Abstract: A generator assembly for harvesting energy in a bearing arrangement having a first ring and a second ring is provided. The generator assembly includes a plurality of coils attached to the first ring and configured to interact with a magnet ring with alternating magnetization directions attached to the second ring, and a plug connector for supplying power generated by the generator assembly to external devices. The coils are encapsulated and mounted in an outer carrier ring such that the winding axis is oriented in a radial direction of the bearing and the magnet ring is composed of plural permanent magnets attached to an inner carrier ring attached to the inner ring of the bearing.

Abstract: A spherical roller bearing having an inner ring, an outer ring, first and second roller sets disposed therebetween, and a guide element for guiding the rollers of at least one roller set. The guide element is rotational about a bearing axis of rotation during bearing operation. The bearing further includes a generator, arranged between the first and second roller sets, which includes a magnetic rotor with alternating polarities in circumferential direction and a stator having at least one stator coil. The magnetic rotor is mounted to the guide element, while the stator is mounted to a common outer raceway of the outer ring, radially opposite from the magnetic rotor. In accordance with the invention, the stator has the form of an annular band. The at least one stator coil is formed by a flat conductor provided on a flexible printed circuit board.

Abstract: A generator assembly for harvesting energy in a bearing arrangement having a first ring and a second ring is provided. The generator assembly includes a plurality of coils attached to the first ring and configured to interact with a magnet ring with alternating magnetization directions attached to the second ring, and a plug connector for supplying power generated by the generator assembly to external devices. The coils are encapsulated and mounted in an outer carrier ring such that the winding axis is oriented in a radial direction of the bearing and the magnet ring is composed of plural permanent magnets attached to an inner carrier ring attached to the inner ring of the bearing.

Abstract: A generator assembly for harvesting energy in a bearing arrangement having a first ring and a second ring is provided. The generator assembly includes a plurality of coils attached to the first ring and configured to interact with a magnet ring with alternating magnetization directions attached to the second ring, and a plug connector for supplying power generated by the generator assembly to external devices. The first ring is an outer ring of the bearing, the groove is formed on an outer circumference of the first ring and is helicoidally shaped, and a helix angle of the groove is 45° or more.

Abstract: A power generator assembly including a rotating part and a non-rotating part is provided. It is proposed that the rotating part includes first and second, circumferentially adjacent generator units. Each generator unit includes at least one coil, at least one permanent magnet and two pole shoes having pole surfaces facing radially outward. The non-rotating part includes an arc-shaped saddle adaptor of ferromagnetic material arranged with a radial distance to the pole surfaces. The saddle adaptor is configured to close a magnetic circuit passing via the pole shoes through the coil in a rotational position where the saddle adaptor overlaps with the pole shoes of a generator unit. According to the invention, a pole shoe of the first generator unit and an adjacent pole shoe of the second generator unit have the same magnetic polarity.

Abstract: A rotating part that includes at least one generator unit having at least one coil, at least one permanent magnet and two pole shoes having pole surfaces facing radially outward is provided, The non-rotating part has an arc-shaped saddle adaptor of ferromagnetic material arranged with a radial distance to the pole surfaces. The saddle adaptor is configured to close a magnetic circuit passing via the pole shoes through the coil in a rotational position where the saddle adaptor overlaps with the pole shoes of the generator unit.

Abstract: A bearing arrangement including a rotating part and a non-rotating part. The rotating part is configured to rotate relative to the non-rotating part with an essentially horizontal rotation axis. The arrangement is provided with an energy generating system, comprising at least one micro generator module. The micro generator module includes a housing, an eccentric mass mounted so as to be rotatable around an eccentric shaft in the housing, and a generator unit configured to generate electrical energy using the rotation of the eccentric shaft. The energy generating system is mounted to the rotating part of the arrangement.

Abstract: The invention relates to a lubricating device that includes a lubricant pump, a lubricant reservoir for supplying lubricant to a machine to be lubricated, a control unit for determining an operating state of a machine and for operating the lubricant pump based on the signals of at least one sensor configured to detect emissions emanating from the machine to be lubricated, and a housing configured to be attached to a lubrication nozzle of the machine to be monitored. It is proposed that a reading of the signals of the sensor by the control unit is limited to a predetermined set of time windows with a predetermined width, wherein the time windows are separated by an interval where the signals of the sensor are not read.

Abstract: A device for measuring an absolute angle includes first and second rotatable members having first and second radii and capable of rotating over first and second angles respectively, a first number of detectable elements mounted on the first rotatable member, a second number of detectable elements mounted on the second rotatable member, and at least one sensor for detecting rotation of the detectable elements. The second rotatable member is coupled with the first rotatable member such that the second angle is equal to the first angle times the ratio of the first radius and the second radius. The first radius is equal to a first integer times a factor, while the second radius is equal to a second integer times the factor. The product of the first number and the second integer, and the product of the second number and the first integer, are co-prime.

