An installation structure for grease sensor includes a housing having a through-hole. A resilient grommet is installed in the through-hole. The resilient grommet has an installation hole. A probe of the grease sensor extends from a base and is inserted into said installation hole such that the end of the probe extends into the interior of the housing to contact the grease. The inner surface of the resilient grommet is resiliently pressed against the outer surface of the probe to form a tightly sealing interface. This kind of installation structure allows effective grease sealing, and convenient and stable installation.
The present disclosure provides a system for detecting the contamination condition of lubricating grease of a mechanical component. The system comprises a radio frequency signal generator, a sensor, a switch assembly and a radio frequency signal analyzer. The radio frequency signal generator generates a radio frequency signal with a frequency higher than 1.0 GHz. The sensor contacts lubricating grease to be sensed in the mechanical component. The switch assembly switches between a first mode, in which a radio frequency signal is transmitted through a first transmission path, thereby providing a first feedback signal for the radio frequency signal analyzer, and a second mode in which the radio frequency signal is transmitted through a second transmission path, thereby providing a second feedback signal for the radio frequency signal analyzer. The radio frequency signal analyzer analyzes the first and second feedback signals to detect the contamination condition of lubricating grease.
A device for processing a digital signal includes a Farrow structure (14) that applies to the digital signal a time-varying sample rate conversion from the fixed sample rate to a time varying sampling. The digital signal sampled at the time varying sampling is a resulting signal. The Farrow structure (14) is controlled from a control variable. A spectral analysis means (15) performs a spectral analysis of the resulting signal to determine the frequency values of the resulting signal. A determining means (16) determines a sparseness parameter of the frequency values of the resulting signal. A controlling means (17) modifies the control variable according to the value of the sparseness parameter.
A device includes a lower support cap, an upper bearing cap, at least one bearing disposed between the caps and at least one annular seal. The seal provides a claw secured by mechanical connection to the upper support cap, a sealing lip extending obliquely from the claw in the direction of the upper bearing cap.
B60G 15/06 - Resilient suspensions characterised by arrangement, location, or type of combined spring and vibration- damper, e.g. telescopic type having mechanical spring and fluid damper
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
A grounding brush assembly includes a grounding brush having a plurality of conductive fibers and a support including a mounting portion housing the conductive fibers and first and second lateral flanges extending from the mounting portion and fitting axially around the conductive fibers. A mounting plate is integral with the support and is provided with at least one radial portion extending radially outwardly relative to the mounting portion of the support. The free end of the radial portion of the mounting plate at least partially defines the outer diameter of the assembly.
A grounding brush assembly includes a brush having a plurality of conductive fibers and a support having a mounting portion housing conductive fibers and first and second lateral lips extending from the mounting portion and axially gripping the conductive fibers. The assembly includes a mounting plate connected with the support and provided with at least one radial portion extending radially outwardly from the mounting portion of the support. The mounting plate has an axial portion extending axially from the radial portion, at least partly radially surrounding the mounting portion of the support and being spaced radially apart radially from the mounting portion. Further, a retaining portion extends radially inwardly from the axial portion.
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
A method for heat treating a steel component includes heating the component to a temperature at or above the austenitizing temperature and holding the component at or above the austenitizing temperature for a time sufficient to at least partially austenitize the steel, cooling the component to a first temperature in a temperature range of 200° C. to 270° C. and holding the component in the temperature range for at most 6 hours, thereby transforming at least a portion of the austenite into bainite, cooling the component to a temperature of from −30° C. to 30° C., thereby forming martensite; and reheating the component to a second temperature in the temperature range, holding the component in the temperature range for at most 6 hours and then cooling the component to a temperature of from −30° C. to 30° C., thereby transforming a further portion of the austenite into bainite and forming tempered martensite.
A bearing assembly, preferably a wheel bearing assembly, includes at least one first ring and at least second ring, at least one of the first and second rings being rotatable and a bearing interior being defined between the first and second rings. The first ring(s) are designed to be attached with press fit to a component formed of a first material with a first coefficient of thermal expansion, the first ring (s) being formed of a second material with a second coefficient of thermal expansion different than, preferably lower than, the first coefficient of thermal expansion. At least one seal unit is provided to seal an axially outer side of the bearing assembly and includes a carrier element formed of a third material with a third coefficient of thermal expansion, the third coefficient of thermal expansion is at least as high as the first coefficient of thermal expansion.
The present disclosure discloses a chip for monitoring performance of a motor and a performance monitoring system for a rotating apparatus. The system includes a sensing module, including a plurality of sensing sensors. The sensing module detecting a working state of the rotating apparatus and generating a working condition signal. A diagnosis module receives the working condition signal from the sensing module, determines a performance state of the rotating apparatus based on the working condition signal, and generates a performance state detection result. The performance state detection result includes a normal performance state and an abnormal performance state. A communication module sends an alarm signal to a central control platform when the performance state detection result is the abnormal performance state. The sensing module, the diagnosis module and the communication module are integrated on the same chip.
A condition monitoring device (2) that mounts on a machine. The condition monitoring device (2) includes a base (4), a circuit board (6), at least one sensor (8), and a connector 10. The base (4) is secured on the machine. The circuit board (6) is mechanically connected to the base (4). The at least one sensor (8) is mounted on the circuit board (6). The connector (10) is supported by the base (4) and connects the circuit board (6) to an external power supply (12).
A bearing unit includes a radially inner ring, a radially outer ring comprising a lubricant inlet, a plurality of rolling bodies interposed between the inner ring and the outer ring, and a first seal. The first seal includes an axially outer sealing ring, an axially inner sealing ring, and a first sealing lip formed on an axially inner surface of the axially inner sealing ring and extending axially inward to make sealing contact with an axially outer surface of the axially inner sealing ring. The first sealing lip prevents lubricant from flowing from an interior of the bearing unit to an exterior of the bearing unit at a first axial end of the bearing unit, and the first seal is disposed axially outside the inlet of the radially outer ring.
A sensor bearing unit includes a bearing having a first ring and a second ring centered on an axis, an impulse ring secured to the first ring of the bearing, and a sensor device configured to detect rotational parameters of the impulse ring. The sensor device includes a sensor housing secured to the second ring of the bearing and at least one inductive sensor comprising a reference coil and a sense coil supported by the sensor housing and configured to cooperate with the impulse ring. A length of a circumferential spacing between the reference coil and the sense coil is greater than or equal to a circumferential length of the reference coil and greater than or equal to a circumferential length of the sense coil.
G01D 5/20 - Mechanical means for transferring the output of a sensing member; Means 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 converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
A bearing includes a first ring and a second ring capable of rotating concentrically relative to each other, and at least one distance sensor mounted on the first ring and facing a surface of the second ring to measure radial displacements between the first and second rings. The bearing further includes a control unit connected to the distance sensor and adapted to calculate the value of a deflection of the bearing by subtracting a predetermined value from the value of the relative radial displacement between the first and second rings detected by the distance sensor.
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
A transmission belt includes a belt member, and at least one sensor attached to the belt member that is configured to measure a parameter indicative of a state of the transmission belt. A transmitter is attached to the belt member and configured to transmit a signal indicative of the state of the transmission belt to a receiver. The transmission belt includes a power system configured to provide power to the at least one sensor and/or the transmitter, and the power system includes a power source and an energy converter. The energy converter is configured to receive energy, convert the received energy to electrical energy and provide the electrical energy to the power source.
