A rolling element for use in a rolling-element bearing is proposed, including an outer casing and a bore hole. The bore hole is provided along a center line of the rolling element. The rolling element has at least one sensor arranged in the bore hole for load measurement and a radio module for transmitting the data measured by the sensor, wherein the rolling element has a micro-generator to provide the energy required for operation of the sensor and/or of the radio module.
F16C 19/36 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers
2.
Hybrid hydrostatic bearing assembly and wind turbine
A bearing assembly may include a first bearing ring, a second bearing ring, and at least one row of rolling elements having a plurality of rolling elements that are disposed so as to be capable of rolling on a first raceway of the first bearing ring and on a second raceway of the second bearing ring. At least one hydrostatically supported first sliding bearing segment may be disposed on the first bearing ring. Further, the hydrostatically supported first sliding bearing segment may interact with a first bearing face that is disposed on the second bearing ring. The hydrostatically supported first sliding bearing segment may be mounted so as to be movable in a movement direction that is perpendicular to the first bearing face.
F16C 17/03 - Sliding-contact bearings for exclusively rotary movement for radial load only with tiltably-supported segments, e.g. Michell bearings
F16C 17/06 - Sliding-contact bearings for exclusively rotary movement for axial load only with tiltably-supported segments, e.g. Michell bearings
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
F16C 21/00 - Combinations of sliding-contact bearings with ball or roller bearings, for exclusively rotary movement
F16C 32/06 - Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
A tapered roller bearing may comprise an inner ring, an outer ring, and two rows of tapered rollers that are arranged in an O-arrangement between the inner ring and the outer ring. The inner ring may extend in an axial direction over a greater length than the outer ring, and a gap between the inner ring and the outer ring on at least one side of the tapered roller bearing may be sealed by a sealing assembly. The sealing assembly may comprise a main seal that is attached to the inner ring in a rotationally fixed manner, as well as a seal race ring that is attached to the outer ring in a rotationally fixed manner. The seal race ring may form a seal raceway for the main seal.
F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
A wind turbine includes a rotor shaft. The rotor shaft is mounted via a bearing assembly having a first bearing ring and a second bearing ring mounted to rotate in relation to the first bearing ring. A hydrostatically supported first friction bearing segment is disposed on the first bearing ring and interacts with a first friction face that is disposed on the second bearing ring. The first friction bearing segment is received in a receptacle pocket of the first bearing ring such that a first compression chamber is formed between the first bearing ring and the first friction bearing segment. The first friction bearing segment is configured such that a second compression chamber is formed between the first friction bearing segment and the second bearing ring, wherein the first compression chamber and the second compression chamber are connected by a duct that runs through the first friction bearing segment.
F16C 32/06 - Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
F16C 19/50 - Other types of ball or roller bearings
F16C 21/00 - Combinations of sliding-contact bearings with ball or roller bearings, for exclusively rotary movement
A magnetic bearing having a first bearing ring and a second bearing ring arranged concentrically in relation to the first bearing ring. The first bearing ring and the second bearing ring are mounted so as to be rotatable with respect to each other about an axis of rotation by means of electromagnets. The first bearing ring has a first magnet row and a second magnet row. The magnet rows each include electromagnets arranged at a distance from one another in a circumferential direction of the first bearing ring. The electromagnets of the magnet rows are oriented such that they can each exert a magnetic force on the second bearing ring, which magnetic force is oriented transversely to the axis of rotation and transversely to a radial plane which is arranged perpendicularly to the axis of rotation.
H02K 7/09 - Structural association with bearings with magnetic bearings
6.
SYSTEM CONSISTING OF DIFFERENTLY DIMENSIONED TURBINES, IN PARTICULAR TURBINES FOR WIND TURBINES, WITH A WIDE RANGE OF TURBINE COMPONENT STANDARDIZATIONS
The invention relates to a turbine system having a plurality of turbines, in particular turbines for wind turbines. The plurality of turbines has a first turbine, which is the turbine of the plurality of turbines that has the highest load-bearing capacity, and the plurality of turbines has a second turbine which is the turbine of the plurality of turbines that has the lowest load-bearing capacity. The first turbine has first main turbine components, said first main turbine components being adapted to the load-bearing capacity of the first turbine, and the second turbine has second main turbine components. The invention is characterized in that the second main turbine components are adapted to the load-bearing capacity of the first turbine. The invention additionally relates to a bearing system consisting of bearing assemblies and to a method for designing a first bearing assembly and a second bearing assembly.
The present invention proposes an induction device for hardening a roller bearing component, on the circumference of which a plurality of differently oriented raceways are arranged in a sectional plane which runs parallel to the axial direction, wherein in order to simultaneously harden the differently oriented raceways, the induction device is adapted in its shape to a contour of the circumference in such a way that during the hardening an induction side, facing the roller bearing component, of the induction device extends essentially parallel to a plurality of differently oriented raceways.
The invention proposes a bearing arrangement having a first bearing ring and a second bearing ring, which is mounted for rotation in relation to the first bearing ring, wherein a plurality of hydrostatically supported sliding-bearing segments are arranged on the first bearing ring, wherein each sliding-bearing segment interacts with a first sliding surface arranged on the second bearing ring, wherein each sliding-bearing segment has a first sub-element and a second sub-element, wherein the first sub-element is accommodated in an accommodating pocket of the first bearing ring such that a first pressure space is formed between the first bearing ring and the first sub-element, wherein the first sub-element and the second sub-element are designed such that a second pressure space is formed between the first sub-element and the second sub-element, wherein the second sub-element and the second bearing ring are designed such that a third pressure space is formed between the second sub-element and the second bearing ring, wherein a first surface of the first sub-element interacts with a second surface of the second sub-element, wherein the first surface is curved convexly or concavely and the second surface is formed in a manner which complements the first surface.
