The invention relates to a rotary shaft device (3) comprising a housing (300), a rotary shaft (100) rotatably mounted relative to the housing (300), a pressurizing member (700) radially disposed between a main body of the rotary shaft (100) and the housing (300), said pressurizing member (700) and the main body of the rotary shaft (100) defining therebetween a pressurizing reservoir (900) configured to receive a volume of a cooling fluid; and at least one cooling channel (150) extending between a fluid inlet (151) and a fluid outlet (153), and having at least one component along the axis of rotation (X), the at least one cooling channel (150) being in fluid communication, at the fluid inlet (151), with the pressurizing reservoir (900).
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Caulking materials; waterproof packings; substitutes for
unprocessed and semi-processed rubber; substitutes for
unprocessed and semi-processed gutta-percha; substitutes for
unprocessed and semi-processed gum; substitutes for
unprocessed and semi-processed asbestos; substitutes for
unprocessed and semi-processed mica; plastic in extruded
form for use in manufacture; packing, stopping and
insulating materials; flexible pipes, not of metal; gaskets;
oil seals; rotary seals; metal case lip seals; double lip
oil seals; o-rings; static seals; gaskets in the form of
sheets; rod seals; piston seals; wiper seals; caulking
materials namely rubber, gutta-percha, gum, asbestos and
mica; non-metal packings namely rubber, gutta-percha, gum,
asbestos and mica packings; packings for pipes namely
packings for water pipes, gas pipes, waste pipes; cylinder
joining packings; stuffing of rubber or plastic for sealing;
adhesive bands for sealing plugs of rubber for use in
manufacture; joint packings for pipes; insulated pipe
supports; flexible pipes and tubes not of metal; compressed
air pipe fittings not of metal; insulation for underground
pipes; polyurethane film for use in sealing and insulating;
packing rings; rings of rubber for use as pipe connection
packing.
A bearing locking collar (20), for providing axial positioning and support to a rolling bearing (10) of a conventional type. The bearing (10) comprises in structure an inner ring (1) and an outer ring (2) that are distributed radially and multiple rolling elements (3) disposed between the inner ring and the outer ring. The locking collar (20) is an annular closed member, is used for series connection to the inner ring (1) of the bearing (10) and fitting to a rotating shaft (5) with uniform diameter, and can abut against at least one end of the inner ring (1). The locking collar (20) can be sleeved, relying on the mechanical property of its material and a certain degree of stretching deformation, on the rotating shaft (5) with mechanical strength greater than the interference fit tightness between the inner ring (1) and the rotating shaft (5). The locking collar (20) and the rolling bearing (10) of the conventional type form a bearing assembly. Also provided is a rolling bearing (10') of a conventional type having the elongated inner ring (1).
The invention relates to a bearing arrangement (1), comprising a driven shaft element (2) which is supported by at least two roller bearings (3, 4), wherein the roller bearings (3, 4) are arranged at an axial distance (a) along an axis (A) and wherein an actuator element (5) is arranged by which the axial pre-load between the two roller bearings (3, 4) can be influenced. To adapt the pre-load in the roller bearings depending on the drive torque of the driven shaft element in a simple but effective way the invention is characterized in that the actuator element (5) comprises a first axial end section (6) and a second axial end section (7), wherein a plurality of beam elements (8) extend between the first and second axial end sections (6, 7), wherein the beam elements (8) are arranged along an outer circumferential surface (9) of the actuator element (5) and wherein the beam elements (8) are running along a helical curve or straight line (10) between the first and second axial end sections (8, 9).
F16C 25/08 - Ball or roller bearings self-adjusting
F16F 1/14 - Torsion springs consisting of bars or tubes
F16F 1/02 - Springs made of steel or other material having low internal frictionWound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
The invention concerns a sintered ceramic component of silicon nitride or sialon suitable as rolling element in a bearing and a manufacturing method for making such ceramic components. The ceramic component has high density and a homogeneous and fine microstructure, giving the component excellent mechanical properties. Manufacturing of the sintered ceramic component by SPS is cost-effective and rapid.
C04B 35/584 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on borides, nitrides or silicides based on silicon nitride
C04B 35/599 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on borides, nitrides or silicides based on silicon oxynitrides based on silicon aluminium oxynitrides [SiAlON]
C04B 35/593 - Fine ceramics obtained by pressure sintering
C04B 35/597 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on borides, nitrides or silicides based on silicon oxynitrides
C04B 35/626 - Preparing or treating the powders individually or as batches
The invention concerns a method for manufacturing a ceramic material with pseudo-isotropic microstructure. The method for tailoring the microstructure for manufacturing of sintered ceramic components involves a spark plasma sintering (SPS) process. By performing the SPS process in at least two steps it is possible to separate densification from grain growth. An initial sintering step at a first temperature and a first pressure, followed by a controlled grain growth step at a higher temperature and lower pressure makes it possible to manufacture ceramic components with controlled microstructure and improved mechanical properties.
C04B 35/584 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on borides, nitrides or silicides based on silicon nitride
C04B 35/597 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on borides, nitrides or silicides based on silicon oxynitrides
The present invention relates to a seal unit comprising a radial seal lip, the unit being provided with at least one sensor that comprises an acoustic wave device. The acoustic wave device has an input transducer for generating a mechanical acoustic wave on or through a piezoelectric substrate, and has an output transducer for receiving the mechanical acoustic wave and generating an output signal dependent on a wave propagation between the input and output transducers.
F16J 15/32 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
G01K 11/26 - Measuring temperature based on physical or chemical changes not covered by group , , , or using measurement of acoustic effects of resonant frequencies
G01L 5/24 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for determining value of torque or twisting moment for tightening a nut or other member which is similarly stressed
G01M 3/24 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations
The present invention resides in a lubricated system (100) comprising a lubricant and at least one lubricated component (105), the system being provided with an analysis device for analyzing at least one property of the lubricant and further provided with a micropump for extracting a sample of the lubricant and for supplying the sample to the analysis device. According to the invention, the analysis device is a microfluidic chip (180) which is arranged in connection with the micropump (130), externally to the lubricated system.
G01N 27/06 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
B01L 3/00 - Containers or dishes for laboratory use, e.g. laboratory glasswareDroppers
F16N 29/02 - Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditionsUse of devices responsive to conditions in lubricating arrangements or systems for influencing the supply of lubricant
G01N 11/04 - Investigating flow properties of materials, e.g. viscosity or plasticityAnalysing materials by determining flow properties by measuring flow of the material through a restricted passage, e.g. tube, aperture
The present invention relates to a bearing assembly comprising a rolling element bearing (100) and an electrically controlled grease pump (110). The rolling element bearing comprises an inner ring (102), an outer ring (105) and at least one set of rolling elements (107) disposed within a cavity of the bearing on opposing inner and outer raceways. The grease pump comprises a pump drive mechanism, a grease reservoir (112) and a supply line (115) in connection with the reservoir. The supply line extends into the bearing cavity and has a discharge opening (117) arranged in close proximity to a rolling contact zone of the bearing. According to the invention, the pump drive mechanism is an electro-osmotic member which pumps a drive fluid, whereby the drive fluid exerts pressure on the grease reservoir in order to effect a supply of grease to the bearing.
The present invention relates to a unit and a method of determining and electronically compensating for a physical misalignment between two or more magnet encoder rings. The sensor output of each magnet encoder ring is measured. The measurements are then related to expected values in relation to one or more predetermined angular positions. The outcome then determines if one or both of the sensor outputs needs to receive an offset to thereby with the offset function as if the magnet encoder rings were physically aligned.
G01D 5/244 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trainsMechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means generating pulses or pulse trains
The present invention relates to a bearing assembly comprising at least one rolling element bearing (102, 105) and at least one lubrication device (100). The rolling element bearing comprises an inner ring (152, 155), an outer ring and at least one set of rolling elements disposed within a cavity of the bearing on opposing inner and outer raceways. The lubrication device (100) comprises an oil reservoir and a pump drive mechanism. The assembly is further provided with an oil supply line, which is in connection with the reservoir and which has a discharge orifice (148, 151 ) arranged inside the bearing cavity in proximity to a rolling contact zone of the bearing. According to the invention, the pump drive mechanism is an electro-osmotic member which pumps a drive fluid, whereby the drive fluid exerts pressure on the oil reservoir in order to effect a supply of oil to the rolling contact zone.
