mounted by screwing on the connecting shank (13) of the connecting rod head (12) and configured to block the relative rotation between the connecting rod body (11) and the connecting rod head (12), the self-locking nut (23) comprising a deformable portion configured to be plastically deformed in a radial direction between an initial configuration, in which the deformable portion has a circular cross-section, and a deformed configuration, in which the deformable portion has a non-circular cross-section and tightens the external thread (13a) of the connecting shank (13).

A ball joint assembly for control arm. The ball joint assembly has an upper portion with a ball socket and stud centered about a first centerline. A radial extension that is connected to the upper portion supports a mounting body with a second centerline and an outer diameter that fits within an aperture in the control arm. A threaded shaft depends from the mounting body and receives a nut to tighten against the control arm until the first centerline of the ball joint assembly is fixed in a desired position.

Static sealing system (1) and associated rolling bearing (3), in particular vehicle wheel hub unit (4), for coupling a sealing device (2) to an outer ring (5) of the bearing, wherein a fastening section (15) of the sealing device comprises a sleeve section (12) of an annular carrier (10) and an end section (14) of an elastomeric sealing element (11) which is coupled to the sleeve section (12) and is formed with a radially inner first annular projection (16) in order to be coupled with an interference fit with an annular seat (18) of the outer ring (5);wherein the end section (14) of the elastomeric element (11) comprises a second annular projection (20) which is coupled to the annular seat (18) on the axially opposite side of a curved end surface (22) of the annular seat (18) adjacent to the first annular projection (16) and is radially flanked on the outside by a radially narrowed end (24) of the sleeve section (12) of the annular support (10) from which the first annular projection (16) projects axially.

A bearing arrangement for a rotor shaft of a wind turbine, including a housing and at least one bearing. The at least one bearing is fastened in the housing with an outer ring. The at least one bearing is configured to be fastened to the rotor shaft with an inner ring. The bearing arrangement is formed to adjust an axial force acting on the outer ring in order to specify a preload of the at least one bearing.

A bearing assembly for power transmission includes a bearing outer ring, a bearing housing, and a retaining plunger. The bearing outer ring comprises a first surface and a second surface, the bearing outer ring structurally forming at least a first recess on the first surface. The bearing housing houses the bearing outer ring and forms a cavity. The retaining plunger with a spring is partially enclosed by the cavity. When the first recess and the retaining plunger misalign, the retaining plunger is compressed into the cavity by the first surface of the bearing outer ring.

A method of connecting one or more fittings to a composite tube includes induction heating the composite tube to its gel transition temperature, inserting a first fitting into a first end portion of the tube after the induction heating, and compressing the first end portion of the tube over the first fitting.

Formation of a face spline includes pressing a pressing die (39) against a staked portion (19a) according to first relative movement between the pressing die (39) and the staked portion (19a) around a reference axis (C), and pressing the pressing die (39) against the staked portion (19a) according to second relative movement between the pressing die (39) and the staked portion (19a) around the reference axis (C). A partial processing position on the staked portion (19a) is moved in a first circumferential direction in the first relative movement. A partial processing position on the staked portion (19a) is moved in a second circumferential direction opposite to the first circumferential direction in the second relative movement.

Linear guide having a profiled body extending along an axis of movement and a carriage which is mounted on the profiled body such that it can move linearly along the axis of movement and which has a rolling bearing unit, which bears with at least one rolling element against a guideway. The guideway has two guide rails which are arranged in a row along the axis of movement and which are each positively received on the profiled body in spatial directions aligned transversely to the axis of movement, in which mutually opposite end faces of the two guide rails delimit a joint region and in each case adjacent to the joint region between the respective guide rail and the profiled body a material connection region is formed, which extends at most over 10 percent of a total length of the respective guide rail along the axis of movement.

A mechanical control device includes a control cable coupled to a lever, and a coupling element secured to one end of the cable, the coupling element including two pivoting ends movably mounted respectively on two flanges of the lever about a pivot axis. The cable coupling end is interposed axially between the two pivoting ends of the coupling element. The coupling element incudes a radial protrusion for limiting axial movements of the coupling element between the flanges. The radial protrusion extends between the flanges and has an axial dimension greater than a diameter of the cable maintaining, during the axial movements of the coupling element between the flanges, a clearance between the cable and each of the lever flanges.

A bearing device including a metal constituent member bonded using a delayed ultraviolet curing epoxy-based adhesive, and the constituent member is a member including a dust generation prevention coating formed at a surface of the member or a member subjected to deformation processing. The bearing device holds a sleeve in a rotatable state relative to a shaft by ball bearings. Here, at least one of the shaft and the sleeve is coated with a metallic nickel coating. The metallic nickel coating is a dust generation prevention coating by electroless nickel plating. Alternatively, at least one of the shaft and the sleeve is made of a metal material suitable for deformation processing.

The invention relates to a bearing assembly having a shaft, a first bearing and a nut, wherein the nut has a thread which is screwed onto a threaded region configured on the shaft, wherein a bearing seat configured on the shaft adjoins the threaded region, wherein an inner ring of the first bearing contacts the bearing seat, wherein the nut contacts the inner ring of the first bearing, wherein the inner ring of the first bearing is arranged spaced apart from the threaded region of the shaft, wherein a relief region of the thread cut out in the threaded region of the shaft is arranged in a partial region of the bearing seat adjoining the threaded region.