F16C 17/03 - Sliding-contact bearings for exclusively rotary movement for radial load only with tiltably-supported segments, e.g. Michell bearings
F16C 17/06 - Sliding-contact bearings for exclusively rotary movement for axial load only with tiltably-supported segments, e.g. Michell bearings
F16C 32/06 - Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
A bearing or rolling bearing may comprise a stationary first bearing ring and a second bearing ring that is arranged in a rotatable manner about a longitudinal axis relative to the first bearing ring. The bearing may have a first sensor and a second sensor, which are contactless measuring sensors. The first sensor and the second sensor may each have a sensor surface. The first sensor may be positioned opposite an at least partly circumferential reference edge, and the second sensor may be positioned opposite a reference surface. The first sensor can measure a degree of overlap between the sensor surface of the first sensor and the reference edge. The second sensor can measure a distance, in particular a radial distance, between the sensor surface of the second sensor and the reference surface.
F16C 19/52 - Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
F16C 19/18 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
F16C 19/00 - Bearings with rolling contact, for exclusively rotary movement
10.
WIND TURBINE, ROTOR SYSTEM, AND METHOD FOR USING A WIND TURBINE
The invention relates to a wind turbine, comprising a rotor hub, a blade bearing and a rotor blade, characterized in that a conical rotor hub extension is arranged between the rotor hub and the blade bearing, the rotor hub extension having a first diameter on the side of the rotor hub extension facing the blade bearing and a second diameter on the side of the rotor hub extension facing the rotor hub, the first diameter being greater than the second diameter, the rotor blade being indirectly or directly connected to the blade bearing.
The invention relates to a wind turbine, comprising a rotor hub, a blade bearing and a rotor blade, characterized in that a cylindrical rotor hub extension is arranged between the rotor hub and the blade bearing, the rotor blade being connected indirectly or directly to the blade bearing, the blade bearing comprising a first blade bearing ring and a second blade bearing ring, the first blade bearing ring being formed as part of the rotor hub extension.
The invention relates to a bearing arrangement for a rotor shaft of a wind power plant, in which the rotor shaft transmits a rotation of a hub provided with rotor blades to a generator, wherein the bearing arrangement comprises a hub-side rolling bearing and a generator-side rolling bearing, wherein the hub-side rolling bearing bearing (3) is designed as a multi-row radial roller bearing, and the generator-side rolling bearing (4) is designed as a tapered roller bearing.
F16C 19/28 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly with two or more rows of rollers
F16C 19/36 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
The invention relates to a bearing arrangement for a rotor shaft of a wind power plant, wherein the rotor shaft transmits a rotation of a hub provided with rotor blades to a generator, wherein the bearing arrangement comprises a hub-side rolling bearing element (3) and a generator-side rolling bearing (4), wherein the hub-side rolling bearing is designed as a radial roller bearing and the generator-side rolling bearing is designed as a three-row roller rotary connection.
F16C 19/24 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
F16C 19/54 - Systems consisting of a plurality of bearings with rolling friction
The invention relates to a material for rolling bearing components, said material comprising steel with at least 0.4% carbon and at least 0.3% nickel admixed to it.
C21D 8/00 - Modifying the physical properties by deformation combined with, or followed by, heat treatment
C21D 9/36 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for ballsHeat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for rollers
C21D 9/38 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for roll bodies
C21D 9/40 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for ringsHeat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for bearing races
C21D 1/10 - Surface hardening by direct application of electrical or wave energySurface hardening by particle radiation by electric induction
C22C 38/02 - Ferrous alloys, e.g. steel alloys containing silicon
C22C 38/04 - Ferrous alloys, e.g. steel alloys containing manganese
C22C 38/06 - Ferrous alloys, e.g. steel alloys containing aluminium
C22C 38/08 - Ferrous alloys, e.g. steel alloys containing nickel
C22C 38/12 - Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium or niobium
C22C 38/44 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
C22C 38/46 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
C22C 38/48 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
A method for induction surface hardening includes, when in a feed mode, moving an induction coil of a hardening device over a ring surface of a work piece in a treatment direction, to heat the ring surface from an initial zone to a final zone. A sprayer, located downstream of the induction coil in the direction of treatment, is activated to apply quenching liquid to the heated ring surface to both cool and harden the ring surface. An unhardened soft zone is provided between the initial zone and the final zone. A supplementary induction coil, the induction coil and the sprinkler are respectively activated and deactivated separately at the start and end of the hardening, while the relative feed speed between the hardening device and the work piece, and/or the power supplied to each of the supplementary induction coil and the induction coil, are varied at the same time.