F16C 33/66 - Special parts or details in view of lubrication
F16N 11/10 - Arrangements for supplying grease from a stationary reservoir or the equivalent in or on the machine or member to be lubricatedGrease cups by pressure of another fluid
13.
WHEEL BEARING UNIT AND METHOD FOR PRODUCING THE SAME
The invention relates to a wheel bearing unit (1) for a vehicle wheel, comprising a hub element (2, 3, 2') which has an axially (a) extending cylindrical section (4) to be supported by a bearing arrangement (5) and which has a radially (r) extending flange section (6) for fixing the vehicle wheel and/or a brake disk at a face side (7) of the flange section (6), wherein the bearing arrangement (5) has an outer ring (8). To ensure a firm and cost effective axial connection between the hub element and the outer ring, the invention is characterized in that the outer ring (8) has a radially extending insection (9) at its outer circumference (10), wherein the axially (a) extending cylindrical section (4) of the hub element (2, 3, 2') is deformed partially (11) so that a section of it interferes in the insection (9) for axially fixing the hub element (2, 3, 2') relatively to the outer ring (8). The invention also relates to a method for producing a wheel bearing unit.
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
14.
BEARING ASSEMBLY FOR ROTATABLY SUPPORTING A MACHINE ELEMENT AND METHOD FOR FIXING A TAPERED ROLLER BEARING TO A MACHINE ELEMENT
The invention relates to a bearing assembly, having a two-rowed tapered roller bearing (1) for rotatably supporting a machine element (3) and having a clamping device (2) for fixing the tapered roller bearing (1) to the machine element (3). The tapered roller bearing (1) has an outer ring (5), the outer diameter of which is at least 1 meter, a first inner ring (7), a second inner ring (9), which is axially disposed next to the first inner ring (7), a set of conically designed first rolling elements (11), which roll between the outer ring (5) and the first inner ring (7), and a set of conically designed second rolling elements (12), which are axially disposed next to the first rolling elements (11) and which roll between the outer ring (5) and the second inner ring (9). The clamping device (2) has a rigid component (18) and an elastically deformable component (19, 23). The rigid component (18) of the clamping device (2) axially stops at the machine element (3). The elastically deformable component (19, 23) of the clamping device (2) is axially clamped and thus axially deformed compared to a relaxed state. The elastically deformable component (19, 23) of the clamping device (2) is connected to the first inner ring (7) of the tapered roller bearing (1), to the second inner ring (9) of the tapered roller bearing (1), to the rigid component (18) of the clamping device (2), or to the machine element (3).
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 25/08 - Ball or roller bearings self-adjusting
The invention relates to a bearing arrangement (1) for a carrier roller (2) which is embodied as a hollow cylinder at least in certain sections, having at least one bearing (3) which supports the carrier roller (2), wherein a damping element (5) is arranged directly or indirectly between a ring (4) of the bearing (3) and the carrier roller (2). In order to permit simplified mounting of the arrangement, the invention provides that the damping element (5) be secured by a sleeve-shaped component (6), wherein the sleeve-shaped component (6) surrounds the damping element (5), at least in certain sections, with a radially inner surface (7), wherein the sleeve-shaped component (6) is arranged with a radially outer circumferential surface (8) in the radially inner circumferential surface (9) of the carrier roller (2), and wherein the sleeve-shaped component (6) is secured in relation to the carrier roller (2) in both axial directions (a) using two attachment elements (10, 11).
The invention relates to a wheel end assembly (1) of a vehicle comprising a hub element (2), a brake rotor (3) and a sensor system (4, 5, 8) for determining a braking torque (MB) exerted on the brake rotor (3) during a brake operation, the hub element (2) comprising a radially extending wheel mounting flange (6) provided with means to enable the attachment of a vehicle wheel. To determine the braking torque on the wheel hub assembly in an easy and precise way, the invention is characterized in that the sensor system (4, 5, 8) comprises: a first rotary encoder (4) for determining a relative angular position between the hub element (2) and a fixed reference (7), the first encoder (4) comprising first encoding means (4') and a first sensor (4") arranged to detect the first encoding means (4') and produce a first signal (Φ1); a second rotary encoder (5) for determining a relative angular position between the brake rotor (3) and a fixed reference (7), the second rotary encoder (5) comprising second encoding means (5') and a second sensor (5") arranged to detect the second encoding means (5') and produce a second signal (Φ2), a processing unit (8) that is arranged to: receive the first and second signals (Φ1, Φ2), calculate a phase difference (ΔΦ1) between the first signal (Φ1) and the second signal (Φ2), and determine the exerted braking torque (MB) from the calculated phase difference (ΔΦ1). Furthermore, the invention relates to a method of determining a braking torque (MB) exerted on a brake rotor.
F16D 66/00 - Arrangements for monitoring working conditions of brakes, e.g. wear or temperature
B60T 8/52 - Torque sensing, i.e. wherein the braking action is controlled by forces producing or tending to produce a twisting or rotating motion on a braked rotating member
G01L 3/00 - Measuring torque, work, mechanical power, or mechanical efficiency, in general
The present invention resides in a method of manufacturing a bearing ring (101) for a rolling element bearing, wherein the bearing ring comprises a bearing race (102) made of a bearing grade steel and an overmoulded part (106) that is preferably made of a lightweight metal such as aluminium or a thermoplastic material such as polyamide. According to the invention, the method comprises a step of hardening at least a raceway surface (103) of the bearing race prior to a step of joining the overmoulded part (106) to the bearing race (102) in a moulding process. In a further development, the method comprises a step of temperature control, to ensure that the temperature of the raceway surface (103) is kept below a predetermined value during the moulding process.
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
B22D 19/00 - Casting in, on, or around, objects which form part of the product
The invention relates to a seal assembly (1) which seals off a first region (2) of a machine part (3) with respect to a second region (4) of the machine part (3), wherein the seal assembly (1) comprises at least one seal element (5) which is in contact with the machine part (3) or a component connected thereto or which runs on the machine part (3) or on the component connected thereto, forming a gap (6). In order to protect the seal arrangement better against penetrating moisture, the invention provides for the seal element (5) and/or the machine part (3) and/or the component connected to the machine part (3) to be provided or coated in the region of the seal element (5) with a material (7) which has super-hydrophobic properties.
The present invention concerns a power supply (10) comprising a primary cell (11) adapted to provide a primary cell current. The primary cell (11) comprises an anode, a cathode current collector and an electrolyte, whereby a passivation layer is formed on a surface of the anode as a result of a chemical reaction between the anode and the electrolyte. To ensure that the passivation layer remains essentially intact for the lifetime of the primary cell, the power supply (10) further comprises a current limiter (12) that is configured to prevent the magnitude of the primary cell current exceeding a value that would damage the passivation layer.
The invention relates to a method for producing a ring (1) of a synchronizing device (2), wherein the ring (1) has a frictional surface (3) for interacting with the frictional surface (4) of a further ring (5) of the synchronizing device (2), and at least one sliding surface (6, 7) to form a sliding seat on a contact surface (8). In order to achieve a low drag torque of the ring, the invention provides for at least one of the sliding surfaces (6, 7) to have a number of arcuate grooves (9, 10), which are introduced by a thread turning process. Furthermore, the invention relates to a ring of a synchronizing device.
The present invention relates to a method of determining a lubrication parameter indicative of a lubrication condition of an oil-lubricated rolling element bearing. The method comprises measuring high-frequency structure- borne acoustic emissions generated by asperity contact between rolling contact surfaces of the bearing, to provide a measured signal. The emitted acoustic energy is then extracted from the measured signal and the lubrication parameter is determined from the acoustic energy. The determination is made on the basis of a power-law relation between acoustic energy and the lubrication parameter.