The invention relates to a planet carrier (1) comprising a first and a second cylindrical disc (2, 2'), which discs are coaxial with a shared axis of rotation (A), and the respective bases of which discs face one another, wherein: the first and the second disc (2, 2') have a plurality of axial outer bores (12, 12'); the outer bores (12, 12') extend in parallel with the axis of rotation (A); the outer bores (12, 12') of the first and the second disc (2, 2') are aligned with one another and the outer bores (12, 12') are designed to accommodate planet bearings for mounting the planetary gears or planetary shafts; spacer elements (14) are provided between the first and the second disc (2, 2'), which spacer elements are designed as elements which are separate from the first and the second disc (2, 2') and are in contact with the first and the second disc (2, 2'); and the spacer elements (14) are designed to maintain a defined spacing between the first and the second disc (2, 2').
A sealing device for a motorcycle suspension provided with an armature on which an elastomeric covering is mounted, said covering comprising a first radially outer portion, for providing a dynamic seal with a first component of the motorcycle suspension, and a second radially inner portion for providing a guide and a static seal with a second component of the motorcycle suspension, on which the sealing device is mounted; the elastomeric covering is integrally connected to the armature and the radially outer portion has at least one first, flexible, annular sealing lip which projects, protruding in a radially and axially external direction so as to cooperate, during use, in a sliding manner, with a surface of the first component of the motorcycle suspension.
F16J 15/3232 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
B62K 25/06 - Axle suspensions for mounting axles resiliently on cycle frame or fork with telescopic fork, e.g. including auxiliary rocking arms
F16J 15/16 - Sealings between relatively-moving surfaces
F16J 15/3216 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip supported in a direction parallel to the surfaces
F16J 15/3252 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports
F16J 15/3284 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
Disclosed is a bearing component (1) that is comprised of a plurality of radially and/or axially extending layers (2, 4, 6), wherein the plurality of layers (2, 4, 6) are applied one atop the other using a cold-spray method.
A bearing device includes a bearing provided with an inner ring and an outer ring that rotate concentrically relative to one another. A vibration sensor measures vibrations of the bearing. The bearing device includes a first determining means (10) for determining values of at least a first statistical parameter and a second statistical parameter (P1, P2, P3, P4, P5, P6), a modelling means (11) for modelling the values of the first and statistical parameters with normal distributions, a second determining means (12) for determining a detection threshold (Sd) from the normal distributions during the training period, a third determining means (13) for determining a score (Sc) during normal operation of the machine (1) from the values of the two statistical parameters and the normal distributions, and a comparing means (14) for determining the failure of the bearing (4) from the detection threshold (Sd) and the score (Sc).
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
A bearing assembly includes an inner ring having an inner raceway and an outer ring disposed about the inner ring and having an outer raceway. A plurality of rolling elements, preferably balls, are disposed between the inner ring and the outer ring such that each one of the rolling elements rolls simultaneously upon the inner raceway and the outer raceway. The inner ring and/or the outer ring is formed of a lightweight composite material, the composite material including a mixture of a base polymer, reinforcing fibers and a lubricant, preferably polyoxymethylene, glass fibers and silicone. Further, each one of the inner raceway and the outer raceway is formed such that each ball contacts two separate points on the inner raceway and contacts two separate points on the outer raceway such that the bearing assembly is configured to support loading in both directions along a central axis.
A rolling bearing is intended to be mounted on a machine and includes a first ring, a second ring, at least one row of axial rolling elements and at least one row of radial rolling elements arranged between the first and second rings. Each of the first and second rings is provided with frontal faces axially delimiting each ring. The rolling bearing further includes at least one first distance sensor mounted on one of the first and second rings and provided with a sensing face oriented axially outward to measure the axial distance between one of the frontal faces of the one ring and a first assembly surface of the machine axially facing the frontal face of the 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
A rolling bearing is intended to be mounted on a machine and includes a first ring, a second ring, and at least one row of axial rolling elements and at least one row of radial rolling elements arranged between the two rings. Each of the first and second rings has two frontal faces axially delimiting each ring. At least the first ring is formed as a split ring including a first ring part and a second ring part axially stacked, the first ring part having a frontal face axially bearing against a facing frontal face of the second ring part. At least one first distance sensor is mounted on one of the first and second ring parts of the first ring to measure an axial distance between the frontal faces of the two ring parts.
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 method of heat treating a steel component includes (i) providing the steel component, (ii) nitriding the steel component at a temperature of 800 to 920° C. and a pressure of 20 to 50 mbar for 30 minutes to 8 hours to form a nitrided steel component, and (iii) after step (ii) heating the nitrided steel component at a temperature of 800 to X° C. and a pressure of 1400 to 3000 mbar for at least 30 minutes, where X° C. is about 80° C. less than a melting temperature of the steel and is preferably about 1250° C. to 1350° C.
A cutting ring assembly for a tunnel boring machine includes a fixed axle, an inner ring rotationally fixed to the axle and having an inner raceway on a radially outer surface, a cutting ring having a radially inner surface forming an outer raceway, and a plurality of rolling elements between the inner raceway and the outer raceway supporting the cutting ring on the inner ring for rotation relative to the axle.
E21D 9/10 - Making by using boring or cutting machines
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
A double-row one-way bearing includes a bearing outer ring and a bearing inner ring coaxially arranged around a central axis. Spherical rollers are arranged between the bearing outer ring and the bearing inner ring. Wedges are radially arranged between the bearing outer ring and the bearing inner ring relative to the central axis, and spaced apart from the spherical rollers in the axial direction. Each wedge is provided with a groove at the side away from the bearing inner ring. A cage is coaxially arranged with the bearing outer ring and the bearing inner ring and provided with roller holding portions and wedge holding portions. The spherical rollers are respectively held in the roller holding portions and the wedges are respectively held in the wedge holding portions. An elastic limit ring passes through the groove of each wedge to apply a radially inward force to each wedge.
A bearing unit includes a radially outer ring, a radially inner ring, a row of rolling bodies interposed between the radially outer ring and the radially inner ring and a cage for retaining the rolling bodies, where the cage includes a rib with a circular base and a plurality of circumferentially spaced fingers defining a plurality of pockets for holding the respective rolling bodies of the row of rolling bodies. Also, a plurality of inserts formed separately from the cage, each of the plurality of inserts being inserted inside seats of corresponding adjacent pairs of fingers of the plurality of fingers to limit circumferential deformation of the fingers.
A sensor module (8) for detecting a mechanical vibration of a component (4). The sensor module (8) includes a base (12) having a central portion (24), a first end portion (26) and a second end portion (28). The base (12) secures to the component (4). At least one spacer (14) is connected to the base (12). A circuit board (18) is connected to the base (12) by the at least one spacer (14). The central portion (24) of the base (12) is provided with a concave edge (52) and with an opposite convex edge (54) defining the width of the central portion (24). The at least one spacer (14) is connected to the central portion (24) of the base (12) closer to the concave edge (52) than the convex edge (54).
G01H 11/08 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices
A cage includes a first sub-part having a plurality of first partitions integrated as a whole and a plurality of first pocket portions formed by adjacent first partitions. A second sub-part has a plurality of second partitions integrated as a whole and a plurality of second pocket portions formed by adjacent second partitions. A first recess is provided on the first partition belonging to a first set of the plurality of first partitions. A second pin extends along an axial direction from the second partition belonging to a second set of the plurality of second partitions. The second pin is fixed in its corresponding first recess. The first set of first partitions includes any one or more of the plurality of first partitions. The second set of second partitions includes any one or more of the plurality of second partitions and correspond to the first set of first partitions respectively.
