99results about "Bearing load relief" patented technology

The present invention relates to a shoe (10), in particular for a hydrodynamic bearing, said shoe (10) being characterized by providing a polymeric material part (1) and a support base (2) in metal material, said support base (2) providing coupling means (3; 6; 7); said polymeric part (1) being cast on said base (2), so as to also fill said coupling means (3; 6; 7) provided on said base (2), obtaining a firm coupling and a shape complementary to that of the base (2). The invention also relates to a process for manufacturing the shoe (10).

The invention relates to two hybrid ball bearings and to a compressor bearing arrangement having two hybrid ball bearings for the rotatable support of a rotor of a compressor to a stator of the compressor. The two hybrid ball bearings are arranged face-to-face or back-to-back and are configured to have an optimal axial play according to an inner diameter of an annular inner raceway element of one of the hybrid ball bearings and a pitch diameter of one of the two hybrid ball bearings, and the long bearing service life related to the optimal compressor operation performance is achieved.

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.

Ball joint, in particular for a motor vehicle, comprising a case (12), a ball stud (16) with a ball head (18), and a first and a second bearing shell (20, 22) for supporting the ball head (18), characterized in that In addition to the first and second bearing shells (20, 22), at least one further overload bearing surface (24) is provided.

The invention provides a roller bearing multi-section tangent arc convexity design method which comprises the following steps: S1, establishing a formula Y = Aln [1 / (1-0.975 (2X / L) 2)] based on a logarithmic curve convexity design principle, where A value is a convexity axial compression coefficient, L value is the total length of a horizontal axis corresponding to a logarithmic curve, X value is the coordinate value of the horizontal axis of the logarithmic curve, and Z value is the coordinate value of the horizontal axis of the logarithmic curve; the Y value is a longitudinal axis coordinate value of the logarithmic curve; s2, taking 1 / 2 of the total length L of the abscissa of the logarithmic curve as a unit, taking the total length Y of the ordinate as a unit, and performing nondimensionalization respectively; a dimensionless coordinate point (Xn, Yn) of the arc tangent point is defined, and Xn = 2Xi / L; yn = Yi / Ymax = ln [1 / (1-0.975 (2Xi / L) 2)] / 3.689; and S3, comprehensively considering the calculation precision in engineering and the machining convenience of the product, and selecting five sections, seven sections or any higher section of tangent arc convexity to machine the bearing surface profile of the roller bearing. By means of the method, the multiple sections of tangent arc type convexity can be efficiently machined in a high-precision mode, the convexity of the logarithmic curve contour can be approximated through the multiple sections of tangent arcs, and the purposes of accuracy and convenience are achieved.

The utility model provides a kind of self-lubricating linear guide rail, comprising: track frame, slider, multiple oil storage components, multiple pump pressure components and multiple positioning components, wherein, slider sliding installation is in track frame top end, multiple ball bearings are installed between slider inboard and track frame, multiple oil storage components are respectively arranged in the inboard of the four corners of slider, multiple pump pressure components are respectively arranged in the inside of the two sides of slider, one pump pressure component is respectively connected with two oil storage components, pump pressure component side is provided with sealing component, multiple positioning components are respectively installed in the two ends of track frame, and positioning component is compatible with sealing component.The self-lubricating linear guide rail of the utility model embodiment is mechanically linked with pump pressure system by manually adjustable positioning component, realizes the control single lubricating oil output according to load weight, effectively solves the problem of insufficient lubrication or over-lubrication caused by oil output fixed of traditional self-lubricating guide rail.

To provide a bearing device that is excellent in corrosion resistance to fluorine gas, and is also excellent in dimensional accuracy and durability.SOLUTION: A bearing device to be used in a fluorine gas environment is provided. The bearing device comprises: a magnetic bearing comprising a magnetic body and an electromagnetic coil; and a touchdown bearing for protecting the magnetic bearing, and comprising an inner ring, an outer ring, and a plurality of rolling bodies arranged between the inner ring and the outer ring. The inner ring and the outer ring of the touchdown bearing is made of a NiCrAl alloy.SELECTED DRAWING: Figure 1

A main bearing unit of a wind turbine drivetrain is provided, including a tapered roller bearing arranged between a housing of the main bearing unit and the low-speed shaft of the drivetrain; a press-fit connection between an inner surface of the housing and the outer surface of the bearing cup; and facilitating an axial displacement of the bearing cup to reinstate preload force on the bearing. A method of reinstating a preload force in a bearing of such a main bearing unit is further provided.

An integrated journal bearing (IJB) is disclosed that comprises a shaft extending in an axial direction; a housing through which the shaft extends in the axial direction, the housing surrounding the shaft in a radial direction; an active magnetic bearing (AMB) arranged within the housing and surrounding the shaft in the radial direction; at least a first fluid film journal bearing (JB) arranged within the housing and surrounding the shaft in the radial direction, the first JB being axially adjacent to the AMB such that first JB and the AMB do not share a common radial clearance; and a controller in signal communication with the AMB and configured to supply current thereto to operate the AMB by controlling a magnetic force generated thereby. Oil conduits are defined through the housing that are configured to feed and drain oil through both the AMB and first JB clearances.