C21D 9/40 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for ringsHeat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for bearing races
C21D 1/10 - Surface hardening by direct application of electrical or wave energySurface hardening by particle radiation by electric induction
The invention relates to a bearing arrangement for mounting a rotor blade of a wind turbine, comprising a rolling bearing (1) for mounting the rotor blade such that it rotates about the longitudinal axis thereof and a hub (10) for transmitting a rotating movement of the rotor blade to a rotor shaft of the wind turbine, the rolling bearing (1) comprising a first bearing ring (2), a second bearing ring (3), and rolling bodies (4a, 4b, 5) arranged between the bearing rings (2, 3), the bearing rings (2, 3) being rotatable in relation to each other. The first bearing ring (2) comprises a journal (6) that extends radially towards the middle of the first bearing ring (2) and comprises two raceways (7, 8) for the first rolling bodies (4a, 4b) and one raceway (9) for the second rolling body (5), and the second bearing ring (3) comprises raceways (7', 8') for the first rolling bodies (4a, 4b) and a raceway (9') for the second rolling body (5), one of the bearing rings (2, 3) being connected to the hub (10) and the other of the bearing rings (3, 2) being connected to the rotor blade. The hub (10) has a circular connection region (11) for the connection of the rolling bearing (1). The aim of the invention is to provide a bearing arrangement for mounting a rotor blade of a wind turbine, which has a high rigidity against elastic deformations of the rotor bearing, allows a low weight of the blade bearing, easy assembly and low material costs and minimises the risk of false brinelling effects. To this end, one of the bearing rings (2, 3) in the connection region (11) is integrated into the hub (10) in such a way that the material of the hub (10) contributes to the bracing of the integrated bearing ring (2, 3) in the radial direction.
The invention relates to a tapered roller bearing comprising an inner ring (1), an outer ring (2) and two rows of tapered rollers (3), which are arranged in an O-shaped arrangement between the inner ring (1) and the outer ring (2), wherein the inner ring (1) extends in an axial direction (X) over a greater length than the outer ring (2), and wherein a gap between the inner ring (1) and outer ring (2) on at least one side of the tapered roller bearing is sealed by a sealing assembly. According to the invention, the sealing assembly comprises a main seal (4) rotationally fixed onto the inner ring (1), as well as a seal race ring (5) rotationally fixed onto the outer ring (2), wherein the seal race ring (5) forms a seal raceway (6) for the main seal (4).
F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
The invention relates to a rolling bearing arrangement (1) for a wind turbine (10), comprising an outer ring (2) and an inner ring (3) mounted inside the outer ring (2), at least in part. The outer ring (2) and the inner ring (3) are rotatable about an axis of rotation (4) relative to one another. Between the outer ring (2) and the inner ring (3), a first tapered roller bearing (5) having first tapered rollers (6) and a second tapered roller bearing (7) having second tapered rollers (8) is arranged. The invention is characterized in that in the unloaded state of the rolling bearing arrangement (1), the first tapered rollers (6) have a first logarithmic roller profile, and the second tapered rollers (8) have a second logarithmic roller profile that differs from the first logarithmic roller profile. The invention further relates to a wind turbine (10) having the rolling bearing arrangement (1).
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
F16C 33/36 - RollersNeedles with bearing-surfaces other than cylindrical, e.g. taperedRollersNeedles with grooves in the bearing surfaces
19.
HYBRID HYDROSTATIC BEARING ASSEMBLY AND WIND TURBINE
The invention relates to a bearing assembly, comprising a first bearing ring, a second bearing ring, and at least one rolling-element row having a plurality of rolling elements, which are arranged for rolling on a first raceway of the first bearing ring and on a second raceway of the second bearing ring, at least one hydrostatically supported first plain bearing segment being arranged on the first bearing ring, which plain bearing segment interacts with a first sliding surface arranged on the second bearing ring.
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
F16C 19/50 - Other types of ball or roller bearings
F16C 21/00 - Combinations of sliding-contact bearings with ball or roller bearings, for exclusively rotary movement
F16C 32/06 - Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
The invention relates to a bearing assembly, comprising a first bearing ring and a second bearing ring, which is mounted for rotation relative to the first bearing ring, at least one hydrostatically supported first plain bearing segment being arranged on the first bearing ring, which plain bearing segment interacts with a first sliding surface arranged on the second bearing ring, the first plain bearing segment being accommodated in a holding pocket of the first bearing ring in such a way that a first pressure space is formed between the first bearing ring and the first plain bearing segment and the first plain bearing segment being designed in such a way that a second pressure space is formed between the first plain bearing segment and the second bearing ring, the first pressure space and the second pressure space being connected by means of a channel extending through the first plain bearing segment.
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
F16C 19/50 - Other types of ball or roller bearings
F16C 21/00 - Combinations of sliding-contact bearings with ball or roller bearings, for exclusively rotary movement
F16C 32/06 - Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
21.
MAGNETIC BEARING AND METHOD FOR OPERATING A MAGNETIC BEARING
The present invention relates to a magnetic bearing (1) having a first bearing ring (2) and a second bearing ring (3), which is arranged concentrically in relation to the first bearing ring, wherein: the first bearing ring and the second bearing ring are mounted so as to be rotatable with respect to each other about an axis of rotation (D) by means of electromagnets (13, 14); the first bearing ring has a first row of magnets (11) and a second row of magnets (12); the rows of magnets each have electromagnets arranged at a distance from one another in a circumferential direction of the first bearing ring; the electromagnets of the rows of magnets are oriented such that they each can effect a magnetic force on the second bearing ring, which magnetic force is oriented transversely to the axis of rotation and transversely to a radial plane (R) arranged perpendicular to the axis of rotation. The invention also relates to a method for operating a magnetic bearing of this kind.
A method for producing a ring with a toothing may involve (a) ring rolling a pre-ring to form a ring blank, (b) introducing a pre-toothing into the ring blank to form a pre-toothed ring, wherein the pre-toothing has teeth with a first tooth height, (c) heating, quenching, and tempering the pre-toothed ring to form a heat-treated pre-toothed ring, and (d) finish-toothing the heat-treated pre-toothed ring to form a ring with a toothing. The toothing may have teeth with a second tooth height that is greater than the first tooth height. Further, the introducing of the pre-toothing or the finish-toothing of the heat-treated pre-toothed ring may be performed by way of a metal machining process.