A mechanical assembly includes an inner member, an outer member disposed about the inner member, a bearing inner ring, a bearing outer ring and a plurality of balls disposed between the two rings. The inner member has an outer circumferential surface with an outside diameter, which has a tolerance of greater than +/−0.00125″. The outer member has an inner circumferential surface with an inside diameter, which has a tolerance of greater than +/−0.002″. The inner ring has an annular groove with an inside diameter and the outer ring has an annular groove with an outside diameter. The balls are disposed within the two grooves and has a diameter sized such that the sum of twice the diameter plus the inside diameter of the inner ring groove is greater than the outside diameter of the outer ring groove, thereby establishing an internal preload in the 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 27/04 - Ball or roller bearings, e.g. with resilient rolling bodies
29.
METHOD FOR DETERMINING WHETHER DEFECTS ARE PRESENT IN THE MATERIAL OF A CERAMIC COMPONENT
A method for determining whether a defect is present in a ceramic component includes determining a temperature difference between a first temperature and a second temperature based on an intended use of the ceramic component, bringing the ceramic component to a first temperature, after bringing the ceramic component to the first temperature, bringing the ceramic component to a second temperature, performing a resonance ultrasound spectroscopy on the ceramic component after bringing the ceramic component to the second temperature to produce an ultrasound spectrum of the ceramic component, comparing the ultrasound spectrum with a reference spectrum to determine a degree of similarity between the ultrasound spectrum and the reference spectrum, and determining from the degree of similarity whether the defect is present in the ceramic component.
A rolling bearing includes an outer ring, an inner ring, and a plurality of rolling bodies between the rings. The outer ring includes a first and a second annular raceway, both formed on an inner lateral surface of the outer ring, and an axial shoulder extending in a radially inward direction and formed between the two raceways. The axial shoulder includes a first curvilinear portion formed by a first arc of a first circle with a first radius of curvature and a geometric center projected in a radially inward direction, and a second curvilinear portion formed by a second arc of a second circle comprising a second radius of curvature and a geometric center projected in a radially outward direction. The two curvilinear portions are flush connected to one another by an inflection point, the inflection point representing a tangent point of the first and second circles.
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
A cage segment for a segmented bearing cage includes first and second end walls configured to oppose first and second end surfaces of a rolling element and a first side wall and a second side wall extending from the first end wall to the second end wall and defining with the first and second end walls end a pocket for receiving the rolling element. The first and second side walls are configured to oppose a curved side surface of the rolling element. The first and/or second end wall includes at least one protrusion extending into the pocket that is configured to contact an end surface of the rolling element. Also an assembly of the cage segment and the rolling element.
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
32.
SENSOR MODULE FOR DETECTING A VIBRATIONAL BEHAVIOR OF A COMPONENT
A sensor module (8) is disclosed for detecting a mechanical vibration of a component. The sensor module (8) includes a base (10) to be secured on the component. A circuit board (12) is mechanically connected to the base (10). The circuit board (12) has a first side (16) facing the base (10) and a second side (18) facing away from the base (10). A casing (34) inside which is housed the circuit board (12). The casing (34) includes only three contact areas against which the second side (18) of the circuit board (12) abuts.
G01H 11/08 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices
33.
SENSOR MODULE FOR DETECTING A VIBRATIONAL BEHAVIOR OF A COMPONENT AND INCLUDING A LEAK-PROOF LIGHT GUIDE
A sensor module (24) for detecting a mechanical vibration of a component. The sensor module (24) includes a base (26) to be secured on the component, a light emitter (50), a circuit board (28), and a casing (52). The circuit board (28) is mechanically connected to the base (26). The circuit board (28) has a first side (32) facing the base (26) and a second side (34). The light emitter (50) is disposed on the second side (34). The circuit board (28) is housed inside the casing (52). The casing (52) includes a cover (54) and a light guide (56) facing the light emitter (50). The cover (54) has a through-hole (60) inside which extends the light guide (56). One of the cover (54) or the light guide (56) is overmolded on the other.
G01H 11/08 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices
A ball bearing includes an inner ring (1), an outer ring (2), and a ball (3). The inner ring (1) has an inner ring groove curvature radius Ri. The outer ring (2) has an outer ring groove curvature radius Re. The ball (3) has a ball diameter Dw. The ratio of the outer ring groove curvature radius Re to the ball diameter Dw satisfies: Re/Dw≥0.5275; and/or the ratio of inner ring groove curvature radius Ri to the ball diameter Dw satisfies: 0.5175≤Ri/Dw≤0.55. The ball bearing may be accommodated in a housing, thereby forming a ball bearing assembly.
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
A cage includes a first sub-part having a plurality of first partitions integrated as a whole and a plurality of first pocket portions formed by adjacent first partitions. A first engaging portion is formed on at least one of the first partitions. A second sub-part includes a plurality of second partitions integrated as a whole and a plurality of second pocket portions formed by adjacent second partitions. A second engaging portion is formed on at least one of the second partitions. A pocket is formed by the first pocket portion and its corresponding second pocket portion. Each first engaging portion snaps with its corresponding second engaging portion. The cage overcomes the harmful umbrella effect found in a one-piece polymer prong-type cage, so that the bearing equipped with this cage can operate under very high speeds. The cage can be part of a ball bearing.
A device for machining a surface of a workpiece includes a workpiece holder configured to rotate the workpiece about a workpiece rotational axis, a tool having a tool rotational axis and at least one blade having a blade radius of curvature and a tool holder configured to position the tool such that an active point of the blade comes into engagement with the workpiece and configured to pivot the tool about the tool rotational axis and to configured to move the tool with an advancing motion such that the active point of the blade shifts along the blade. The advancing motion is defined by a curve having at least a first radius of curvature and a second radius of curvature.
B23B 1/00 - Methods for turning or working essentially requiring the use of turning-machines; Use of auxiliary equipment in connection with such methods
37.
SUPPORT ASSEMBLY FOR FOOD APPLICATIONS HAVING AN IMPROVED SEAL
A support assembly for a moveable, rotating, or sliding shaft includes a casing and a cover. The casing includes a front edge defining an opening and a radially external lateral surface having an annular seat. The annular seat includes an annular groove axially spaced from the front edge and connected to a number of axial grooves that interrupt at least part of the front edge. The cover includes an annular coupling portion extending toward the radially external lateral surface of the casing. The annular coupling includes at least one pair of teeth formed on a radially inside surface of the annular coupling portion and projecting radially inward, each pair of teeth spaced circumferentially from each other, and a plurality of radially internal projections. A bottom wall of the annular groove includes a plurality of depressions alternating with a plurality of projections.
An electrical machine includes a non-rotating part, a rotating part, at least one bearing that includes a rotating ring and a non-rotating ring and supports the rotating part, a grounding brush fixed and secured to the non-rotating part, and having a free end extending towards the rotating ring of the bearing, and a conductive layer covering a portion of a surface of the rotating ring of the bearing such that the free end of the grounding brush is in contact with the conductive layer.