A bearing system (20) for supporting a shaft (18), comprising: a bearing (30) including: an inner race (32b) about an axis (A), the inner race (32b) having an interior coupled to the shaft (18); rolling elements (34b) about the axis (A) and around the inner race (32b); and an outer race (38b) about the axis (A) and around the rolling elements (34b); a housing (50) having a cavity (52) defining an axial location (X) relative to the axis (A), the bearing (30) received by the cavity (52); a first axial loading structure (60) in the cavity (52) and operatively connected to the bearing (30); and a second axial loading structure (70) in the cavity (52) extending axially away from the axial location (X) in a first axial direction, the second loading structure (70) opposing movement of the bearing (30) relative to the axial location (X) in a second axial direction when the bearing (30) loads the second axial loading structure (70) in the second axial direction, the first and second axial loading structures operationally independent from one another.

A hybrid airfoil thrust bearing is provided for a shaft (602) including a thrust disc (603) that rotates with the shaft. The hybrid airfoil thrust bearing includes airfoil bearing components (610) and passive magnetic bearing components (630). The hybrid airfoil bearing components include a first top foil (611) immediately adjacent to a first side of the thrust disc and surrounding the shaft, first additional components (612), a second top foil (613) immediately adjacent to a second side of the thrust disc and surrounding the shaft and second additional components (614). The passive magnetic bearing components are integrated into the thrust disc and into the first and second additional components to remove a static load of the thrust disc on the first top foil and on the second top foil.

Apparatus for containing a flywheel comprising: a flywheel; a shaft; a bearing arrangement for supporting the shaft; and a housing for housing the flywheel, the shaft and the bearing arrangement; wherein the flywheel is mounted on the shaft, the shaft is mounted to the bearing arrangement, and the bearing arrangement is mounted to the housing; wherein the flywheel has a rim formed by a circumferential face of the flywheel, and a hub formed by a central region of the flywheel, the hub being wider, axially, than the rim such that a circumferential contact surface is formed by the hub that is coaxial with the rim; wherein the housing comprises an annular force transfer region that faces, and is concentric with, the contact surface; and wherein, in use, excessive radial movement of the flywheel results in the contact surface contacting the transfer region.

An electric motor system includes a drive shaft configured to rotationally drive a load, a bearingless motor and a radial magnetic bearing arranged side by side in an axial direction of the drive shaft, and a thrust magnetic bearing disposed between the bearingless motor and the radial magnetic bearing. A radial load on the drive shaft is supported in a non-contact manner by the bearingless motor and the radial magnetic bearing.

A bearing mount for mounting a bearing within a housing is disclosed. The bearing mount includes a plurality of biasing members spaced about a perimeter of the bearing mount to define a channel for receiving the bearing. Each biasing member includes a first end, a second end, and an intermediate portion intermediate the first and second ends. The first and second ends of each biasing member are configured to contact the housing at respective first and second points such that the intermediate portion is not supported by the housing between the first and second points, and the intermediate portion of each biasing member is configured to position the bearing within the channel. An electric motor including the bearing mount is also disclosed.

The invention relates to the technical field of mechanical equipment maintenance, in particular to a special tool for disassembling a bearing outer ring, which comprises a fixed seat, a pin, a screw rod, a sleeve and a nut, the screw rod is installed in the pin hole, the screw rod is arranged in the fixing base in a penetrating mode, the first inclined face is attached to the second inclined face, the fixing base is sleeved with the bearing outer ring, the screw rod is sleeved with the sleeve through the opening and the through hole, the opening end of the sleeve faces the bearing outer ring, the nut is in threaded connection with the screw rod, and the nut is located on one side of the through hole. And the screw rod drives the pin and the fixed seat to move outwards, so that the bearing outer ring is driven to move outwards and enter the sleeve. According to the novel tool special for disassembling the bearing outer ring, the sleeve serves as a support to evenly distribute force on the surface of the wall plate, the nut is rotated, and the screw drives the fixing base to disassemble the bearing outer ring at a constant speed through the pin.

The present invention discloses a permanent magnet synchronous motor, which relates to the technical field of motors. The permanent magnet synchronous motor includes a mounting seat, the upper surface of which is fixedly connected to a motor body, the output shaft of which is connected to a cooling shaft via a first coupling, the upper surface of which is fixedly connected to a bearing seat, the connecting shaft passes through the bearing seat and is rotatably connected to the bearing seat; the upper surface of the mounting seat is fixedly connected to a driver for the permanent magnet synchronous motor. The permanent magnet synchronous motor of the present invention is cooled by the cooling shaft, isolating the motor body from the connecting shaft, and has a better cooling and heat dissipation effect; and solves the problem that the wiring terminals on the existing driver have a poor fixing effect on the connected circuit, and are easily affected by external forces during use and fall off or loosen, affecting normal use.