B23P 15/14 - Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
B21H 1/06 - Making articles shaped as bodies of revolution rings of restricted axial length
B23P 13/04 - Making metal objects by operations essentially involving machining but not covered by a single other subclass involving slicing of profiled material
A magnetic bearing may include an inner ring and an outer ring arranged concentrically. The inner ring and the outer ring may be mounted rotatably relative to each other by way of axial and radial magnets. The magnetic bearing may also include a back-up bearing, which is integrated into at least one of the outer ring or the inner ring both in an axial direction and in a radial direction. The outer ring may be multipiece and may include a recess that opens inwards and receives the inner ring. Further, the back-up bearing may be made of aluminum, austenitic steel, bronze, or ceramic, and the back-up bearing may operate as a shielding device that shields magnetic fields emitted by the axial and radial magnets from one another.
The invention relates to a rolling bearing having a first ring element and a second ring element, wherein a sealing element fixed to the first ring element is provided to seal an internal space between the first ring element and the second ring element, wherein the rolling bearing is formed in such a way that, during the operation of the rolling bearing, the internal space can be pressurized with a compressed gas in order to press at least part of the sealing element against the second ring element in a sealing manner.
The invention relates to a rolling element (1) for use in a rolling-element bearing, comprising an outer shell (2) and a borehole (3), wherein the borehole is provided along a center axis of the rolling element, wherein the rolling element comprises at least one sensor (5) for load measurement, which is arranged in the borehole, and comprises a radio module for transferring the data measured by the sensor, wherein the rolling element comprises a microgenerator, wherein the microgenerator is provided for providing the energy required for the operation of the sensor and/or of the radio module.
The invention relates to a bearing, in particular a rolling bearing, comprising a stationary first bearing ring and a second bearing ring which is arranged in a rotatable manner about a longitudinal axis relative to the first bearing ring. The bearing has at least one first sensor and a second sensor, and the first sensor and the second sensor are sensors which take measurements contactlessly. The first sensor and the second sensor each has a sensor surface, wherein the first sensor is arranged opposite an at least partly circumferential reference edge, and the second sensor is arranged opposite a reference surface. The first sensor is provided for measuring the degree of overlap between the sensor surface and the reference edge, and the second sensor is provided for measuring the distance, in particular the radial distance, from the sensor surface to the reference surface.
F16C 19/52 - Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
F16C 19/18 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
The invention relates to a rolling bearing (1) which comprises an outer bearing ring (2), an inner bearing ring (3) arranged concentrically within the outer bearing ring, and a plurality of rolling bodies (4, 5) arranged between the outer and the inner bearing ring, wherein the rolling bearing further comprises a sealing ring (6) which is sealingly arranged between the outer bearing ring and the inner bearing ring, and wherein the rolling bearing has an additional ring (7) with at least one stripping element (8).
The invention relates to a method for hardening a rolling-element raceway (1) of a rolling-element bearing ring (2), wherein in the first step the rolling-element bearing ring (2) having a rolling-element raceway (1) is provided, wherein in a second step a surface layer of the rolling-element bearing ring (2) is hardened in the region of the rolling-element raceway (1) by supplying heat, and wherein in a third step, which is performed after the second step, the course of the internal stress in the region of the hardened surface layer is changed.
C23C 8/00 - Solid state diffusion of only non-metal elements into metallic material surfacesChemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
The invention relates to a rolling bearing comprising an inner ring (4) and an outer ring (5) that can be rotated about an axis of rotation in relation to the inner ring, or an outer ring and an inner ring that can be rotated about an axis of rotation in relation to the outer ring, in addition to at least one sealing element (6) arranged between the inner ring and the outer ring, for sealing an inner space (7) of the rolling bearing, which can be filled with lubricant, the rolling bearing comprising a conveyor element (9) for conveying the lubricant, which is arranged on one of the inner ring or outer ring such that it can rotate about the axis of rotation of the rolling bearing, in such a way that there is play between the conveyor element and the other of the inner ring or outer ring.
The invention relates to a roller bearing assembly (1) for a wind turbine, in particular for a blade bearing, having an inner ring (11) and an outer ring (12) which can be rotated about a rotational axis (D) relative to the inner ring (11). The roller bearing assembly (1) has a first cross roller bearing (10') and a second cross roller bearing (10"), and both the first cross roller bearing (10') and the second cross roller bearing (10") have cross rollers (2) arranged between the inner ring (11) and the outer ring (12) such that the rotational axis of at least one axially oriented cross roller (2) runs parallel to the rotational axis (D), and the rotational axis of at least one radially oriented cross roller (2) runs perpendicularly to the rotational axis (D).
F16C 19/36 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
The present invention relates to a method for producing a ring with a toothing, which comprises the following method steps: (a) ring rolling a pre-ring to form a ring blank, (b) introducing a pre-toothing into the ring blank to form a pre-toothed ring, wherein the pre-toothing has teeth with a first tooth height, (c) heat-treating the pre-toothed ring to form a heat-treated pre-toothed ring and (d) finish-toothing the heat-treated pre-toothed ring to form a ring with a toothing, wherein the toothing has teeth with a second tooth height, which is greater than the first tooth height.