The invention relates to a method for producing a cage (1) of a rolling bearing. For the method according to the invention, a first punching surface (8), a second punching surface (9), and an embossing surface (12, 13) of a punch arrangement (3) and a support surface (19) of a die arrangement (4) are disposed adjacent to the cage (1) such that the embossing surface (12, 13) and the support surface (19) are disposed between the first punching surface (8) and the second punching surface (9) relative to the circumferential direction of the cage (1). A first cutout (20) is punched out of the cage (1) by a forward stroke motion of the first punching surface (8). A second cutout (21) is punched out of the cage (1) at a lateral offset to the first cutout (20) by a forward stroke motion of the second punching surface (9), and a web (22) is thereby formed between the first cutout (20) and the second cutout (21). The embossing surface (12, 13) is embossed on the web (22) and material is thereby deformed by a forward stroke motion of the embossing surface (12, 13) coupled to the forward stroke motion of the first punching surface (8) and/or the second punching surface (9). During the embossing of the embossing surface (12, 13) on the web (22), a contact area formed between the web (22) and the support surface (19) is enlarged.
B21D 28/30 - Perforating, i.e. punching holes in annular parts, e.g. rims
B21D 53/12 - Making other particular articles parts of bearingsMaking other particular articles sleevesMaking other particular articles valve seats or the like cages for bearings
B21J 5/00 - Methods for forging, hammering, or pressingSpecial equipment or accessories therefor
F16C 33/54 - Cages for rollers or needles made from wire, strips, or sheet metal
The present invention defines a bearing unit comprising a bearing provided with one or more strain sensors, where the bearing comprises an inner ring and an outer ring, and where the one or more strain sensors (10) comprises a sensing element (14) integrated on a support member (12). According to the invention, the support member is a thin flat plate made of a metal material and is attached to a surface (5) of the bearing only by means of a first weld seam (21) and a second weld seam (22) located at first and second lateral ends of the support member. The present invention also defines a method of attaching the strain sensor (10) to the bearing surface (5).
F16C 19/52 - Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
G01L 1/22 - Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluidsMeasuring force or stress, in general by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
A device and a method of aligning a full or partial turn absolute rotary position encoder (310) with a predetermined desired rotary position of an axle (302). A trigger (335) is generated when the axle is in a predetermined triggering rotary position. The trigger initiates acquiring a position signal (315) from the absolute rotary position encoder (310). This acquired position signal is a base for determining a correction factor (355). The correction factor is then used to transform subsequent position signals (315) from the absolute rotary position encoder (310) into aligned position signals (365). The aligned position signals are equivalent to position signals the absolute rotary position encoder (310) would have generated had the absolute rotary position encoder been physically aligned with the predetermined desired rotational position on the motor axle (302).
G01D 3/02 - Measuring arrangements with provision for the special purposes referred to in the subgroups of this group with provision for altering or correcting the transfer function
G01D 5/249 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trainsMechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means generating pulses or pulse trains using pulse code
A Lubricant comprises a carboxylic-acid-amide which is based on aliphatic unbranched, alicyclic and/or aromatic chains with chain length from 2 to 60 carbon atoms.
C10M 137/02 - Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus having no phosphorus-to-carbon bond
26.
METHOD FOR THE PRODUCTION OF A BEARING ARRANGEMENT, AND BEARING ARRANGEMENT
The invention relates to a method for producing a bearing arrangement (1) comprising at least one bearing element (2) and at least one surrounding part (3) which rest against each other on a contact surface (4) if properly used. Said method is characterized by the following steps: a) the bearing element (2) and the surrounding part (3) are arranged in the appropriate desired relative position to each other, and a reactive nanocrystalline layer (5) is disposed between the bearing element (2) and the surrounding part (3) in the area of the contact surface (4); b) an exothermic reaction is initiated in the reactive nanocrystalline layer (5) such that an integral bond is created between the bearing element (2) and the surrounding part (3) by at least partially heating the surface of the bearing element (2) and/or the surrounding part (3) in the area of the contact surface (4). The invention also relates to a bearing arrangement.
The present invention resides in a wheel bearing unit (100) having an inner member (105) and an outer member (107) rotationally coupled to each other by at least one row of rolling elements (115), whereby at least one bearing inner ring (110) is mounted on the inner member (105). The inner member (105) comprises a first section (130) and a second section (135) that at least party lies radially inward of the first section (130). According to the invention, the first section (130) is formed from a first material and the second section (135) is formed from a metal material, preferably a lightweight metal such as aluminium. The second section (135) of the inner member (105) is joined to the first section (130) by means of a semi-solid metal process, and to ensure a radial interlock between the first and second sections (130, 135), the first section comprises a portion (140) extending in a radially inward direction, wherein the portion presents at least one surface that faces away from the bearing axis of rotation (X). Thus, as the semi-solid metal of the second section (135) cools, it has a surface against which to radially contract, thereby ensuring a permanent join and long service life of the unit (100).
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
An Antirotation device for an element being moveable back and forth along an axis, particularly a periodically actuable tappet for a valve train or a pump, comprises following features: The device is substantially mushroom-shaped consisting of one trunk section and one head section, the trunk section is circular-cylindrical-like and designed to be arranged in a circular hole or cavity of said element, particularly of a hollow circular- cylindrical part of said element, and the head section is between a longitudinal cut-off of a circular-like cylinder and a cut-off of a spherical and designed to slide in a guide of a bore surrounding said element.
An antifriction bearing cage comprises pockets delimited at least in a U-shaped manner and has the following features: - at least one ring-type circumferential element has at least three radial concavities or convexities which are distributed in the circumferential direction, the internal or external surfaces of said concavities or convexities acting as guiding surfaces for the cage; and - web elements are integrally joined to the circumferential element, one of the pockets extending between two adjacent web elements.
A roller bearing cage has the following features: - at least one web element (14) that has a surface which is to lie directly opposite an external surface of a roller; - said surface comprises a plurality of hull-like macroscopic depressions for holding a lubricant; - the width and/or depth of the depressions (16) decreases towards at least one end in the circumferential direction of the roller; and - several depressions (16), the size of a first group of which decreases essentially towards one of the ends and the size of the second group of which decreases towards the other end, are arranged on the surface.
The invention relates to a seal arrangement for sealing between a first and a second part of a chain, which can be at least pivoted relative to each other, comprising the following features: A sealing ring for sealing a lubricant chamber between the parts that can be pivoted relative to each other, having an annular sealing edge provided for the sealing abutment against a mating surface of one of the parts, an elastic ring for the firmly resting against one of the parts and for applying pressure onto the sealing ring, and a support ring which substantially connects to the interior casing of the sealing ring and which substantially prevents direct contact of the sealing ring with a part of the chain, at least radially toward the interior, and wherein the sealing ring is free of any convexity receiving at least part of the support ring.
The invention relates to a bearing support (1) for holding at least two bearings (2) which are arranged next to each other and the axes of rotation of which run parallel and at a distance from one another. Each bearing (2) has an outer bearing ring (3) with a cylindrical peripheral surface. The bearing support (1) comprises a support part (4) into which a depression is incorporated that is used for holding the at least two bearings (2). In addition to cylindrical holding zones, the depression has at least one transition zone (5) only for part of the cylindrical peripheral surfaces of the bearings (2), said transition zone (5) not being filled by the bearings (2) when the same are mounted in the support part (4). The support part (4) is connected to a cover part (6) that axially rests against the bearings (2). In order for the bearings to be better supported also when the same are disposed close to each other, the cover part (6) has at least one supporting element (7) which extends into the transition zone (5) between the bearings (2) and at least partially fills the transition zone (5) in the mounted state of the bearing support (1).
The invention relates to a bearing support (1) for holding at least two juxtaposed bearings (2), the rotational axes of the at least two bearings (2) being parallel and interspaced from each other and every bearing (2) having an outer bearing ring (3) having a cylindrical peripheral surface (4). In order to improve the support of the bearing even when the bearings are located close to each other, the bearing support (1) consists of at least two parts (5, 6), one part (5) being designed as element which has cylindrical cut-out sections (7, 8) for receiving outer bearing rings (3) on their peripheral surface (4) over at least a part of the width (B) of the outer bearing rings (3) and over the entire circumference of the outer bearing rings (3), the second part (6) being designed as a support plate, and the two parts (5, 6) of the bearing support (1) being interconnected.
