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WO/2012/004086 |
A pressurized backup lubricant reservoir (36) with a lubricant line (31) to a rotor bearing (21). A control valve (43) on the backup lubricant line is normally closed. A monitor/controller (44) monitors multiple parameters of the bearing...
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WO/2011/160651 |
Industrial environments are traditionally noisy, this makes it difficult to do condition monitoring of bearings in such environments. One method according to the invention uses acoustic signals to determine bearing condition. To reduce t...
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WO/2011/160652 |
A machine and/or a bearing is usually analyzed by several different methods, each one looking at a different aspect of a machine/bearing. This is at least in part due to the fact that we do not know what sort of failure it will be and wh...
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WO/2011/160650 |
In machine/bearing condition monitoring it is has been discovered that frequencies up to about 2.5 kHz, in most practical uses up to 1 kHz, only has background noise. Thus according to the invention, the energy in the frequency spectrum ...
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WO/2011/163536 |
Power transmission monitoring systems includes rotation speed sensors mounted to hubs of a power transmission pulley. A sensor comprises a rotation sensing device, and a controller receiving rotation data therefrom and determining rotati...
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WO/2011/154197 |
The invention relates to a method and an anti-friction bearing for detecting bearing tilting of raceways of the anti-friction bearing, wherein a rotational movement between the two raceways is detected by means of a stationary sensor whi...
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WO/2011/151240 |
In a method for verifying drive train systems for vehicles on a test bench, real load states corresponding to real driving manoeuvres are applied to the drive train in a controlled manner by means of a test bench automation system, where...
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WO/2011/151339 |
The invention relates to a method and device for adjusting the bearing play in a ceramic hybrid bearing comprising rolling elements in the form of balls or rollers made of a ceramic material and an outer and an inner bearing shell made o...
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WO/2011/144614 |
The present invention relates to a differential pressure measuring device (7), in particular for a degree of pollution monitoring unit (6) of a filter unit (1). In order to achieve high measuring accuracy, the differential pressure measu...
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WO/2011/131826 |
A bearing arrangement comprising a first part (1) having a bearing surface (1a), a second part (2) having a surface being made of an electrically conductive material and being arranged in sliding contact with the bearing surface (1a),and...
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WO/2011/131828 |
An arrangement for detecting axial movement of a shaft (9), which arrangement comprises a first part (1) and a second part (2), the second part (2) comprising a surface (2a) being made of an electrically conductive material. The shaft is...
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WO/2011/124501 |
The invention relates to a measuring system for a rolling bearing, in particular a wheel bearing, comprising two sensors (11, 30; 10, 32) enabling detection of the effects of a source of interference when determining a measurement value ...
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WO/2011/123014 |
A method for digital processing of vibration signals from rolling bearings in rotating machines is presented, allowing subsequent fault detection with high reliability. A linear, adaptive filter is applied to the acquired vibration signa...
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WO/2011/117718 |
A measuring and transmitting bolt or threaded element for a railway bogie comprises a head (9) defined in which is a seat (8), and a threaded stem (10) defined in which is a hole (11), a miniaturized vibration sensor (3), a transmitter (...
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WO/2011/117020 |
The invention relates to an apparatus and a method for determining a damage state of a wheel bearing (12), which accommodates a wheel (15) with a tyre (9) arranged on a rim (8) in such a manner that the wheel can be rotated on an axle, i...
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WO/2011/114006 |
In the method for the condition monitoring of electric and mechanical drives, the measurement data in the condition monitoring system of electric drives is collected at least from one electric drive. The measurement data is pre-treated, ...
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WO/2011/114419 |
Provided is a deterioration detection device for a vehicle component device capable of detecting deterioration for the vehicle component device on the basis of more precise analysis. A control unit (50) performs a process for estimating ...
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WO/2011/107107 |
It should be possible to reliably monitor a bearing, in particular of an electric machine, without great installation effort. Therefore, a bearing module is provided, which is a fixed, exchangeable assembly for supporting a shaft, compri...
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WO/2011/104098 |
The invention relates to a method and device for assessing damage to a rolling bearing in an electric machine which is electrically connected to an inverter (1), in particular to an inverter (1) having a voltage link, wherein said damage...
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WO/2011/104084 |
According to the invention, a defined operating state of an antifriction bearing (1) is set in a test stand. To do so, at least one of the following parameters is set: rotational speed (n) of the antifriction bearing (1); temperature of ...
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WO/2011/104091 |
In a system for ascertaining a bearing state and in a method for ascertaining a bearing state of a bearing of an electric machine, a measurement value (21) is ascertained by means of a sensor unit (20). The measurement value is transmitt...
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WO/2011/104433 |
A system for monitoring the condition of planetary gears, the system comprising a base station (7) including an induction antenna (8) for energy transfer and wireless data transfer means, and a wireless sensor device (9) mounted in conne...
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WO/2011/101306 |
The method for testing the life-time of gear drives and the like provides for prearranging the calculated life-time for a gear drive (1) to be tested, prearranging a scale model of said drive (1) to be tested according to a determined sc...
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WO/2011/089977 |
Provided are a calculation method, a calculation device, and a calculation program which are capable of obtaining high-accuracy torque values by taking into consideration the effect of the fact that contact states are different, such an ...
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WO/2011/088934 |
The invention relates to a rolling bearing arrangement that is especially suitable for high-speed shafts of turbomolecular pumps. The rolling bearing arrangement comprises a plurality of rolling elements (10) that are positioned between ...