B21H 1/06 - Making articles shaped as bodies of revolution rings of restricted axial length
B23P 15/14 - Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
B23F 15/00 - Methods or machines for making gear wheels of special kinds, not covered by groups
B23F 17/00 - Special methods or machines for making gear teeth, not covered by groups
The invention relates to a magnetic bearing, which has an inner ring and an outer ring arranged concentric to the inner ring, wherein the inner ring and the outer ring are supported rotatably in relation to each other by means of axial and radial magnets, characterized in that the magnetic bearing has a back-up bearing, which is integrated into the outer ring and/or the inner ring both in an axial direction and in a radial direction.
Disclosed is an axial-radial rolling bearing having an inner ring, an outer ring disposed around the inner ring, and a plurality of rolling bodies in the form of rollers arranged into at least one row disposed between and separating the inner ring and the outer ring. The rolling bearing further includes at least one rolling bearing cage disposed around at least part of the rollers and configured to maintain a predetermined spacing of each of the rollers from each adjacent roller in the at least one row, wherein the rolling bearing cage comprises a plastic coated main body that is at least one of ring-shaped or segmented. The main body has openings for receiving the respective rolling elements.
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
B05D 3/02 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
F16C 33/51 - Cages for rollers or needles formed of unconnected members
34.
ROLLING BEARING CAGE, ROLLING BEARING AND METHOD FOR PRODUCING A ROLLING BEARING CAGE
The present invention relates to a rolling bearing cage for a roller bearing, wherein the rolling bearing cage comprises a base body, the base body being at least partially covered with a sliding element, and the sliding element being at least partially covered with a further sliding element.
The invention concerns a method for inspection of rolling elements (W) by means of ultrasound, wherein the rolling elements (W) are taken individually to an ultrasound measuring device (4), wherein the rolling elements (W) are moved in the ultrasound measuring device (4) and subjected to an ultrasound measurement and wherein depending on a result of the ultrasound measurement the individual rolling elements (W) are classified as defective or nondefective. The subject matter of the invention is also a rolling element inspection layout for performance of the method, having at least one ultrasound measuring device (4) with a holder for the individual rolling elements (W), at least one ultrasound head (10) and a drive unit for the movement of the individual rolling elements (W).
G01N 29/22 - Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic wavesVisualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object Details
G01N 29/28 - Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic wavesVisualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object Details providing acoustic coupling
36.
Method for induction surface hardening of a ring surface
The invention relates to a method for the induction surface hardening of a ring surface of a workpiece, the ring surface and a hardening device having an induction coil being moved relative to one another in a treatment direction in a feed mode. A sprinkler is located downstream of the induction coil when seen in the direction of treatment and serves to heat the ring surface, starting from an initial zone to a final zone, by means of the induction coil and then to harden it by cooling the ring surface by means of the sprinkler, an unhardened soft zone being provided between the initial zone and the end zone. According to the invention, the supplementary induction coil, the induction coil and the sprinkler are activated and deactivated separately from one another at the start of the hardening process and at the end of the hardening process, respectively, the speed between the hardening device and the workpiece and/or the power supplied to the supplementary induction coil and the induction coil being varied at the same time.
C21D 9/40 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for ringsHeat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for bearing races
C21D 1/10 - Surface hardening by direct application of electrical or wave energySurface hardening by particle radiation by electric induction
The present invention relates to a planar inductor for progressive case hardening, comprising a carrier and an induction coil, which is accommodated by the carrier and exposed on a first side of the carrier and which is in the form of a conductor loop. According to the invention, the inductor comprises two spacing elements, which are space apart from one another and inserted into the carrier and which protrude from the carrier and beyond the conductor loop on the first side. The invention further relates to a preferred method for producing the planar inductor.
H01F 41/04 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets for manufacturing coils
Disclosed is a cylindrical roller bearing for absorbing axial and radial forces. The roller bearing includes a first bearing ring and a second bearing ring, which are arranged concentrically about an axis of rotation extending in an axial direction. The second bearing ring has a groove, which is open in a radial direction and in which a projection of the first bearing ring engages. The roller bearing further includes a first radial bearing row and two axial bearing rows spaced in the axial direction that are arranged between the projection and the groove, wherein the first radial bearing row supports the first bearing ring against the second bearing ring in a first radial direction. The roller bearing also includes a second radial bearing row that supports the first bearing ring against the second bearing ring in a second radial direction that is opposite to the first radial direction. The first bearing ring is divided in the axial direction into at least one first ring part having the projection and one second ring part, wherein the second radial bearing row is arranged between the second ring part and the second bearing ring at an axial distance from the projection.
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
F16C 33/66 - Special parts or details in view of lubrication
F16C 19/56 - Systems consisting of a plurality of bearings with rolling friction in which the rolling bodies of one bearing differ in diameter from those of another
39.
METHOD FOR POST-PROCESSING A LARGE TOOTHING AND INDEXABLE CUTTING INSERT FOR POST-PROCESSING A LARGE TOOTHING
The present invention relates to a method for post-processing a large toothing, wherein, in a first method step, a large toothing is provided from a material, and, in a second method step, the large toothing is machined by cutting for post-processing of the large toothing with an indexable cutting insert. According to the invention, a cutting material containing an ultra-fine grain hard metal is used for the indexable cutting insert.