Magnetically stabilized cardan shaft bearing system (60), comprising: a holder (70) with a bearing receiving zone (82) with an inner annular surface (84); an insulator (90) made of a flexible material, arranged in the bearing receiving zone (82), wherein the insulator (90) has an outer section (92) supported on the inner annular surface (84) and an inner section (94) connected to the outer section (92) via several web elements (96), wherein the inner section (94) includes an opening (98) with an annular surface section (100); a cardan shaft bearing (104) arranged in the bearing receiving zone (82) and supported by the insulator (90), wherein the cardan shaft bearing (104) is arranged in the opening (98) of the inner section (94), the cardan shaft bearing (104) comprising an outer race (106) supported by the annular surface section (100), an inner race (107), and a plurality of bearing elements (109) between the outer race (106) and the inner race (107), wherein the inner race (107) of the cardan shaft bearing (104) includes a passage (112) capable of receiving a cardan shaft (46) for a vehicle rotatably supported; and an electromagnet (120) which is mounted in the holder (70) and surrounds only a part of the cardan shaft bearing (104) and the insulator (90), wherein the electromagnet (120) is selectively activated to move the cardan shaft bearing (104) within the bearing receiving zone (82).

The invention relates to a fluid film bearing (2) for a rotor hub (3) of a wind turbine (1) comprising a first part (10) and a second part (11) rotatably coupled to each other about a longitudinal axis. According to the invention, the first part (10) comprises an annular first sliding surface (14) extending in the circumferential direction of said fluid film bearing (2) along the first part (10). In addition, the second part (11) comprises a support structure (18) and a first group of bearing pads (12, 13) coupled to the support structure (18) and having a bearing pad sliding surface (17) configured to slide on the first sliding surface (14). In addition, the support structure (18) comprises a plurality of openings (20) for replacing the bearing pads (12, 13).

An axial alignment system for a rotary electric machine rotor includes: at least one first fixing ring; at least one first permanent magnet ring; at least one second fixing ring; and at least one second permanent magnet ring.

Bearing carrier 2 supporting bearing 4 within a housing. The carrier has tubular body 12 to contain bearing 2, external flange 16 engaging the housing and internal lip 18 restricting axial movement of

A magnetic levitation peripheral system suitable for sustaining a peripheral support rotor by magnetic levitation; and comprising a rotating magnetic element suitable for rotating around the axial axis of the peripheral support rotor, a magnetic repulsion element suitable for maintaining the axial and radial movement of the rotor, a stabilizer element suitable for containing the radial movement of the system, and an axial flow generator suitable for power generation without the need for a transmission train; where the rotating magnetic element and the magnetic repulsion element have embedded permanent magnets arranged according to parallel planes and circular lines, in line with a pre-established arrangement, in such a way that between both elements, together with the stabilizing element, the necessary magnetic repulsion can be given to support the wind rotor of peripheral support in a stable manner.

The present invention discloses an anti-jamming linear guide rail, comprising a guide rail body, a slider being embedded in the top of the guide rail body for sliding movement; an anti-jamming mechanism, the anti-jamming mechanism comprising a rotating part and a moving part, the rotating part being arranged on the slider, and the moving part being arranged on the rotating part; and a fixing mechanism, which can conveniently remove the mounting block and the steel ball from the fixing frame through the rotation and transmission of a fixing motor, and then remove the buckle from the connecting piece, and then remove the clamp from the connecting piece, and then open the two mounting blocks to disengage the docking rod from the docking hole, and then after taking out the steel ball, a new steel ball can be replaced between the two mounting blocks, and then the mounting blocks can be restored to their original state, which can facilitate users in replacing and repairing the steel ball, and by rotating the connecting rod, the worm and the worm gear transmission, the fixed bidirectional threaded rod is rotated, the fixed block is moved to drive the fixed frame to move the moving ball away from the guide rail body, and the object stuck in the guide rail body can be removed, thus preventing the guide rail body from being stuck.

The invention relates to a drive device (2) for driving a watercraft, having a stator (4) and a rotor (8) which during operation rotates relative to the stator about a rotation axis (6) fixed in position in relation to the stator and is in the form of an internal rotor and at least during operation is supported on the stator in the axial direction by means of at least one first axial bearing device (10), wherein the first axial bearing device has at least one first rotor magnet device (18), which is arranged on the rotor and is designed to produce a rotor magnetic field, and at least one first stator magnet device (14), which is arranged on the stator and is designed to produce a first stator magnetic field, and is designed to form a first bearing force which acts on account of the first rotor magnetic field and the first stator magnetic field between the first rotor magnet device and the first stator magnet device and at least to some extent in the axial direction.