H02K 11/40 - Structural association with grounding devices
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
A bearing assembly includes an inner ring with an inner raceway and disposable about a first member and an outer ring with an outer raceway disposed about the inner ring. A middle ring is disposed between the inner and outer rings and has an inner intermediate raceway and an outer intermediate raceway and is configured to connect with a second member so as to be rotatable about a central axis through the first member. A first set of rolling elements is disposed between the inner ring and the middle ring and a second set of rolling elements is disposed between the outer ring and the middle ring. The outer ring is sized such that a ratio of the outside diameter to the axial width is greater than eight to one (8:1) and the middle ring is formed of a material different than the inner and outer rings.
F16C 19/08 - 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 two or more rows of balls
A bearing unit includes an inner ring, an outer ring, and a sealing device interposed between the inner and outer ring. The sealing device includes first annular screen joined to the radially outer ring and a second annular screen joined to the radially inner ring and facing the first screen. The first screen includes a first gasket made of an elastomeric material, and the second screen includes a second sealing gasket made of an elastomeric material. The second gasket includes an elastically deformable non-contacting annular lip projecting from a radially outer peripheral edge of the second screen. The non-contacting annular sealing lip is contained at least partially within an annular groove of the outer ring in an un-deformed configuration, and the non-contacting annular lip is configured to flex in a radially and axially inward direction and contact the annular groove in a deformed configuration.
A lubricator control system includes a lubricator, an Internet-of-things platform, and an application server. The lubricator is configured to communicate with the application server in a long-distance and low-power consumption wireless communication mode, the lubricator is configured to communicate with the Internet-of-things platform via 5G-NB-IoT communication and to send target information to the Internet-of-things platform in the long-distance and low-power consumption wireless communication mode, and the Internet-of-things platform is configured to send the target information to the application server. In addition, the application server is configured to receive the target information and to send corresponding target response information to the Internet-of-things platform, and the Internet-of-things platform is configured to send the target response information to the lubricator via 5G-NB-IoT communication in the long-distance and low-power consumption wireless communication mode.
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control (DNC), flexible manufacturing systems (FMS), integrated manufacturing systems (IMS), computer integrated manufacturing (CIM)
A lubricator control system includes a lubricator, a LoRa gateway, an Internet of Things platform and an application server. The lubricator is configured to communicate with the application server in a long-distance and low-power consumption wireless communication mode and to communicate with the Internet of Things platform based on a LoRaWan communication protocol and to send target information to the LoRa gateway. The LoRa gateway is configured to forward the target information to the Internet of Things platform, and the Internet of Things platform is configured to send the target information to the application server. The application server is configured to receive the target information and to send corresponding target response information to the Internet of Things platform. The Internet of Things platform is configured to send the target response information to the LoRa gateway, and the LoRa gateway is configured to forward the target response information to the lubricator.
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control (DNC), flexible manufacturing systems (FMS), integrated manufacturing systems (IMS), computer integrated manufacturing (CIM)
A lubricator control method includes reading current configuration information including periodic oil filling time and periodic reporting time, controlling a lubricator to wake up from a sleep state to perform an oil filling task when the periodic oil filling time is reached, controlling the lubricator to switch to the sleep state after the oil filling task ends normally or an abnormal alarm is provided, controlling the lubricator to wake up from the sleep state to perform a data reporting task through a wireless network when the periodic reporting time is reached, controlling the lubricator to switch to the sleep state after the data reporting task is completed.
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control (DNC), flexible manufacturing systems (FMS), integrated manufacturing systems (IMS), computer integrated manufacturing (CIM)
44.
LOW FRICTION SEALING DEVICE AND ASSOCIATED ROLLING BEARING
A rolling bearing includes an inner ring, an outer ring, a plurality of rolling elements housed between the inner ring and the outer ring, and a sealing device. The sealing device includes a first shield connected to the inner ring, a second shield connected to the outer ring to rotate therewith, a first sealing element connected to the second shield and provided with a sealing lip contacting the first shield, and a second sealing element connected to the first shield and facing a radially outer section of the first sealing element, defining a channel therebetween inclined at an acute angle to a common axis of symmetry of the shields and delimited between a conical smooth lateral surface of the first sealing element and a lateral surface of the second sealing element arranged opposite and parallel to the first lateral surface and provided with a plurality of steps.
F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
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
45.
METHOD FOR DECIMATING SAMPLES BY A FLOAT NUMBER AND
ASSOCIATED DEVICE, SENSOR, AND MACHINE
The device (8) for decimating samples of a continuous signal by a float number. The device includes interpolating means (11) configured to determine intermediate samples. A determining means (12) is configured to determine intermediate set of samples comprising the samples and the intermediate samples. A filtering means (13) is configured to filter the intermediate set of samples to determine one final value from an odd number of consecutive samples of the intermediate set of samples and to remove frequencies below a first cut-off frequency (F3) equal to the predetermined sampling frequency divided by two within a predetermined tuning value.
The sensor (8) includes control means (12) configured to switch the sensor (8) in the sleep mode when the sensor is in an active mode and when receiving a sleep mode signal. The sensor is configured to take measurements and to send measurements to a gateway in the active mode, and is configured to stop taking measurements and disconnect from the gateway in the sleep mode.
A sealing system includes a casing with an internal seat, a front edge, an opening, and a radially external lateral surface defining an annular seat. The annular seat includes an annular groove axially spaced from the front edge, itself including one or more mechanical stops, and a plurality of axial grooves connected to the annular groove and interrupting radially at least part of the front edge. The annular groove defines a bottom wall provided with projections spaced from one another and defining depressions, the projections circumferentially offset from the axial grooves. The sealing system further includes a cover with a bottom wall and an annular coupling portion. A radially inner surface of the annular coupling portion includes teeth projecting radially inward and spaced circumferentially from each other. The annular seat is configured to receive the at least one pair of teeth of the annular coupling portion of the cover.
F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
F16C 35/04 - Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
48.
SEALING CAP OR COMPONENT OF A SEALING DEVICE FOR A ROLLER BEARING, ASSOCIATED ROLLER BEARING, IN PARTICULAR FOR A HUB BEARING UNIT, AND ASSOCIATED METHOD
A sealing system for a roller bearing including a first annular shield and a first sealing cover. A first face of each that includes a coupling surface that is covered with a rubbery coating made of a synthetic rubber. The coupling surface of the first annular shield is coupled to a corresponding coupling surface of a rotating ring of the roller bearing, and the coupling surface of the first sealing cover is coupled to a corresponding coupling surface of an outer ring of the roller bearing. Each of the first annular shield and the first sealing cover is pressed from a metal sheet with a first face entirely rubberized with the rubbery coating.
A bearing unit comprising rolling elements, housed in a radially inner mounting seat of a casing. The bearing unit includes a radially outer and stationary coated ring provided with a metal ring and a liner of elastomeric material integral with a radially outer surface of the metal ring, a radially inner ring, which is rotatable with respect to an axis of rotation (X), and a row of rolling elements interposed between the coated ring and the radially inner ring. The elastomeric material of the liner is a vulcanized thermoplastic material. The liner is co-molded onto the radially outer surface of the metal ring and may include a cylindrical body and at least two annular protuberances which fit inside corresponding anchoring grooves formed on the surface of the metal ring.
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
A sealing device for sealing a bearing unit against external contaminants is arranged substantially inside a cavity of the bearing unit and is provided with two annular metal screens and a sealing element made of elastomeric material. The sealing element is rigidly connected to a rotary one of the two annular screens and is provided with a shaped protrusion projecting radially outwardly from a stationary one of the two annular screens to define, together with the stationary screen, an annular opening of the sealing device. The stationary screen and the sealing element also together defining a drainage and flow channel in communication with the outside of the sealing device through the annular opening, in which the drainage and flow channel is entirely linear and extends in an exclusively radial direction within the sealing device to and from the opening.