Proposed is a rolling bearing arrangement (1) for a wind turbine, said arrangement having an outer ring (2) and an inner ring (3) that can rotate relative to the outer ring about an axis of rotation (24), a first tapered roller bearing (4) that has first rolling elements (5) and a second tapered roller bearing (6) that has second rolling elements (7) being provided between the outer ring and the inner ring, the rotational axes (12, 13) of the first and second rolling elements each being inclined relative to the axis of rotation, and the first and the second tapered roller bearings being asymmetrical.
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
F16C 19/50 - Other types of ball or roller bearings
A roller bearing having rolling elements and a molded part provided between two rolling elements, the molded part at least partially surrounding changing portions of rolling surfaces of two adjacent rolling elements in constant sliding contact, and the molded part being designed to deposit a lubricant and/or to make lubricant available to the rolling elements in a metered manner during friction with their changing portions of rolling surfaces.
The invention relates to a roller-bearing arrangement, particularly a large-diameter roller-bearing arrangement for a wind turbine, comprising an outer ring and an inner ring that can be rotated about a rotational axis, relative to said outer ring, said roller-bearing arrangement comprising a first raceway in which a plurality of first roller elements are arranged and which is designed between a first ring extension of the outer ring and a second ring extension of the inner ring, said second ring extension engaging behind the first ring extension in a radial direction relative to the rotational axis.
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
F16C 19/50 - Other types of ball or roller bearings
F16C 19/54 - Systems consisting of a plurality of bearings with rolling friction
An anti-friction bearing having a first race and a second race arranged concentrically within the first race, wherein the first race has a first raceway and the second race has a second raceway facing the first raceway, wherein a plurality of anti-friction elements is arranged between the first raceway and the second raceway, wherein the each anti-friction element has cylindrical or truncated cone shaped rolling elements, and wherein the anti-friction elements each comprise a separate wear protection element which is arranged on a front face of the rolling element facing the first raceway.
The invention relates to a system for localized heating when hardening a workpiece, said system comprising an inductor for partially heating the workpiece and a lateral cooling device for limiting the heat spreading in the workpiece as a result of the inductor action, the lateral cooling device being disposed directly on the inductor and being securable in the position thereof.
The invention relates to a method for treating the surface of a rotary bearing having a first and a second bearing half (5, 6) which can be rotated with respect to each other, wherein a protective seal arrangement separates a gap (4) from a surface (8) to be processed. Following a surface treatment, a first seal part (1) having a first sealing lip (7a) is separated off, by which means, in the gap, a second seal part (2) having a second, a third and preferably a fourth sealing lip (7b, 7c, 7d) is exposed. The processing limit previously formed at the first sealing lip is then re-worked. The subject matter of the invention is also the protective seal arrangement for carrying out said method.
F16C 17/04 - Sliding-contact bearings for exclusively rotary movement for axial load only
F16C 19/10 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for axial load mainly
F16C 19/30 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for axial load mainly
F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
46.
STACKING AID FOR RINGS OF DIFFERENT DIAMETERS, AND METHOD FOR STACKING LARGE-DIAMETER-ANTIFRICTION-BEARING RINGS
The invention relates to a stacking aid for rings of different diameters, having a base plate (1) extending in a longitudinal direction, having a first stop plate (2), which projects from a first side of the base plate (1), and having a second stop plate (3), which projects from a second side of the base plate (1), said second side being located opposite the first side, wherein the base plate (1), along with the first stop plate (2), forms a first abutment angle (4) for a first ring and the base plate (1), along with the second stop plate (3), forms a second abutment angle (5) for a second ring, and wherein the abutment angles (4, 5) are arranged diagonally opposite one another on the base plate (1). The invention also relates to a method for stacking large-diameter-antifriction-bearing rings with the aid of a plurality of the abovedescribed stacking aids.
The invention relates to a method for coating a metal part, in particular a large rolling bearing or large rolling bearing ring (1), provided with at least one hole (2), in particular a fastening hole, wherein a metallic plug (3) is inserted into the hole (2), wherein an exposed end face (4) of the plug (3) and a face of the metal part which adjoins the hole (2) are provided with a coating (5), wherein the plug (3) is removed from the hole (2) and wherein the end face (4) of the plug (3) which is provided with the coating (5) is subjected to quality testing which is routinely not non-destructive.
The invention relates to a process for producing a rolling bearing cage, in particular for large rolling bearings, wherein a steel strip with openings for in each case one rolling body is provided and bent to form a ring, wherein, for thermal coating with a thermoplastic powder, the ring is then heated to a temperature above a minimum coating temperature, wherein the ring is then dipped into a fluidized bed comprising the thermoplastic powder, wherein, during the residence time of the ring in the fluidized bed, plastic powder adheres to the ring, melts and forms a continuous coating, and wherein the ring is removed from the fluidized bed after the coating. The invention also relates to an apparatus for carrying out the process.
F16C 19/06 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row of balls
49.
METHOD AND DEVICE FOR INSPECTING ROLLING ELEMENTS BY MEANS OF ULTRASOUND
The invention relates to a method for inspecting rolling elements (W) by means of ultrasound, wherein the rolling elements (W) are individually fed to an ultrasonic measuring apparatus (4), wherein the rolling elements (W) are moved and subjected to an ultrasonic measurement in the ultrasonic measuring apparatus (4) and wherein the individual rolling elements (W) are classified as faulty or not faulty in dependence on a result of the ultrasonic measurement. The invention further relates to a rolling-element inspecting assembly for performing the method, which comprises: at least one ultrasonic measuring apparatus (4) having a receptacle for the individual rolling elements (W); at least one ultrasonic head (10); and a drive for the movement of the individual rolling elements (W).