The invention relates to a bearing arrangement (1), comprising at least two bearings (2) that are arranged next to each other and a bearing carrier (3) holding the bearings, wherein the rotational axes of the at least two bearings (2) are disposed parallel and at a distance from each other and wherein each bearing (2) comprises an outer bearing ring (4) having a cylindrical circumferential surface (5). In order to achieve improved support of the bearings even when the bearings are arranged close to each other, the invention provides for the bearing arrangement to comprise furthermore a spacer (6). The spacer (6) is designed as a component having cylindrical recesses (7, 8) for receiving the outer bearing rings (4) at the circumferential surface (5) at least along a section of the width (B) of the outer bearing rings (4) and along the entire circumference of the outer bearing rings (4), and wherein no rigid connection exists between the bearing carrier (3) and the spacer (6).
The invention concerns a sintered ceramic component of silicon nitride or sialon suitable as rolling element in a bearing and a manufacturing method for making such ceramic components. The ceramic component has high density and a homogeneous and fine microstructure, giving the component excellent mechanical properties. Manufacturing of the sintered ceramic component by SPS is cost-effective and rapid.
C04B 35/593 - Fine ceramics obtained by pressure sintering
C04B 35/599 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on borides, nitrides or silicides based on silicon oxynitrides based on silicon aluminium oxynitrides [SiAlON]
The invention concerns a method for manufacturing a ceramic material with pseudo-isotropic microstructure. The method for tailoring the microstructure for manufacturing of sintered ceramic components involves a spark plasma sintering (SPS) process. By performing the SPS process in at least two steps it is possible to separate densification from grain growth. An initial sintering step at a first temperature and a first pressure, followed by a controlled grain growth step at a higher temperature and lower pressure makes it possible to manufacture ceramic components with controlled microstructure and improved mechanical properties.
C04B 35/593 - Fine ceramics obtained by pressure sintering
C04B 35/599 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on borides, nitrides or silicides based on silicon oxynitrides based on silicon aluminium oxynitrides [SiAlON]
The present invention concerns a vehicle wheel assembly comprising a wheel rim (10) and a sensor device provided on an annular midsection (20) of the wheel rim (10). Specifically, the sensor device is provided on a sensor-mounting portion (24) of the annular midsection (20), in which a non-circular assembly opening (22) is arranged. According to the invention, the assembly opening (22) has a maximum dimension (x) that is larger than a maximum width of the sensor device. Thus, the sensor device can be passed through the non-circular assembly opening, Gnabling the device to be mounted to and dismounted from the wheel rim (10) without having to remove a vehicle tire from the wheel rim.
The invention relates to a wheel bearing unit (1) for a vehicle wheel, comprising a hub element (2, 3) which has a axially (a) extending cylindrical section (4) to be supported by a bearing arrangement (5) and which has a radially (r) extending flange section (6) for fixing the vehicle wheel and/or a brake disk at a face side (7) of the flange section (6). To ensure a simple design with high stability the invention is characterized in that the hub element (2, 3) consists of a first part (2) comprising the cylindrical section (4) and the flange section (6) and of a second part (3), wherein the second part (3) has means (8) for centering a wheel rim of the vehicle wheel and/or the brake disk and wherein the first part (2) and the second part (3) are connected by connection means (9).
The invention relates to a pulley having the following features: a hollow body (10), the outer jacket of which forms the rolling surface of the pulley; a hollow cylindrical support element (24), to which the hollow body (10) is rotatably connected; a fixing element (21) which extends axially along a main axis (29) and to which the support element (24) can be fixedly connected; the end faces of the fixing and support elements (21, 24) that are designed to rest against and fit into one another are in the form of a spherical cap, allowing an inclination angle (α) of the rotational axis (19) of the hollow body (10) to be adjusted in relation to the main axis (29) of the fixing element (21); a bar (22) that runs through the cavity of the support element (24) and can be fixed to the fixing element (21) approximately in the centre of the spherical cap-shaped end face of the latter (21), the other axial end of the support element (24) being capable of being fixed to the bar (22) at a selected angle (α) in relation to the fixing element (21) by means of fastening means (27) that can be fixed to the bar; the other end face of the support element (24) is likewise spherical cap-shaped and the fastening means (27) or an intermediate element (26) that can be positioned between the fastening means (27) and the support element (24) has a complementary spherical cap-shaped end face. One of the end faces of the support element (24) is concave and the other convex.
The invention relates to a method for producing a wheel bearing unit (1) for a vehicle wheel, wherein the wheel bearing unit (1) comprises a hub element (2) having a first part (2') with a radially (r) extending flange section for fixing the vehicle wheel and/or a brake disk at a face side (3) of the flange section (2') and having a second part (2") with an axially (a) extending sleeve section for supporting at least one inner ring (4', 4") or at least one outer ring (5) of a bearing arrangement (6) for supporting the hub element (2). To allow an easy production and assembly of the unit, the invention is characterized in that the two parts (2', 2") of the hub element (2) are formed so that each of the parts (2', 2") has an axial stop (7, 8) for one of the inner or outer rings (4', 4", 5), that during assembly of the wheel bearing unit (1) both parts (2', 2") of the hub element (2) are moved axially (a) toward each other into a final relative position so that at least one bearing ring (4', 4", 5) is axially fixed relatively to the hub element (2) and that both parts (2', 2") of the hub element (2) are permanently connected by a welding process (9) in the final relative position. Furthermore, the invention relates to a wheel bearing unit.
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 bearing arrangement (1) comprising a planar first part (2) and a second part (3) that is arranged to be rotatable relative to the first part (2). A rolling bearing (4) is effectively arranged between the two parts (2, 3). In order to design a particularly economic bearing arrangement especially for agricultural uses, the planar part (2) comprises a molded-on piece (5) which has at least one raceway (6) for rolling elements (7) of the rolling bearing (4).
The present invention provides a bearing component for use in a bearing for interference fit applications, the component comprising a rubber layer on a surface thereof, the rubber layer having a modulus of elasticity of 50 MPa or less.
A railway axlebox comprises an axlebox housing (1, 10), whereby the outer surface of the axlebox housing (1, 10) is equipped with a sign (6) being different from a front end cover (3) of the axlebox housing (1, 10), being fixedly fitted to the said housing and having on the side facing outwards from said housing a marking incorporating arbitrary information (8).
Linear actuator device (1), comprising a housing (2), an externally threaded screw (5), a piston (9) and an internally threaded extended nut (7) where the linear actuator (1) comprises a motor 16) having a rotor (21) fixedly attached to the internally threaded extended nut (7) and a stator (23) fixedly attached to the housing (2), where the stator (23) and the rotor (21) are positioned around the extended internally threaded nut (7). The advantage of the invention is that compact electrical linear actuators can be manufactured in an easy and cost-effective way.
Linear actuator device, comprising a housing (102,202), a piston rod (109,209), an electrical motor (116,216) and a transmission means (105,106,305,307) adapted to transfer the rotation of the electrical motor to a linear movement of the piston rod, where the linear actuator device comprises an integrated electrical interface having two signal inputs adapted to extend and retract the piston rod and two signal outputs adapted to indicate a retracted end position (122) and an extended end position (121) of the piston rod.
The invention relates to a wheel end (1), comprising an stub axle (2) and a coaxial hub member (3), wherein the hub member (3) is supported with respect to the stub axle (2) by means of a rolling bearing arrangement (4), wherein the stub axle (2) has a rotational symmetric surface (5) for detachably connecting the stub axle (2) to a vehicle suspension axle (6), having a mating surface (7). To improve the protection of the parts of the wheel end from corrosion, the invention is characterized in that a sleeve (8) is arranged between the surfaces (5, 7) of the stub axle (2) and the vehicle suspending axle (6), wherein the sleeve (8) has an inner surface (9) and an outer surface (10), one of the surfaces (9) mates to the surface (5) of the stub axle (2) and one of the surfaces (10) mates to the surface (7) of the vehicle suspension axle (6), wherein the sleeve (8) is made of metal and wherein the sleeve (8) consists of a corrosion protection layer (11) or is provided on at least one surface (9, 10) with a corrosion protection layer (11).