Bearing (20) for a machine (26), such as a hot leveler, in which at least part of said bearing (20) will be subjected to a temperature of at least 150°C during use of said machine (26), whereby the bearing includes a high temperature-resistant lubricating grease (22) comprising a thickener and synthetic base oil. The high temperature- resistant lubricating grease (22) has a dropping point of at least 250°C and an NLGI consistency grade of 1.0 to 1.5, and a high temperature-resistant seal (24).
The bearing comprises a first ring (16) and a second ring (18) centered on an axis, each of the first and second rings being provided with an outer cylindrical surface (16b), with an inner cylindrical surface (16a), and with lateral faces (16c) which axially delimit the outer and inner cylindrical surface. One of the inner and outer cylindrical surfaces (16a) and/or one of the lateral faces (16d) of the first ring comprise a textured area (40, 42) provided with at least two first and second parallel grooves extending radially and axially, with a single inner protrusion disposed between and along the two parallel first and second grooves, with a first lateral outer protrusion disposed alongside the first groove, and with a second lateral protrusion disposed alongside the second groove, the first and second lateral outer protrusions extending respectively along the first and second grooves.
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
53.
BEARING DEVICE WITH INTEGRATED ELECTRICAL INSULATION, IN PARTICULAR FOR AN ELECTRIC MOTOR OR MACHINE, AND METHOD OF FORMING SAME
A bearing device includes first and second rings each having end faces and being configured to rotate relative to one another, and the second ring has an annular groove. A socket having an electrically insulating sleeve is mounted on the second ring with the insulating lining radially interposed between the second ring and the socket. End faces of the electrically insulating lining each have an annular groove with a bottom that is offset axially inward relative to the respective first and second end faces of the second ring and to the respective first and second end faces of the socket. A method includes grinding end faces of the socket and/or second ring to reduce an axial depth of the grooves in the insulating layer.
F16C 19/04 - 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
Disclosed is a planet carrier (1), which has a cylindrical disc shape with an outer and an inner lateral face (3, 6), wherein the inner lateral face (3) defines a central inner bore (4), wherein the planet carrier (1) has a plurality of outer bores (12), arranged around the central inner bore (4), for supporting planet gears, wherein the outer bores (12) furthermore are designed to receive planet bearings to support the planet gears, wherein at the inner and/or outer lateral face (3, 6), a lubricating passage (14, 18) is provided at least in some regions.
A bearing unit includes a radially outer ring having seats formed in a radially inner surface thereof, a radially inner ring, a row of rolling bodies, and at least one sealing device interposed between the rings. Each sealing device includes a shaped shield, an elastomer coating overmolded on the shaped shield, and an anchorage formed on the elastomer coating. The anchorage includes a radially external anchoring lip received by the seat of the radially outer ring that includes a root portion and a projection distal to the root portion. The anchorage also includes an annular cavity formed on a radially internal side thereof, where an axial length of the annular cavity is greater than an axial length of the projection and the anchoring lip is flexed radially inward and at least partially fills the annular cavity.
F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
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
A bearing unit includes rolling bodies between radially inner and outer rings and a seal element extending between the rings, the seal element including a metallic shield and an elastomeric coating overmolded on the shield. The coating includes an anchor body mounted in a seat of the outer ring, and the anchor body includes a first anchor lip on an axially inner side of the anchor body contacting the seat of the radially outer ring and a second anchor lip located on an axially outer side of the anchor body contacting and forming a seal at a location on the radially outer ring. A concave radially outwardly facing connecting surface extends from the first anchor lip to the second anchor lip and is configured to reduce a compression of the anchor body when the anchor body is inserted into the seat.
F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
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
A wheel hub assembly includes a wheel hub unit having a radially outer ring with a first metal surface, a radially inner ring with a third metal surface, and a plurality of rolling bodies interposed between the inner ring and the outer ring. The hub assembly includes a suspension pillar with a second metal surface butt coupled to the first metal surface of the radially outer ring, and a constant velocity joint having a fourth metal surface butt coupled to the third metal surface of the radially inner ring. A coating having a plurality of hard particles and made of an organic matrix or an inorganic matrix covers at least one of the first metal surface and the third metal surface.
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
Method for characterizing a non-metallic inclusion population (24) in a finished or semi- finished component (10) comprising a metal alloy, such as steel. The method comprises the steps of cutting and polishing the finished or semi-finished component (10) to provide an inspection plane (20) and scanning at least one control area (22) that constitutes at least part of the inspection plane (20). The method also comprises the steps of using automated optical microscopy and image analysis software to automatically count non- metallic inclusions within the at least one control area (22) and measure or determine at least one morphological parameter, such as an area and/or a length and/or a width and/or an aspect ratio, and a position of non-metallic inclusions within the at least one control area (22) to produce measured data. The method further comprises the step of processing the measured data using an Extreme Value Analysis (EVA) or a Generalized Pareto Distribution (GPD) analysis technique to characterize the non-metallic inclusion population (24) in the finished or semi-finished component (10).
The present invention provides an imide composition obtainable by a process which comprises the steps of:
(a) reacting a dianhydride with a diamine in the presence of a solvent at a temperature in the range of from 20-80° C., wherein the molar ratio of the dianhydride (A) to the diamine (B) is in the range of from 0.25-4 (A/B), thereby forming an imide precursor; and
(b) subjecting at least part of the imide precursor as formed in step (a) in the presence of a solvent to a heat treatment which is carried out at a temperature in the range of from 80-150° C. to convert at least part of the imide precursor into an imide, thereby forming the imide composition. The invention also provides a preservative composition comprising the present imide composition; a metal article having a coating thereon which coating comprises the present preservative composition; a process for preparing the imide composition; the use of the present imide composition to prevent and/or reduce false brinelling in a roll bearing system; and the use of the present preservative composition to prevent and/or reduce false brinelling in a roll bearing system.
A sealing assembly for bearings, in particular for use in agriculture, comprising a primary sealing barrier and a secondary sealing barrier, which are arranged in series along a potential path (P) of ingress of contaminants into the bearing, and have, respectively, a first seal and a second seal with a plurality of contact lips. The contact lips of the first and second seal with a plurality of contact lips may be static lips that do not rotate about an axis (A) of rotation of the bearing.
F16J 15/3256 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals
F16J 15/3232 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
A support assembly for a shaft includes a bearing unit adapted to receive the shaft and a cover for sealing the bearing unit. The bearing unit includes a radially outer ring and a radially inner ring, and the cover includes a bottom wall, a side wall integrally connected to the bottom wall, and a engaging portion extending from a distal end of the side wall. The engaging portion forms a dynamic seal with an axially outer annular surface of the radially outer ring. The cover is secured to the radially inner ring of the support assembly.
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
F16C 35/04 - Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
62.
BEARING UNIT WITH ROLLING BODIES FOR USE IN THE FOOD AND BEVERAGE INDUSTRY
A bearing unit with rolling bodies for use in the food and beverage industry, for example. The bearing unit may have a high resistance to wear and to corrosion and may have a radially outer ring, stationary, a radially inner ring, rotatable with respect to an axis of rotation (X), and a sealing and protection device mounted on the radially inner ring and on opposite sides of the radially outer ring, both to protect the radially outer ring from the action of external contaminants and to prevent any such external contaminants from getting into a gap between the radially outer ring and the radially inner ring. The bearing unit may further have protective layer being arranged in contact with the radially inner ring, and being made of composite polymeric material to isolate and protect the radially inner ring from external contaminants.