G01N 29/22 - Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic wavesVisualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object Details
G01N 29/27 - Arrangements for orientation or scanning by moving the material relative to a stationary sensor
G01N 29/44 - Processing the detected response signal
50.
Method for producing a rolling bearing cage for an axial-radial rolling bearing and axial-radial rolling bearing
The invention relates to a method for producing a rolling bearing cage for a rolling bearing comprising at least one row of rolling elements. In the method according to the invention, a ring or a ring element made of a metallic solid material is provided and shaped by a forming process and/or a cutting, material-removing process into an annular or segmented main body of the rolling bearing cage. The main body has openings for receiving a respective rolling element, the main body being heated to a temperature above a minimum coating temperature for thermal coating with a thermoplastic material powder, wherein the main body is then immersed in a fluidized bed containing the thermoplastic material powder, wherein thermoplastic material powder adheres to the main body, melts and forms a contiguous coating while the main body is present in the fluidized bed, and wherein, after the coating, the main body is removed from the fluidized bed. The invention further relates to an axial-radial rolling bearing with the described rolling bearing cage.
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
F16C 33/51 - Cages for rollers or needles formed of unconnected members
B05D 3/02 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
51.
Method and arrangement for progressive surface hardening
The invention relates to a method for the progressive induction surface hardening of a closed curve trace of a workpiece, the closed curve trace and a hardening device being moved relative to one another in a feed mode to harden the closed curve trace starting from an initial zone to an end zone, an unhardened soft zone being provided. According to the invention, the workpiece is provided with a marking, the hardening device having a sensor for detecting said marking. The curve trace and the hardening device are moved relative to one another along the treatment direction until the senor detects the marking. Once the marking is detected, another movement takes place in the treatment direction before the hardening device is activated, the curve trace being hardened by the relative movement. The marking is again detected by means of the sensor and the hardening device is then deactivated. The invention also relates to an arrangement which is suitable for carrying out the method described.
C21D 1/10 - Surface hardening by direct application of electrical or wave energySurface hardening by particle radiation by electric induction
C21D 9/40 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for ringsHeat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for bearing races
C21D 11/00 - Process control or regulation for heat treatments
C21D 9/00 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor
H05B 6/06 - Control, e.g. of temperature, of power
H05B 6/10 - Induction heating apparatus, other than furnaces, for specific applications
The present invention relates to a planar inductor for progressive case hardening, comprising a carrier (2) and an induction coil (3), which is accommodated by the carrier (2) and exposed on a first side of the carrier (2) and which is in the form of a conductor loop. According to the invention, the inductor comprises two spacing elements (7), which are space apart from one another and inserted into the carrier (2) and which protrude from the carrier (2) and beyond the conductor loop (3) on the first side. The invention further relates to a preferred method for producing the planar inductor.
The invention relates to a cylindrical roller bearing for absorbing axial and radial forces, comprising a first bearing ring (1) and a second bearing ring (2), which are arranged concentrically about an axis of rotation extending in the axial direction (x), wherein the second bearing ring (2) has a groove, which is open in a radial direction and in which a projection (4) of the first bearing ring (1) engages, wherein a first radial bearing row (5) and two axial bearing rows (7) spaced in the axial direction are arranged between the projection (4) and the groove (3), wherein the first radial bearing row (5) supports the first bearing ring (1) against the second bearing ring (2) in a first radial direction and wherein a second radial bearing row (8) is provided, which supports the first bearing ring (1) against the second bearing ring (2) in a second radial direction that is opposite to the first radial direction. According to the invention, the first bearing ring (1) is divided in the axial direction (x) into at least one first ring part (1a) having the projection (4) and one second ring part (1b), wherein the second radial bearing row (8) is arranged between the second ring part (1b) and the second bearing ring (2) at an axial distance from the projection (4).
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
F16C 19/54 - Systems consisting of a plurality of bearings with rolling friction
54.
SEAL, METHOD FOR PRODUCING SAME AND SEALING ARRANGEMENT THEREWITH
An oil-lubricated anti-friction bearing is provided for a horizontal arrangement of a rotational axis with a shaft seal that separates a bearing inner chamber, which accommodates rolling bodies, from a bearing outer side, and has a clamping arrangement which acts on the shaft seal from a bearing outer side in order to fix the shaft seal axially. The clamping arrangement has an outlet for oil.
F16J 15/32 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
56.
PROCESS FOR PRODUCING A ROLLING BEARING CAGE, IN PARTICULAR FOR LARGE ROLLING BEARINGS, AND APPARATUS FOR CARRYING OUT THE PROCESS
The invention relates to a process for producing a rolling bearing cage (4), in particular for large rolling bearings, wherein a steel strip with openings for in each case one rolling body is provided and bent to form a ring (5), wherein, for thermal coating with a thermoplastic powder (12), the ring (5) is then heated to a temperature above a minimum coating temperature, wherein the ring (5) is then dipped into a fluidized bed (11) comprising the thermoplastic powder (12), wherein, during the residence time of the ring (5) in the fluidized bed (11), plastic powder (12) adheres to the ring (5), melts and forms a continuous coating (6), and wherein the ring (5) is removed from the fluidized bed (11) after the coating. The invention also relates to an apparatus for carrying out the process.