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WO/2011/087440 |
A method of operating an apparatus for analysing the condition of a machine having a part rotating with a speed of rotation (fROT ), comprising the steps of: receiving a first digital signal (SRED, SMD, SENV) dependent on mechanical vibr...
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WO/2011/085737 |
A condition monitoring system receives vibration data from one or more sensors that are attached to a machine having cyclical components, such as a gearbox. Samples (431, 432, 433, 434 435, 436, 437, 438) of the vibration data are time s...
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WO/2011/082816 |
A loading device is provided, including a first member, a second member, a first clamping member, a second clamping member, and an actuator. The first member includes a first surface, where the first surface contacts a first side of a te...
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WO/2011/081085 |
An effective-value calculation unit (120) calculates the effective value of an oscillating waveform of a bearing, the oscillating waveform being measured by using an oscillation sensor (70). An envelope processor (140) generates an envel...
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WO/2011/066926 |
A rolling element bearing comprises a groove with preferably an indentation in the bottom down the middle of the groove all around the bearing. The groove is to both accommodate a Bragg grated optical fibre and to increase the perceived ...
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WO/2011/066927 |
A bearing comprises a Bragg grated optical fibre to measure one or more parameters of the bearing such as load, temperature, acceleration / vibration and identification. To be able to fit as many Bragg gratings as possible, the utilizati...
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WO/2011/066927 |
A bearing comprises a Bragg grated optical fibre to measure one or more parameters of the bearing such as load, temperature, acceleration / vibration and identification. To be able to fit as many Bragg gratings as possible, the utilizati...
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WO/2011/066928 |
A bearing comprises a Bragg grated optical fiber to measure one or more parameters of the bearing. The optical fiber is coupled to the bearing in such a way that at least a part of the optical fiber that comprises Bragg grating is curved...
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WO/2011/058740 |
A method and a device for detecting the force of rotational resistance of a bearing for a rotating body, such as a roller or a pulley, without providing a torque meter or a load cell to the rotating body. In the site in which a belt conv...
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WO/2011/054867 |
The invention relates to a method including the steps of: acquiring a current vibration signal (Vc) of an engine component mechanical vibration across the set of a measuring period P of changes in the shaft speed N; capturing the signal ...
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WO/2011/050805 |
The invention relates to a docking module for a test stand for testing of wind turbine components. The docking module has standardized electrical, mechanical and data communication connections so that the docking module comprising a wind...
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WO/2011/050805 |
The invention relates to a docking module for a test stand for testing of wind turbine components. The docking module has standardized electrical, mechanical and data communication connections so that the docking module comprising a wind...
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WO/2011/044607 |
The invention relates to a method and a test stand for testing a drivetrain (2) of a vehicle having at least one shaft (3', 3'', 4', 4'', 6), wherein in order to achieve a target twisting torque in the drivetrain (2), the angles of rotat...
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WO/2011/038429 |
The invention relates to a method for simulating the driving behavior of a vehicle having a drive train having at least one shaft (2), wherein a torque (MR,i) is measured at the shaft (2) and is used as an input variable for a wheel mode...
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WO/2011/023209 |
A life-cycle prognosis is created of a rolling-element bearing. As from manufacturing of the bearing and during the bearing's life-cycle that may include periods of the bearing's non-use, service life data is obtained indicative of one o...
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WO/2011/022746 |
The invention relates to the regulation of a test stand arrangement (2) containing a test piece (3), e.g. an internal combustion engine or a vehicle drive train, which has at least one angle of twist as the output value and which is conn...
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WO/2011/018289 |
The invention relates to a method for the early detection of damage in a motor vehicle transmission, comprising at least one acceleration sensor, by means of which mechanical vibrations in the motor vehicle transmission are captured (S1)...
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WO/2011/014870 |
One aspect of the invention is a test assembly comprising a prime mover (26), an actuator assembly (34, 34', 200, 250, 500, 550, 560, 570) and a torque transfer coupling (30, 400, 400', 400", 400'", 600). The actuator assembly (34, 34', ...
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WO/2011/011573 |
Apparatus and method for determining the clearance and wear of mechanical back-up bearings of turbomachinery utilizing electromagnetic bearings. In order to reduce the prospects of catastrophic failure during a shut-down or loss of elect...
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WO/2010/142259 |
The invention relates to an apparatus for applying a load to at least one device under test and/or gaining information on the service life of the device under test. Said apparatus comprises at least one drive unit which rotates the devic...
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WO/2010/142366 |
The invention relates to a test bench comprising a load device (2) and a blower device (9) for cooling the load device (2). By using one or more temperature sensors (15 through 19), it is possible to capture the temperature in or at the ...
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WO/2010/142259 |
The invention relates to an apparatus for applying a load to at least one device under test (10) and/or gaining information on the service life of the device under test (10). Said apparatus comprises at least one drive unit (9) which rot...
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WO/2010/142866 |
The invention relates to a load bench for applying on the rotary shaft (3) of a device to be tested (4), such as an actuator or the like, radial loads and variable torques provided by controlled reproduction means (2). Advantageously, th...
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WO/2010/141078 |
A belt measurement device comprising a first portion and a second portion, the first and second portion are substantially parallel, the first portion and second portion defining a predetermined engagement position for the device in a bel...
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WO/2010/136264 |
The invention relates to a method for monitoring the state of a safety bearing (14) of a machine (12), wherein the safety bearing (14) catches a rotor shaft (1) of the machine (12) in case of failure of a magnetic bearing (6) of the mach...
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