A bearing unit with rolling bodies for use in the food and beverage industry, for example, is disclosed herein. The example embodiments disclosed herein provide that of a bearing unit comprising a radially inner ring including a stainless steel collar with a raceway, on which two sleeves made of reinforced polymeric material are co-molded on opposite sides. Such example embodiments incorporate corrosion resistance properties of a polymeric material without losing the surface hardness properties. As such, the radially inner ring of the bearing unit offers same nominal load values as inner rings are made entirely of metal, but with better corrosion resistance without losing the surface hardness properties.
A bearing unit includes at least one first ring and at least one second ring, the at least one first ring and the at least one second ring being rotatable relative to each other and defining a bearing interior between them. Each first ring is designed to be attached to a component with a press fit, the component being formed from a first material with a first coefficient of thermal expansion. The first ring(s) is/are formed from a second material with a second coefficient of thermal expansion that is different than the first coefficient of thermal expansion and the first ring(s) are provided, on a side facing the bearing interior, with at least one insert element. The insert element(s) are formed from a third material with a third coefficient of thermal expansion, the third coefficient of thermal expansion being at least as great as the first coefficient of thermal expansion.
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
65.
FRONT TOOTHING ON AN INNER RING OF A WHEEL HUB AND ASSOCIATED EQUIPMENT
A method and equipment for forming a front toothing having a plurality of radial teeth on an annular collar of an inner ring of a wheel hub, wherein a plurality of first knives are axially and sequentially impressed on the annular collar and have a first predetermined circumferential profile (P1) configured to form radial reliefs which are spaced by imprints and have a rounded circumferential profile corresponding to the profile of the ridges of the radial teeth to be obtained; thereafter, a plurality of second knives are axially and sequentially impressed on the annular collar inside the imprints and have a third predetermined circumferential profile (P3) configured to reproduce in reverse at least part of respective opposite flanks of the radial teeth of the front toothing to be obtained.
B21D 53/10 - Making other particular articles valve seats or the like
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
66.
METHOD FOR FORMING A FRONT TOOTHING ON AN INNER RING OF A WHEEL HUB AND ASSOCIATED EQUIPMENT
A method and equipment for forming a front toothing having a plurality of radial teeth on an annular collar of an inner ring of a wheel hub, wherein a plurality of first knives are axially and sequentially impressed on the annular collar and have a first predetermined circumferential profile (P1) configured to form radial reliefs which are spaced by imprints and have a rounded circumferential profile corresponding to the profile of the ridges of the radial teeth to be obtained; thereafter, a plurality of second knives are axially and sequentially impressed on the annular collar inside the imprints and have a third predetermined circumferential profile (P3) configured to reproduce in reverse at least part of respective opposite flanks of the radial teeth of the front toothing to be obtained.
B21D 53/10 - Making other particular articles valve seats or the like
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
A tapered roller bearing having a diameter of less than 1.5 m includes an inner ring having at least one inner raceway, an outer ring having at least one outer raceway and at least one set of tapered rollers between the inner ring and the outer ring that are configured to roll on the at least one inner raceway and on the at least one outer raceway about a tapered-roller rotational axis while the tapered roller bearing is configured to rotate about a bearing rotational axis. An angle formed by the bearing rotational axis and the tapered-roller rotational axis is greater than 450 and is preferably between 500 and 55°.
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 33/36 - Rollers; Needles with grooves in the bearing surfaces
A bearing device includes a bearing having an inner ring and an outer ring, at least one of the inner and outer rings being capable of rotating concentrically relative to the other ring. A fiber optic sensor includes an array of optical strain gauges mounted on the inner ring or on the outer ring of the bearing and an optical interrogator is configured to measure the deformations of the inner ring or the outer ring from the optical strain gauges. A command device commands the optical interrogator, a first determining device determines a statistical parameter from random samples of measurements, and a second determining device determines the load acting on the bearing from the statistical parameter and a predetermined relationship between the statistical parameter and the load.
G01L 5/00 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
F16C 19/52 - Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
G01L 1/24 - Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis
G01B 11/16 - Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
A plain bearing includes an outer sliding-surface element and an inner sliding-surface element enclosed by the outer sliding-surface element. The outer sliding-surface element is divided along a substantially flat surface that includes the main axis of the sliding bearing and has, at least at one axial end, a radially encircling groove. A ring configured to fixedly hold together the divided outer sliding-surface element is inserted in the groove.
A lubricant pump system includes a pump assembly which has a housing with an interior pumping chamber having an inlet. At least one pumping unit is disposed at least partially within the pumping chamber and is configured to displace lubricant from the pumping chamber through an outlet. The housing has a pump interface with an opening fluidly coupleable with the pumping chamber inlet and a pump valve controlling lubricant flow through the pump interface opening. A reservoir includes a body connectable with the pump housing and having a central axis, an interior storage chamber for containing a quantity of lubricant and a reservoir interface engageable with the pump interface. The reservoir interface includes an opening fluidly coupleable with the storage chamber and fluidly coupleable with the pump interface opening. The reservoir body includes a reservoir valve controlling lubricant flow through the reservoir interface opening.
F04B 23/02 - Pumping installations or systems having reservoirs
F04B 17/03 - Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
F04B 9/04 - Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
Pillow block assembly (10) for supporting a shaft for rotating about an axis of rotation, the pillow block assembly (10) comprising a bearing housing (20), having an interior (26) accommodating a shaft bearing, and a seal assembly (30), the bearing housing (20) being split along a first plane accommodating the axis of rotation into a first bearing housing half (22) and a second bearing housing half (24), wherein the seal assembly (30) comprises at least one radial shaft seal (32) with at least one seal lip (34), preferably comprising a spring means (36) adapted to bias the seal lip (34), and a spacer (40) adapted to be fitted around the shaft and adapted to rotate with the shaft, the spacer (40) having a radially outwardly directed first sealing surface (42), wherein the seal assembly (30) further comprises a cover (50) at least partially surrounding the first sealing surface (42) of the spacer (40), wherein the cover (30) is reversibly secured to the housing (20), and wherein the radial shaft seal (32) is arranged to seal between the cover (50) and the first sealing surface (42) of the spacer (40).
F16J 15/3212 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip provided with tension elements, e.g. elastic rings with metal springs
F16C 35/04 - Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
72.
BEARING ASSEMBLY, IN PARTICULAR FOR AN ELECTRIC MOTOR
A bearing assembly includes a bearing having a first ring, a second ring rotatably disposed relative to the first ring, and a plurality of rolling elements in a bearing interior defined by the first ring and the second ring, and an electrical insulator on the first ring. The electrical insulator has an annular carrier supporting a layer of electrical insulation, and the layer of electrical insulation is disposed between the first ring and the annular carrier. The annular carrier is formed from at least one strip-shaped carrier blank bent into a ring and having a first end connected to a second end at a joint in a material-bonded and/or interference-fit manner. Also a method of forming the bearing assembly.
A bearing includes a first ring and a second ring capable of rotating concentrically relative to one another and a system for determining wear of the bearing in a machine. The system for determining wear includes identifying means for identifying a set of parameters of the machine acting on the load applied on the bearing, measuring means, conditioning means, determining means, first determining means, second determining means, and third determining means for determining the state of wear of the bearing according to the value of the representative parameter.