The invention relates to an assembly aid for a radial cylinder rolling bearing having a mounting structure (10) for mounting rolling elements (12) of the rolling bearing during an assembly process, wherein the rolling elements (12) are supported in a first radial direction (R1) by a first component and in a second radial direction (R2) by the mounting structure (10), and the mounting structure (10) comprises a plurality of axially protruding extensions (16) each engaging in an intermediate space between two rolling elements (12), and the rolling elements (12) overlap the extensions (16) in the second radial direction (R2), and the extensions (16) press the rolling elements (12) against the first component, and the assembly aid can be axially removed from the rolling bearing after completion of the assembly of the rolling bearing.
A device for outputting a lubricant contains the following features: a reservoir volume for the lubricant; at least one metering element, as a result of whose movement lubricant can be output from a metering volume; a sensor for monitoring the filling level of the reservoir volume and/or a sensor for monitoring the movement of the metering element; and a common printed circuit board and/or a common housing part which are configured for both sensors.
F16N 11/08 - Arrangements for supplying grease from a stationary reservoir or the equivalent in or on the machine or member to be lubricatedGrease cups with mechanical drive, other than directly by springs or weights
F16N 13/02 - Lubricating-pumps with reciprocating piston
F16N 29/00 - Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditionsUse of devices responsive to conditions in lubricating arrangements or systems
A lubricant directional control valve contains the following features: - a limited spatial volume (10) with at least two openings for supplying and/or removing the lubricant, - the two openings are arranged in a plane bounding the spatial volume, and - an at least pivotable, motor-drivable rotary element (20) is arranged immediately and substantially closely opposite the plane, said rotary element being designed and being pivotable in such a manner that at least one of the openings or both of the openings can be connected to the spatial volume or can be closed in relation thereto, - the rotary element is designed with at least one penetration (23) which connects the two end sides of the rotary element, - the rotary element itself or an element co-rotating synchronously with the rotary element is designed in such a manner that a rotational position of the rotary element in relation to the spatial volume can be detected, - the rotary element itself or the co-rotating element is formed with a transducer (28) at the angular position of the penetration of the rotary element, - the directional control valve is formed with an actuating element (34, 35, 36) at each of the angular positions of the openings, and the respective actuating element can be actuated when the rotary position of the transducer corresponds with the respective actuating element.
F16K 11/074 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only sliding valves with pivoted closure members with flat sealing faces
F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
The invention relates to a method of predicting when a grease in a grease- lubricated rolling element bearing (10) will reach an unacceptable condition. According to the invention, a time series of a parameter is measured and recorded, whereby the parameter is directly or indirectly indicative of a degree of breakdown of a lubricant film separating the rolling contacts. With the aid of processing means (22), the time series is analyzed, a dynamic model is constructed that predicts the evolution of parameter values, and the model is used to extrapolate the time series. A time at which a predefined limit will be exceeded is then determined from the extrapolated time series, whereby the predefined limit is representative of unacceptable grease condition. The method according to the invention can be used to predict a relubrication interval for an individual grease-lubricated bearing.
The invention relates to a method for producing a bearing carrier (1) for a bearing (2), wherein the bearing carrier (1) comprises a metal sheet, into which a circular recess (3) is made for accommodating the outer ring (4) of the bearing (2), and wherein the recess has a base radius (r0). In order to provide a reproducible precisely working connection possibility between the bearing carrier and the bearing, the method provides the following steps: a) before the production of the recess (3): stamping a depression (5) on at least one circumferential point of the recess (3), wherein the depression (5) has a first region (6) which lies lower axially and a second region (7) which lies higher axially; b) production of the recess (3); c) reforming of the second region (7) which lies higher axially and has remained on the bearing carrier (1), by application of an axially acting reforming force, with the result that a radially inwardly extending projection (10) is formed. Furthermore, the invention relates to a bearing arrangement comprising a bearing carrier of this type and at least one bearing.
The invention relates to a bearing arrangement (1) for an idle roller that at least sectionally designed in a hollow-cylindrical way, having at least one bearing (3) supporting the idle roller jacket (2), wherein a damping layer (5) is arranged directly or indirectly between a ring (4) of the bearing (3) and the idle roller jacket (2), and wherein a sleeve-shaped body (7) is arranged in at least one axial sectional region of the idle roller jacket (2) between the inner cylindrical surface (6) of the idle roller jacket (2) and the damping layer (5). In order to absorb a reduction of the material of the damping layer without tension, the invention provides for the sleeve-shaped body (7) to comprise a gap (9) on at least one circumferential point (8). The invention further relates to a method for producing such a bearing arrangement.
The invention relates to a device for heating at least one axial section of a rotationally symmetrical lateral surface of a workpiece, comprising the following characteristics: rotating means, by which the workpiece can be started to rotate about the rotational axis thereof, and an inductor, the axial extension of which is smaller in a region provided for being disposed opposite the section than an axial extension of the section, which has a location that is provided to be disposed at a defined distance opposite the section, and which is configured in a movable manner such that said location can be displaced at a defined distance along a longitudinal profile of the section. The section has preferably the form of a truncated conical envelope and the workpiece is part of a tapered roller bearing.
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
H05B 6/38 - Coil arrangements specially adapted for fitting into hollow spaces of workpieces
The invention relates to a bearing arrangement (1) for a load-bearing roller designed as a hollow cylinder, at least in sections, comprising at least one bearing (3) supporting the support roller cover (2) wherein a damping layer (5) is arranged directly or indirectly between a ring (4) of the bearing (3) and the load-bearing roller cover (2) and wherein a sleeve-shaped body (6) is arranged in at least one axial section region of the load-bearing roller cover (2) between the inner cylindrical surface of the load-bearing roller cover (2) and the damping layer (5). According to the invention, in order to improve the connection between the damping layer and the sleeve-shaped body, said sleeve-shaped body (6) comprises, at least in the region of the axial extension of the damping layer (5), a plurality of projections (7) extending radially through the sleeve-shaped body (6).
F16C 27/06 - Elastic or yielding bearings or bearing supports, for exclusively rotary movement by means of parts of rubber or like materials
B65G 39/09 - Arrangements of bearing or sealing means
F16F 1/38 - Springs made of plastics, e.g. rubberSprings made of material having high internal friction with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin
55.
DEVICE FOR ATTACHMENT TO A ROTATING PART OF A RAILWAY AXLE
The invention refers to a device for attachment to a rotating part (1) of a railway vehicle incorporating an arrangement, which is adapted, during movement of the railway vehicle, to detect and evaluate parameters related to the railway vehicle service and/or to an incipient fault state of wheel bearings (2) in the railway vehicle, and which device (12) is arranged to emit signals representative for the detected and evaluated parameters.
B61K 9/04 - Detectors for indicating the overheating of axle bearings and the like, e.g. associated with the brake system for applying the brakes in case of a fault
56.
PLAIN BEARING COMPONENT, PLAIN BEARING AND METHOD FOR THE SURFACE TREATMENT OF A PLAIN BEARING COMPONENT
The invention relates to a plain bearing component having a sliding surface for forming sliding contact, wherein the sliding surface has a roughness profile. The plain bearing component according to the invention is distinguished by the fact that the sliding surface is formed in the region of a burnishing layer which extends over the entire depth of the roughness profile.
A device for the metered discharge of a lubricant liquid contains the following features: a main support having channels for a lubricant liquid and a hydraulic liquid and having connections for lines of the liquid; a pump unit having a reciprocating piston system for the metered discharge of the lubricant liquid; a control unit for the movement control of the piston system using the hydraulic liquid, and the connections for a metered discharge of the lubricant liquid are disposed on a side of the main support, which is opposite to the side on which the pump unit, which has reciprocal movement direction of the piston system thereof perpendicular thereto, is fastened.
The invention relates to a bearing arrangement (1) for a load-bearing roller, comprising a load-bearing roller cover (2) which is designed as a hollow cylinder at least in sections, comprising an inner-cylindrical surface (3) and at least one bearing (4) supporting the load-bearing roller cover (2). Said bearing (4) comprises a bearing inner ring (5). According to the invention, in order to improve mounting of said type of bearing arrangement, said bearing arrangement (1) comprises a mounting element (6) that accommodates the bearing inner ring (5) and due to the mounting of the bearing arrangement, the bearing inner ring (5) is pushed in the axial direction (a).