The invention relates to a method for producing a rolling bearing cage (4) for a rolling bearing comprising at least one row of rolling elements (3). In the method according to the invention, a ring or a ring element made of a metallic solid material is provided and shaped by a forming process and/or a cutting, material-removing process into an annular or segmented main body (6) of the rolling bearing cage (4). The main body (6) has openings (9) for receiving a respective rolling element (3), the main body (6) being heated to a temperature above a minimum coating temperature for thermal coating with a thermoplastic material powder, wherein the main body (6) is then immersed in a fluidised bed containing the thermoplastic material powder, wherein thermoplastic material powder adheres to the main body (6), melts and forms a contiguous coating (7) while the main body is present in the fluidised bed, and wherein, after the coating, the main body (6) is removed from the fluidised bed. The invention further relates to an axial-radial rolling bearing with the described rolling bearing cage (4).
The invention relates to a method for the progressive induction surface hardening of a closed curve trace (1) of a workpiece (2), the closed curve trace (1) and a hardening device (4) being moved relative to one another in a feed mode to harden the closed curve trace (1) starting from an initial zone (9) to an end zone (10), an unhardened soft zone (11) being provided. According to the invention, the workpiece (2) is provided with a marking (7), the hardening device (4) having a sensor (8) for detecting said marking (7). The curve trace and the hardening device (4) are moved relative to one another along the treatment direction (B) until the senor (8) detects the marking (7). Once the marking (7) is detected, another movement takes place in the treatment direction (B) before the hardening device (4) is activated, the curve trace (1) being hardened by the relative movement. The marking (7) is again detected by means of the sensor (8) and the hardening device (4) is then deactivated. The invention also relates to an arrangement which is suitable for carrying out the method.
C21D 9/40 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for ringsHeat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for bearing races
C21D 11/00 - Process control or regulation for heat treatments
C21D 1/10 - Surface hardening by direct application of electrical or wave energySurface hardening by particle radiation by electric induction
C21D 9/34 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for tyresHeat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for rims
The invention relates to a method for the induction surface hardening of a ring surface (1) of a workpiece (2), the ring surface (1) and a hardening device (7) having an induction coil (9) being moved relative to one another in a treatment direction (B) in a feed mode. A sprinkler (10) is located downstream of the induction coil (9) when seen in the direction of treatment (B) and serves to heat the ring surface (1), starting from an initial zone (3) to a final zone (4), by means of the induction coil (9) and then to harden it by cooling the ring surface by means of the sprinkler (10), an unhardened soft zone (5) being provided between the initial zone (3) and the end zone (4). According to the invention, the supplementary induction coil, the induction coil and the sprinkler are activated and deactivated separately from one another at the start of the hardening process and at the end of the hardening process, respectively, the speed between the hardening device (7) and the workpiece and/or the power supplied to the supplementary induction coil (8) and the induction coil (9) being varied at the same time.
C21D 9/40 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for ringsHeat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for bearing races
C21D 1/10 - Surface hardening by direct application of electrical or wave energySurface hardening by particle radiation by electric induction
The invention relates to an oil-lubricated anti-friction bearing for a horizontal arrangement of the rotational axis (D) with a shaft seal which separates a bearing inner chamber (4) which accommodates rolling bodies from a bearing outer side, and with a clamping arrangement (6) which acts on the shaft seal from a bearing outer side in order to fix the shaft seal axially. According to the invention, the clamping arrangement (6) has an outlet (9) for oil.
(1) Bearings and slewing bearings (parts of machines) not for use in association with vehicles and their parts; cages for bearings, cages for slewing bearings (parts of machines) not for use in association with vehicles and their parts.
62.
AXIAL-RADIAL ROLLING CONTACT BEARING, IN PARTICULAR FOR SUPPORTING ROTOR BLADES ON A WIND TURBINE
The invention relates to an axial-radial rolling contact bearing, in particular for supporting rotor blades (2) on a wind turbine (1), comprising a first bearing ring (7) and a second bearing ring (8), which form an inner ring and an outer ring, and comprising a radial rolling contact bearing row (4) and a plurality of axial rolling contact bearing rows between the first bearing ring (7) and the second bearing ring (8). According to the invention, at least four axial rolling contact bearing rows (5a, 5b, 5c, 5d) which are arranged at a distance from each other in the axial direction (x) are provided, said radial rolling contact bearing row (4) being arranged between the second axial rolling contact bearing row (5b) and the third axial rolling contact bearing row (5c) in the axial direction (x).
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
Goods & Services
Metal rings namely bearing, sealing or supporting rings made from processed and raw materials; seamless rolled metal rings made from processed and raw materials Antifriction bearings and large-diameter antifriction bearings for machine parts namely machine transmissions, slewing rings and roller bearing slewing rings for turbines, generators, transformers, hydraulic motors, wind energy plants, bulk-feed presses, cranes, excavators, tunneling machines, earth moving machines, aircraft jet engines, flanges, and reinforcing and retaining elements for pipelines, and metal ring gears
01 - Chemical and biological materials for industrial, scientific and agricultural use
05 - Pharmaceutical, veterinary and sanitary products
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
12 - Land, air and water vehicles; parts of land vehicles
17 - Rubber and plastic; packing and insulating materials
30 - Basic staples, tea, coffee, baked goods and confectionery
Goods & Services
(1) Metallic rings (raw material/processed), seamless rolled rings out of metal (raw material/processed), ring gears out of metal, ring-shaped machinery components out of metal including anti-friction bearings, large-diameter anti-friction bearings, slewing rings, ball bearing slewing rings, roller bearing slewing rings; roller bearings, large roller bearings; rotary couplings, rotary ball couplings, rotary ball couplings, rotary roller couplings as parts of machinery;