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 19/52 - Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Downloadable software for preparing, creating and providing reports, and for collecting, storing, sharing, processing and analyzing data, and producing notifications and alerts Platform as a service (PAAS) software featuring computer software platforms for preparing, creating and providing reports, and for collecting, storing, sharing, processing and analyzing data, and producing notifications and alerts
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) Downloadable software for preparing, creating and providing reports, and for collecting, storing, sharing, processing and analyzing data, and producing notifications and alerts. (1) Platform as a service (PAAS) software featuring computer software platforms for preparing, creating and providing reports, and for collecting, storing, sharing, processing and analyzing data, and producing notifications and alerts.
76.
MACHINE COMPONENT WITH A COATING AND PROCESS FOR MAKING THE SAME
The invention relates to a machine component (10) having a first tribological surface, which first tribological surface, during machine operation, is adapted to be in-contact with a second tribological surface of another machine component (20), wherein at least part of the first tribological surface is covered with a coating which comprises a first coating layer (11) and a second coating layer (12), wherein the first coating layer comprises a protective coating composition and the second coating layer comprises an organically modified silane composition, wherein the organically modified silane used in the organically modified silane composition contains one or more amine groups, wherein the first coating layer is in direct contact with at least part of the first tribological surface, and wherein the second coating layer is in direct contact with at least part of the first coating layer. In addition, the invention relates to a process for preparing the coating on the first tribological surface of the machine component; and the use of the coating for protecting a machine component.
A bearing assembly includes a bearing having a first bearing ring, a second bearing ring rotatably disposed relative to the first bearing ring, and a plurality of rolling elements in a bearing interior defined by the first bearing ring and the second bearing ring. Also, at least one layer of non-metallic material on the first bearing ring configured to conduct heat away from the first bearing ring and to electrically insulate the first bearing ring and to fill at least one cavity between the first bearing ring and a component to which the first bearing ring is mounted. The at least one layer may be a first layer of a heat-conducting material and a second layer of a different, electrically insulating material.
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Coatings; protective surface coatings for metals. Application of protective surface coatings to machines,
machine parts and tools; protective treatment of machines,
machine parts and tools by laser.
79.
MAGNETIC IMPULSE RING, BEARING UNIT AND ROTARY ELECTRICAL MACHINE COMPRISING A MAGNETIC IMPULSE RING, AND METHOD TO OBTAIN A MAGNETIC IMPULSE RING
A magnetic impulse ring having a central axis that includes a target holder and a target that is fixed to the target holder. The target provides a plurality of alternating South and North magnetic poles. The target is adapted to cooperate with magnetic detection means for tracking the rotation of the magnetic impulse ring around its central axis. The Total Pitch Deviation (TPD) of the magnetic impulse ring is less than or equal to 0.5%.
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
A bearing assembly, particularly refrigerant lubricated bearing assembly, having at least an inner ring and an outer ring, which are rotatable to each other. At least one bearing ring is made from a nitrogen-alloyed stainless steel having a nitrogen (N) content of more than 0.6 wt.-%. A method for manufacturing such a bearing ring is also provided.
A support unit for a roll shaft of a continuous casting guide roll includes a housing having first axial end face, a second axial end face and a through-opening extending from the first axial end face to the second axial end face, a first cover connected to the first axial end face, a first primary isolator arranged radially between the first cover and the roll shaft, and a bearing in the through opening. On a first side of the bearing, a first closed space is partially defined by the bearing, the first cover and the first primary isolator, and the first closed space is pre-filled with a lubricant.
B22D 11/06 - Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
An electrically conductive assembly for preventing current flow through the raceways of a bearing includes a mounting ring disposeable within a retention groove of an outer member or a bearing outer ring and is formed of an electrically conductive elastic material. The mounting ring has two circumferential ends spaced apart and is deflectable inwardly such that the two circumferential ends displace generally toward each other to reduce the outside diameter of the ring for installation into the retention groove. An arcuate conductor has an outer radial end attached to the mounting ring, an inner radial end engageable with the shaft or the bearing inner ring and two circumferential ends spaced apart to define an arcuate gap when the conductor is installed about a shaft or a bearing inner ring. An electrically conductive path extends between the shaft and the outer member through the arcuate conductor and the mounting ring.
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
04 - Industrial oils and greases; lubricants; fuels
07 - Machines and machine tools
12 - Land, air and water vehicles; parts of land vehicles
41 - Education, entertainment, sporting and cultural services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Lubricants and greases. Ball and roller bearings, parts thereof and accessories
thereto; seals for bearings, bearing housings, bevel gears,
pulleys, crankshafts; machinery components, especially
couplings, transmissions, cardan joints. Bearings for vehicles, bearing units and axle boxes for land
vehicles; brake drums and discs, crankshafts, couplings,
transmissions, gear wheels and gear boxes, tappets and wheel
hubs, all for land vehicles; airframe components, flight
control rods and cables, aero-engine bearings, rudder
bearings; wheels and castors for land vehicles; brake drums. Education, instruction and teaching, namely in the field of
technical products and services; providing on-line
publications (not downloadable) in the field of technical
products and service. Engineering; technical expertise services and technical
advice in the field of mechanical, technical and industrial
production; product research and development; construction
and engineering drafting and drawing; industrial design;
industrial research, namely technical project studies and
research regarding mechanical, technical and industrial
production; material testing; calibration (measuring);
consulting services in the field of design, selection,
implementation and use of computer hardware and software
systems for others; integration of computer systems and
networks; computer programming for others; monitoring
computer systems of others and providing back-up computer
programs and facilities; monitoring security control and
quality control of products and material.
84.
SUPER-PRECISION ROLLING BEARING FOR HIGH-SPEED APPLICATIONS AND HIGH CONTACT PRESSURES, AND ASSOCIATED METHOD
A super-precision rolling bearing includes a first ring having a first raceway, a second ring having a second raceway, and a plurality of rolling elements arranged between the first and second raceways. The first and/or second ring is made of a hardened and tempered nitriding steel core having a first predetermined hardness and a nitrided surface layer coating at least the first raceway and containing nitrides in an amount to give the nitrided steel layer a second predetermined hardness greater than the first predetermined hardness.
A bearing assembly includes a housing having an annular recess, an inner ring disposed within the recess and having an inner raceway, and an outer ring disposed about the inner ring and within the housing recess and having an outer raceway. At least one intermediate ring is disposed radially between the inner ring and the outer ring and has an inner intermediate raceway and an outer intermediate raceway. A first set of rolling elements is disposed between the inner ring and the at least one intermediate ring and a second set of rolling elements is disposed between the outer ring and the at least one intermediate ring. A biasing member(s) is configured to bias the inner ring or the outer ring axially toward the other one of inner ring and the bearing outer ring so as to establish a preload within the two sets of rolling elements.
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
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
(1) Coatings; protective surface coatings for metals. (1) Application of protective surface coatings to machines, machine parts and tools; protective treatment of machines, machine parts and tools by laser.
88.
CONFORMANCE TEST APPARATUS, SENSOR SYSTEM, AND PROCESSES
Conformance testing of a rebuilt motor includes disposing a motor under test in a motor test stand, coupling a plurality of sensors to the motor under test including a first vibrational sensor to the motor under test; a first temperature sensor to the motor under test; a first rotational speed sensor to the motor under test. A set of test parameters are received comprising parameters for a conformance test, the test parameters including a vibrational sensor parameter, a temperature sensor parameter, and a rotational speed parameter. A motor under test is placed in an on-state and a processing device receives sensor data simultaneously from the sensors, determines that the rotational speed satisfies the rotational speed parameter, and stores time sampled sensor data received from the plurality of sensors relative to a time zero corresponding to a time when the rotational speed satisfies the rotational speed.