The invention relates to a seal comprising the following characteristics: - a reinforcement element configured in at least one axial section in an annular manner, - the reinforcement element on an axial end thereof comprising at least one axially projecting extension, which is configured with a convexity on the outer casing such that it is provided in a cavity having a correspondingly configured convexity for a snap-fit engagement, and – a sealing element connected to the reinforcement element for the sealed contact with a part that can be rotated and/or moved with regard to the longitudinal direction relative to the cavity.
The invention relates to an actuator, comprising a housing (2), a plate element (3) and a moveable element (6) disposed in the housing, wherein the plate element is pivotably coupled to the housing, the plate element comprising at least a first support means (10) that bears on an inclined surface (7) of the moveable element, which inclined surface inclines towards a front surface (15) of the plate element (3). The moveable element is linearly moveable within the housing (2) in a direction perpendicular to the pivot axis (5) in a plane parallel to a plane of the pivot axis (5). The first support means (10) is adapted to ride on the inclined surface (7) when the moveable element (6) is displaced, which linear displacement causes a rotational displacement of the plate element (3) about its pivot axis (5). The advantage of the invention is an actuator that is compact and reliable.
F16M 11/10 - Means for attachment of apparatusMeans allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
F16M 11/18 - Heads with mechanism for moving the apparatus relatively to the stand
The invention relates to a sensor element that is capable of sensing dynamic loads and/or vibrations in a machine component, the sensor element comprising a multilayer coating (302) deposited on a substrate (300'). The multilayer coating comprises a sensitive layer (304) of a piezoelectric material and a first electrode layer (308) of a metallic material, which electrode layer serves as a first electrode of the sensor element. The substrate (300') may serve as the second electrode. In order to seal any pinholes in the sensitive layer (304) and thereby prevent short-circuiting between the first and second electrodes, the multilayer coating further comprises a pinhole sealing layer (306) deposited on top of the sensitive layer (304), so as to be sandwiched between the sensitive layer and the first electrode layer (308).
H01L 41/113 - Piezo-electric or electrostrictive elements with mechanical input and electrical output
G01L 5/16 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force
The present invention concerns a rolling element bearing (1) comprising an inner ring (3), an outer ring (5) and a plurality of rolling elements (7) disposed therebetween on at least one set of opposing raceways (8, 9), the bearing being provided with at least one piezoelectric sensor (10). The at least one piezoelectric sensor is adapted to operate in bending mode, to sense deformation of the bearing due to bending strain, and is capable of sensing dynamic loads and/or vibrations in the bearing.
Linear actuator device, comprising a housing (2), an externally threaded screw (5), a piston (9) and an internally threaded extended nut (7), where the extended nut (7) consists of a plurality of adjoining cylindrical segments and where each segment is provided with an internal thread adapted to connect the internal thread on an adjoining segment. The advantage of the invention is that linear actuators of different lengths can be manufactured in an easy and cost-effective way.
The present invention concerns a method of calculating the expected life of a hardened metal object in relation to a number of fatigue load cycles exerted on the hardened metal object. The method comprises determining the development of microstructural deterioration as a function of fatigue exposure time, deriving therefrom an equation for the development of a Fatigue Damage Index as a function of fatigue exposure time and relating this equation to a known critical value of the Fatigue Damage Index that leads to material failure. The present invention also provides a method of calculating the remaining life of a hardened metal object subjected to fatigue loading.
G01N 23/20 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by using diffraction of the radiation by the materials, e.g. for investigating crystal structureInvestigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materialsInvestigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by using reflection of the radiation by the materials
F16C 19/00 - Bearings with rolling contact, for exclusively rotary movement
A bearing and sensor unit comprising a rolling element bearing (20) provided with one or more strain sensors (10), where the one or more strain sensors (10) comprises a sensing member (1 1 ) integrated on a support member (12). The support member is attached to a radially inner surface (23) of the bearing inner ring (22) or a radially outer surface (21 ) of the bearing outer ring (24) only at a first attachment place (27) and at a second attachment place (28).
The invention relates to a bearing arrangement (1) for a tension roller (2) designed as a hollow cylinder at least in segments, having at least one bearing (3) supporting the tension roller (2), wherein a damping layer (5) made of elastomer or rubber material is disposed between a ring (4) of the bearing (3) and the tension roller (2), directly or indirectly, and wherein at least one axial end of the tension roller (2) is closed by a cover (6). In order to achieve a low-noise and self-centering seal for the axial end of the tension roller, according to the invention, the cover (6) is disposed in a mounting segment (8) and is held by the same, said segment being molded from the material of the damping layer in an axial end region of the damping layer (5).
The invention relates to a roller-stressed component having a surface designed at least in regions as an iron oxide layer. The iron oxide layer comprises at least 99 weight % iron oxide in the form of a compound structure having the molecular formula Fe3O4 and a maximum of 0.5 weight % of free iron oxide having the molecular formula Fe2O3, not being part of the compound structure, and is designed to be liquid-tight.
C23C 22/68 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous solutions with pH between 6 and 8
A coating arrangement has the following characteristics: - particles having a scratch hardness greater than or equal to 9 and a median grain size that can be determined, - a coating having a thickness equaling approximately half the median grain size, - a coating carrier with a surface comprising recesses, wherein a portion greater than 85% of the recesses compared to a surface surrounding the associated recess is designed with a depth smaller than approximately 10% and/or a opening width smaller than or equal to approximately 15% of the coating thickness, and - the coating is applied to the surface of the coating carrier and surrounds the particles at least at a lower region oriented toward the coating carrier.
C23C 28/00 - Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of main groups , or by combinations of methods provided for in subclasses and
F16D 1/06 - Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
A seal to seal a gap between a rotatable component (4, 18) and a non-rotatable component comprises: A fastening section adapted to be fixedly mounted in relation to the non-rotatable component, a sleeve-like section (3) adapted to be mounted around the rotatable component (4, 18), a resilient section (7) between the sleeve-like and fastening section comprising an arcuate portion (8), and in an unmounted condition, the sleeve-like section (3) has an inner diameter, DSEAL, with a predefined magnitude relative to an outer diameter of the rotating component, DSHAFT,such that 0,9 ≤ DSEAL / DSHAFT ≤ 1,1.
The invention relates to a raceway element of a roller bearing. Said raceway element is characterised in that it comprises at least one rolling surface on which steel roller bearings roll, and said raceway element is designed in such a manner that it has, in the entire depth range of 0 to approximately 40 &mgr;m below the surface of the rolling surface, internal compressive stresses of at least approximately 400 MPa.
The invention refers to a bearing unit for supporting a pinion shaft (8) having at one side a pinion head (8a) and which bearing unit is incorporating a taper roller bearing (1) and an angular ball bearing (5) having a common outer race ring (2), and having separate inner race rings for the taper roller bearing (1a) and for the angular ball bearing (5a), which inner race rings (1a, 5a) are spaced apart a distance along the pinion shaft, wherein the taper roller bearing (1) has a contact angle (α) from 15° to 20°; for absorbing mainly the radial force component of the tooth force at the pinion head and the one-row angular ball bearing (5) has a contact angle (β) of between 35° and 45° for absorbing mainly the axial force coming from the gear mesh and that induced by the taper roller bearing.
F16C 19/16 - 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 a single row of balls
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
A linear bearing cage has the following features: the cage is designed as a hollow cylinder structure and comprises at least two radial passages in which rolling elements can be arranged; at each of the two axial ends, the cage has a stop for delimiting the linear displaceability of the cage relative to an outer race element that at least partially encloses the cage or an inner race element that is arranged in the cavity of the cage,and the stop is designed, on at least one of the two axial ends and in the radial direction, to have an elasticity that can be predetermined, thereby allowing the race element to be axially slid onto or into the cage.
The invention refers to a rocker arm (1) having a first end section (2) at one end of the rocker arm, a central body section (3) having a circular opening (9) and a second end section (4) at the other end of the rocker arm, where the rocker arm comprises a first arm member (5) and a second arm member (6) formed from sheet material such as ferrous or non-ferrous sheet metal, where the two arm members (5, 6) bear on each other at least at the central body section (3) and that the two arm members (5, 6) are permanently joined to each other. The invention further refers to a method for manufacturing a rocker arm. The advantage of the invention is that a cheap, lightweight and stiff rocker arm is obtained that is cost-effective to produce.
The invention relates to a vehicle steering system comprising a hydraulic actuator (13) for generating a steering movement, a rotary hydraulic valve (4) for hydraulically controlling the hydraulic actuator (13), a first electric drive unit (7) for actuating the hydraulic valve (4), and a first coupling element (8) for transmitting torque from the first electric drive unit (7) to the hydraulic valve (4) and preventing torque from being transmitted from the hydraulic valve (4) to the first electric drive unit (7).
B62D 5/30 - Safety devices, e.g. alternate emergency power supply or transmission means to ensure steering upon failure of the primary steering means
B62D 5/09 - Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by means for actuating valves
75.
ROLLING BEARING CAGE FORMED OF A PLURALITY OF INTERCONNECTED SECTOR ELEMENTS AND WEB ELEMENTS
The invention relates to a rolling bearing cage having the following characteristics: - the cage comprises an annular circumferential element from which branch off web elements (20) between which rolling bodies of the rolling bearing can be arranged; - the circumferential element comprises a plurality of identical sector elements (10); - and the initially loose sector elements are interconnected and the initially loose web elements (20) are each connected to one connection point of two sector elements (10).
The invention relates to a method for fixing a bearing ring (1) on or in a component (2) by means of an adhesive connection. In order to improve the fixing process between the bearing ring and the component, the invention comprises the following steps: a) applying the adhesive (3) to or into the bearing ring (1) or to or into the component (2), wherein the adhesive (3) has not yet an adhesive property; b) joining the bearing ring (1) and the component (2) to the desired relative position; c) activating the adhesive (3) in such a manner that it enters an adhesive connection between the bearing ring (1) and the component (2).
F16B 11/00 - Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
F16D 1/068 - Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end non-disconnectable involving gluing, welding or the like
The invention relates to an anti-friction bearing for at least one set of rolling bodies (30) located in a ring, comprising at least one raceway element (10, 20) with at least one raceway, along which the rolling bodies roll. Said bearing comprises the following features: the raceway comprises a raceway base (15, 25) with a circular circumferential line; the raceway element for the rolling bodies comprises axially a respective shoulder (14, 16; 24, 26) or border with a circular circumferential line on each side of the raceway base; and the raceway element is designed in such a way that all central points of the three circumferential lines differ from one another when viewed perpendicularly to the surfaces spanned by said circumferential lines.
F16C 19/16 - 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 a single row of balls
The invention relates to an assembly for sealing access to a chamber that requires sealing, comprising the following features: at least one charging electrode, which can be connected to a pole of a high-voltage source, is located in a first access region; a counter-electrode is located in a second access region lying opposite the first; and the electrodes are synchronized in such a way that an influencing zone, formed between the electrodes, acts on particles that can be influenced and that penetrate from the exterior towards the chamber requiring sealing such that said particles are accelerated away from the chamber requiring sealing.
The invention relates to a wheel bearing (1) for a motor vehicle, particularly for a commercial vehicle, having a wheel bearing unit (2), which supports a wheel hub (3) on an steering knuckle (8) by means of rolling bearings (4, 5, 6, 7) acting axially and radially. In order to reduce the rolling friction to a minimum during the operation of the motor vehicle, the invention provides for the wheel hub (3) to be equipped directly or indirectly with two cylindrical raceways (9, 10) for cylinder rollers (11, 12), and with two raceways (15, 16) for balls (17, 18), placed on the front side in at least one radially extending annular section (13, 14), and for the steering knuckle (8) to be equipped directly or indirectly with two cylindrical raceways (19, 20) for the cylinder rollers (11, 12), and with two raceways (23, 24) for the balls (17, 18), placed on the front side in two radially extending annular sections (21, 22), wherein the cylinder rollers (11, 12) are disposed between the cylindrical raceways (9, 10, 19, 20), and the balls (17, 18) are disposed between the raceways (15, 16, 23, 24).
The invention relates to a locking device to radially lock a rotatable cylindrical element, where the locking device (1) comprises a roller element (2) and at least a first inclined surface (3). The locking device is arranged to be positioned in relation to a cylindrical surface (13) around the cylindrical element (12) in such a way that the distance between a starting point (10) of the first inclined surface (3) and the cylindrical surface (13) is larger than the diameter of the roller element (2) and that the distance between an end point (11) of the first inclined surface (3) and the cylindrical surface (13) is smaller than the diameter of the roller element (2). The locking device further comprises means (6) to selectively enable the roller element (2) to be distanced from the cylindrical surface (13). The advantage of the invention is that a locking device can be obtained in an easy and cost-effective way.
The invention relates to a coating, the main component of which is a high-strength, tenacious and hard metal, wherein the coating is characterized by means of a profile having many acute peaks and valleys at a square-like surface having a lateral length in the range of about one millimeter in at least one surface region, and wherein a portion of those peaks and valleys in this surface region, which protrude over a plane that is a coplanar surface having a distance from the tallest peak within a range of 15 and 30 &mgr;m, greater than about 20%.
C23C 4/12 - Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
C23C 4/04 - Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
82.
Assembly comprising a three-phase machine and a frequency converter
Disclosed is an assembly encompassing a three-phase machine and a frequency converter. Said assembly has the following characteristics: the three-phase machine comprises a stator and a rotor; at least the three circuits of the stator and/or the rotor can be operated in an insulated manner relative to each other for the three phases of the rotary current while being connectable to one separate terminal point of the frequency converter, respectively, so as to be insulated relative to each other; and the frequency converter is embodied with a D.C. link having a grounded neutral in such a way that a voltage or current which is symmetric regarding the potential to ground can be output at any moment between the two associated terminal points of each circuit.
H02K 11/00 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
H02M 1/12 - Arrangements for reducing harmonics from AC input or output
H02P 27/04 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
The invention relates to a differential gear unit (1), especially for a vehicle, having a pinion (2) with a pinion gear (3) and a pinion shaft (4), wherein the pinion shaft (4) is supported in a housing (5) by means of a bearing arrangement (6', 6') and wherein the pinion gear (3) meshes with a gear element (7) which drives a housing of a bevel gear arrangement. To allow a downsizing of the differential gear unit, the invention is characterized in that the pinion gear (3) is surrounded at least partially by a gear pump housing (8), wherein the gear pump housing (8) has at least one opening (9) for allowing the meshing contact between the pinion gear (3) and the gear element (7).
The invention relates to a bearing of a main shaft (5) of a wind power plant comprising the following features: - A first bearing point comprises a roller bearing with at least one row of rollers (40), - the roller bearing comprises at least one conveyor element (10, 20), designed in one piece, on which the rolls (40) for rolling are provided, and - sealing means (45) are disposed directly on the conveyor element (10, 20) for sealing a chamber in which the rollers are located.
The invention relates to a sealing element comprising the following characteristics for sealing a shaft intended for rotating at an opening of a housing part for the shaft: - a reinforcement part (2) and an elastomer part (5) connected to the reinforcement part, - the elastomer part (5) comprising a first sealing region (10) for a statically sealing abutting to the housing part, and - the elastomer part comprising a second sealing region (20) having a sealing section (22) configured and intended for the sealing abutting to the shaft, the section comprising a thread-like return structure for returning a leakage fluid in a chamber to be sealed, and being configured such that it has a self-contained line (26) in the circumferential direction extending on a circular cylinder casing at the free axial end thereof when having the sealing section abut to the shaft as intended, wherein the line is provided for the sealing abutment to the shaft at least in the case of a non-rotating shaft.
The invention concerns a bearing assembly comprising an inner ring, an outer ring and rolling elements, the inner ring and outer ring being rotatably coupled by means of the rolling elements. The rolling elements are disposed on opposing raceways within a bearing cavity and are retained in a cage. The bearing is provided with a lubricant and further comprises at least one sealing element, mounted in an annular gap between the inner and outer ring. To prevent the lubricant adhering to predetermined surfaces within the bearing cavity which do not require lubrication, at least one of these predetermined surfaces is provided with an oleophobic coating. One advantage of the invention is that the lubricant ages less quickly, leading to improved bearing service life.