H02P 23/14 - Estimation or adaptation of motor parameters, e.g. rotor time constant, flux, speed, current or voltage
G01M 13/026 - Test-benches of the mechanical closed-loop type, i.e. having a gear system constituting a closed-loop in combination with the object under test
G01M 15/02 - Testing of engines - Details or accessories of testing apparatus
A sensor bearing unit includes a bearing, which has a first ring and a second ring, both rings being centered on an axis, and an impulse ring. The impulse ring includes a target holder, a target mounted on the target holder, and a sleeve secured to the first ring of the bearing. The sleeve is provided with an axial portion having at least one radial protrusion and a collar extending at least partially radially. The target holder is mounted radially around the axial portion of the sleeve and axially between the first ring of the bearing and the collar of the sleeve. The at least one radial protrusion of the sleeve axial portion extends into a complementary recess provided on the target holder.
G01D 11/02 - Bearings or suspensions for moving parts
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
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Coatings; protective surface coatings for metals Application of protective surface coatings to machines, machine parts and tools; protective treatment of machines, machine parts and tools by laser
91.
METHOD OF FORMING RACEWAY ELEMENT INCLUDING A CONTOURED JOINT EDGE
A method includes separating a strip of sheet metal from a sheet metal body by a combination of punching and laser cutting, the strip having a first joint edge having at least one first alignment element and a second joint edge having at least one second alignment element complementary to the at least one first alignment element, folding a longitudinal edge portion of the strip to form a flange, bending the strip into a ring and materially bonding the first joint edge to the second joint edge, installing the ring on a radially inner circumferential surface or a radially outer circumferential surface and mounting a plurality of rolling-elements on the ring. The first joint edge and the second joint edge are formed by the punching, and side edges connecting the first joint edge and the second joint edge are formed by the laser cutting.
B23K 26/364 - Laser etching for making a groove or trench, e.g. for scribing a break initiation groove
F16C 19/34 - 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
A plain bearing includes an outer sliding surface element and an inner sliding surface element enclosed by the outer sliding surface element. The outer sliding surface element is divided along a substantially planar surface that includes the main axis of the sliding bearing and is formed with at least one radially encircling groove on the outer surface. A rubber-elastic or elastomeric is inserted in the at least one groove such that the ring holds together or retains the divided outer sliding surface element.
Disclosed is an estimation system (1) for estimating the service life of a grease lubricated bearing (6), wherein the estimation system (1) comprises a processing unit (4) for determining a duration of a churning phase of the grease lubricated bearing (6) and for estimating a service life of the grease lubricated bearing (6) based on the determined duration of the churning phase.
A bearing element of a bearing unit includes a substrate, a first coating on the substrate and a second coating on the first coating. The first coating is configured to increase a wear resistance of the substrate and includes a first solid lubricant, and the second coating is softer than the first coating and includes a second solid lubricant. The solid lubricants of the first and second coatings may be MoS2, and the first coating may include between 3 and 30 at % Ti.
F16C 33/66 - Special parts or details in view of lubrication
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
A cylindrical roller bearing includes at least one outer ring with a raceway, an inner ring with a raceway, and a plurality of cylindrical roller elements rollable along the raceways of the inner ring and the outer ring. The raceway of the inner ring has an at least partly crowned profile, the crowned profile having a crowning radius R and is formed such that: 25 L2/D < R < 55 L2/D, in which L is the length of each one of the cylindrical roller elements and D is the diameter of each one of the cylindrical roller elements.
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 sensor bearing unit comprising:
a bearing comprising first and second rings, each provided with an outer cylindrical surface, an inner cylindrical surface, and lateral surfaces, and
an impulse ring provided with a target holder being axially mounted against one of said lateral surfaces, and comprising a fixing portion secured to the first ring and coming into radial contact with said one of cylindrical surfaces and an abutment portion coming into axial contact with said lateral surface.
A sensor bearing unit comprising:
a bearing comprising first and second rings, each provided with an outer cylindrical surface, an inner cylindrical surface, and lateral surfaces, and
an impulse ring provided with a target holder being axially mounted against one of said lateral surfaces, and comprising a fixing portion secured to the first ring and coming into radial contact with said one of cylindrical surfaces and an abutment portion coming into axial contact with said lateral surface.
Besides, at least one of the lateral and cylindrical surfaces is provided with a textured area comprising a plurality of ribs, and the abutment portion and/or the fixing portion of the target holder is made of a hard material and comprise a soft coating covering the hard material and inside which the ribs are engaged.
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
Casing of a bearing unit for food applications, made of polymeric material and provided internally with a spherical seat for housing the bearing unit, the casing having a reinforcement in the form of a metal ring co-molded inside the casing and accommodated around the spherical seat of the casing.
A cage (1) for a bearing (2), wherein the cage (1) comprises a side wall portion (3) extending circumferentially about a central axis (4) of the cage (1). The side wall portion (3) comprises a central opening (5) aligned with the central axis, wherein the cage (1) comprises a circumferential cage bar (6) extending from a radially outer portion of the side wall portion (3). Also, the cage bar (6) is configured to keep rolling elements (7) of the bearing (2) separated. The side wall portion (3) comprises a plurality of recesses (8) extending radially outwards about the central axis (4) from the central opening (5).
F16C 23/08 - Ball or roller bearings self-adjusting
F16C 33/42 - Ball cages made from wire or sheet-metal strips
F16C 33/54 - Cages for rollers or needles made from wire, strips, or sheet metal
F16C 33/66 - Special parts or details in view of lubrication
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 cage (1) for a bearing (2), wherein the cage (1) comprises a side wall portion (3) extending circumferentially about a central axis (4) of the cage (1). The side wall portion (3) comprises a central opening (5) aligned with the central axis, wherein the cage (1) comprises a circumferential cage bar (6) extending from a radially outer portion of the side wall portion (3). Also, the cage bar (6) is configured to keep rollers (7) of the bearing (2) separated. The side wall portion (3) comprises a plurality of recesses (8) extending radially outwards about the central axis (4) from the central opening (5). The outward face side of the annular region of the side wall portion (3) comprising the recesses (8) is coincident with the ones of other annular regions of the side wall portion (3) or is axially inwards indented as against these. The recesses (8) remain without any firm lock enabling movement of a lubricant between opposite axial sides of the side wall portion (3) of the cage (1).
F16C 23/08 - Ball or roller bearings self-adjusting
F16C 33/42 - Ball cages made from wire or sheet-metal strips
F16C 33/54 - Cages for rollers or needles made from wire, strips, or sheet metal
F16C 33/66 - Special parts or details in view of lubrication
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
100.
GUIDE ROLLER WITH INTEGRATED OPTICAL SENSORS AND CONTINUOUS CASTING MACHINE
A guide roller for a continuous casting machine includes a roller seat having bearings, a roller shaft mounted for rotation in the roller seat and at least one roller body mounted on the roller shaft and configured to support a billet. A passive optical sensor is mounted to the roller seat and configured to output optical signals, and an optical fiber extends from the passive optical sensor and is configured to convey the optical signals to a processor configured to determine one or more physical parameters of an installation position of the passive optical sensor based on the optical signals.