Linear actuator device, comprising a housing (2), an externally threaded screw (5), a piston (9) and an internally threaded extended nut (7), where the extended nut (7) comprises a plurality of longitudinal segments (40) having longitudinal edges (39) parallel to a center axis (18) of the internally threaded nut (7), where each segment (40) has an identical radius of curvature and an angle of curvature of less than 360°, so that the circumference of the internally threaded nut (7) is formed by at least two segments (40). One advantage of the invention is that linear actuators of different lengths can be manufactured in an easy and cost-effective manner.
Linear actuator device, comprising a housing (2), an externally threaded screw (5) mounted to a piston (9), an internally threaded extended nut (7) and a motor (16) comprising a stator (33) and a rotor element (30) positioned around the extended nut (7), wherein a plurality of first magnets (31) of the rotor element (30) are positioned in relation to the stator (33) such that the stator (33) lies between the extended nut (7) and the first magnets (31) of the rotor element (30). The advantage of the invention is that linear actuators with a high energy density can be manufactured in an easy and cost-effective manner.
The present invention concerns a differential gearbox for a vehicle, comprising a housing (1) accommodating two opposite side gears (16) on a common shaft axis for driving two axle shafts (14) and at least one planet gear (15) between the side gears and a crown gear (2) mounted on the housing for receiving torque from the vehicle engine via a pinion gear or intermediate gear for driving the axle shafts, wherein the housing is provided with a polygon- shaped crown gear receiving surface (4) concentric with the shaft axis, where said polygon receiving surface is tapered relative to said shaft axis, and wherein the crown gear is provided with a corresponding tapered polygon- shaped bore (5).
A torque transfer unit wherein a torque is transferred between two members which are rotatable around an axis (X), in particular between a constant velocity joint and its associated hub for a driven wheel of a motor vehicle, is provided with a connector (130, 230, 330, 530, 630, 730, 830, 930, 1030) also rotatable around the axis (X). The connector comprises a first part (131, 531, 731, 931 ) with a first connector surface (131 a, 331 a, 531 a, 631 a, 731 a, 931a) for mating with the first member (110, 510, 710, 910), and a second part (132, 532, 732, 932) with a second connector surface (132a, 332a, 532a, 732a, 932a) for mating with the second member (120, 520, 620, 720, 820, 920, 1020). Both first and second parts extend substantially axially along the axis (X) so that the radial distance from the first part to the axis (X) is greater than the radial distance from the second part to the axis (X). The connector further comprises a third part (133, 533, 733, 933) for interconnecting the first and second parts. Preferably, the mating surfaces have non-circular cross-sections and taper along the axis (X).
F16D 1/093 - Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hubCouplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with hub and longitudinal key with radial clamping due to axial loading of at least one pair of conical surfaces using one or more elastic or segmented conical rings forming at least one of the conical surfaces, the rings being expanded or contracted to effect clamping
A device for mixing a first, gaseous fluid with a second, liquid fluid comprises a discharge element for the second fluid for discharging the second fluid into a space for mixing the two fluids, wherein the discharge element is formed in such a way that a discharged amount of less than 5000 nl can be discharged in a discharge interval.
F16N 7/30 - Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the oil being fed or carried along by another fluid
The invention relates to a bearing arrangement (1), comprising at least one grease- lubricated bearing (2, 3) with a bearing region (4, 5) where rolling elements or a sliding element (6, 7) are arranged. To improve the assembly and the lubrication of the bearing arrangement, the invention is characterized in that at least one oil-collecting element (8, 9) is arranged near the bearing (2, 3), wherein a transport element (10, 11) connects the oil-collecting element (8, 9) with the bearing region (4, 5).
F16C 33/66 - Special parts or details in view of lubrication
F16C 17/10 - Sliding-contact bearings for exclusively rotary movement for both radial and axial load
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
93.
A WHEEL BEARING UNIT AND A CONSTANT VELOCITY JOINT
The invention concerns a wheel bearing unit for a vehicle, said wheel bearing unit comprising a rotating bearing inner ring member (1) with a wheel mounting flange (4), and comprising a non-rotating bearing outer ring member (2), wherein the inner ring member (1) has a central bore for receiving a drive section (11), wherein the central bore (21) and the drive section (11) are coupled to each other in a tapered polygon drive connection comprising a tapered polygon drive section (11) with a tapered polygon-shaped cross-section and a tapered central inner ring bore (21) with a corresponding polygon-shaped cross-section. Hereby, a wheel bearing unit is provided having a high torque carrying capacity by means of a play-free drive connection with substantially zero backlash.
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
F16D 1/092 - Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hubCouplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with hub and longitudinal key with radial clamping due to axial loading of at least one pair of conical surfaces the pair of conical mating surfaces being provided on the coupled hub and shaft
F16D 3/223 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
The present invention relates to seal assembly comprising a flinger and an elastomeric sealing lip, wherein the flinger comprises a cylindrical portion and a flange portion extending radially outwards therefrom, and wherein the cylindrical portion is formed from a steel material having on a surface thereof a black oxide layer, which surface engages with a portion of the elastomeric sealing lip.
A device for removing particles from a flowing gas-like medium which contains the particles comprises the following features: a) a channel for carrying the medium, b) a corona charge electrode, which can be connected to one pole of a high-voltage DC source, is arranged in a first area of the channel boundary, and c) an opposing electrode is arranged in a second area, opposite the first area, of the channel boundary.
B03C 3/08 - Plant or installations having external electricity supply dry type characterised by presence of stationary flat electrodes arranged with their flat surfaces parallel to the gas stream
A method for lubricating a rolling element bearing by an ultra low viscosity volatile fluid comprises injecting a liquefied fluid flow into the bearing, lubricating rolling contacts between the rings and the rolling elements of the bearing by the liquefied fluid, providing a flow restriction for the liquefied fluid so as to maintain at least part of the fluid at a pressure which is above the evaporation pressure which is defined by evaporation of the fluid at the temperature or temperatures which prevail(s) in the bearing.
The invention concerns a wheel hub bearing unit for a vehicle, said hub bearing unit comprising a rotating bearing ring member (1 ) and a non-rotating bearing ring member (2), where the rotating bearing ring (1 ) has at least a radially extending wheel mounting flange (4) with a reference flange surface (5); wherein a layer of an electrolytically sacrificial metal or metal alloy is provided by an electric arc spraying process on the flange surface (5).
The invention relates to a sheet metal sleeve (1) provided in a vehicle wheel end assembly (10), where the assembly comprises a hub element (12) with a radially extending wheel-mounting flange (14) and an axially extending spigot (18), and further comprises a brake rotor (20) and/or a wheel rim (16) attached to the wheel-mounting flange and centred on the spigot. The sheet metal sleeve (1 ) is mounted over the spigot (18), and to provide corrosion protection to the spigot and any components centred thereon, at least the radially inner and outer surfaces of the sheet metal sleeve consist of a sacrificial metal that has a higher galvanic potential than the metallic components with which the sleeve surfaces are in contact.
The invention concerns a wheel hub bearing unit for a vehicle, said hub bearing unit comprising a rotating bearing ring member (1) and a non-rotating bearing ring member (2), where the rotating bearing ring (1 ) has at least a radially extending wheel mounting flange (4) with a reference flange surface (5), wherein a gasket (9) with at least a sacrificial metal gasket surface is provided on the flange surface (5). Hereby, corrosion protection of the surface of the wheel mounting flange of a hub bearing unit is realized in a cost-effective manner.
The invention concerns a sheet metal shield (1) that is adapted to be mounted against a radially extending flange (15) of a flanged hub (11), where the flanged hub is made of a metallic material and further comprises a shaft section (13) that is adapted to be coupled to a rotating part of at least one rolling element bearing (23). In order to provide the radially extending flange (15) with corrosion protection, at least the surface of the shield (1) that is in contact with the flange (15) consists of a sacrificial metal with a higher galvanic potential than the metallic material from which the flange (15) is made. Thus, in the presence of an electrolyte such as moisture, the shield (1) will sacrificially corrode to protect the flange (15). The invention also concerns a wheel end assembly provided with a sacrificial sheet metal shield.