Abstract: A generator assembly for harvesting energy in a bearing arrangement having a first ring and a second ring is provided. The generator assembly includes a plurality of coils attached to the first ring and configured to interact with a magnet ring with alternating magnetization directions attached to the second ring, and a plug connector for supplying power generated by the generator assembly to external devices. The first ring is an outer ring of the bearing, the groove is formed on an outer circumference of the first ring and is helicoidally shaped, and a helix angle of the groove is 45° or more.

Abstract: An angle sensor is provided for determining an absolute angle signal of a first part rotated with respect to a second part. The angle sensor comprises a first grating ring for generating a first signal representative of a relative position of a first sensor along a corresponding ring segment of the first grating ring. The angle sensor further comprises a second grating ring for generating a second signal representative of a relative position of a second sensor along the corresponding ring segment of the second grating ring. The first plurality and the second plurality are co-prime numbers and a difference between the first plurality and the second plurality being larger than 1. The angle sensor also comprises a calculator configured for calculating the absolute angle signal using a first linear combination of the first signal and the second signal.

Abstract: The invention relates to a generator assembly for harvesting energy in a bearing arrangement having a first ring and a second ring. The generator assembly includes a plurality of coils attached to the first ring and configured to interact with a magnet ring with alternating magnetization directions attached to the second ring. In order to provide a versatile power supply for electric and electronic external devices in machine applications, it is proposed to provide the generator assembly with a plug connector for supplying power generated by the generator assembly to external devices.

Abstract: A generator assembly for harvesting energy in a bearing arrangement having a first component and a second component, wherein the first component is configured to rotate in relation to the second component. The generator assembly includes a plurality of coils attached to the first component, wherein the coils are configured to interact with a magnet ring with alternating magnetization directions attached to the second component. In order to achieve an adaptable and flexible design, the coils are placed and oriented such that a winding axis of the coils is oriented in an essentially circumferential direction in relation to a rotation axis of the bearing arrangement.

Abstract: A spherical roller bearing having an inner ring, an outer ring, first and second roller sets disposed therebetween, and a guide element for guiding the rollers of at least one roller set. The guide element is rotational about a bearing axis of rotation during bearing operation. The bearing further includes a generator, arranged between the first and second roller sets, which includes a magnetic rotor with alternating polarities in circumferential direction and a stator having at least one stator coil. The magnetic rotor is mounted to the guide element, while the stator is mounted to a common outer raceway of the outer ring, radially opposite from the magnetic rotor. In accordance with the invention, the stator has the form of an annular band. The at least one stator coil is formed by a flat conductor provided on a flexible printed circuit board.

Abstract: A power generator assembly including a rotating part and a non-rotating part is provided. It is proposed that the rotating part includes first and second, circumferentially adjacent generator units. Each generator unit includes at least one coil, at least one permanent magnet and two pole shoes having pole surfaces facing radially outward. The non-rotating part includes an arc-shaped saddle adaptor of ferromagnetic material arranged with a radial distance to the pole surfaces. The saddle adaptor is configured to close a magnetic circuit passing via the pole shoes through the coil in a rotational position where the saddle adaptor overlaps with the pole shoes of a generator unit. According to the invention, a pole shoe of the first generator unit and an adjacent pole shoe of the second generator unit have the same magnetic polarity.

Abstract: A rotating part that includes at least one generator unit having at least one coil, at least one permanent magnet and two pole shoes having pole surfaces facing radially outward is provided, The non-rotating part has an arc-shaped saddle adaptor of ferromagnetic material arranged with a radial distance to the pole surfaces. The saddle adaptor is configured to close a magnetic circuit passing via the pole shoes through the coil in a rotational position where the saddle adaptor overlaps with the pole shoes of the generator unit.

Abstract: The invention relates to a generator assembly for harvesting energy in a bearing arrangement having a first ring and a second ring. The generator assembly includes a plurality of coils attached to the first ring and configured to interact with a magnet ring with alternating magnetization directions attached to the second ring. In order to provide a versatile power supply for electric and electronic external devices in machine applications, it is proposed to provide the generator assembly with a plug connector for supplying power generated by the generator assembly to external devices.

Abstract: A device for measuring an absolute angle includes first and second rotatable members having first and second radii and capable of rotating over first and second angles respectively, a first number of detectable elements mounted on the first rotatable member, a second number of detectable elements mounted on the second rotatable member, and at least one sensor for detecting rotation of the detectable elements. The second rotatable member is coupled with the first rotatable member such that the second angle is equal to the first angle times the ratio of the first radius and the second radius. The first radius is equal to a first integer times a factor, while the second radius is equal to a second integer times said factor. The product of the first number and the second integer, and the product of the second number and the first integer, are co-prime.

Abstract: The invention relates to a lubricating device that includes a lubricant pump, a lubricant reservoir for supplying lubricant to a machine to be lubricated, a control unit for determining an operating state of a machine and for operating the lubricant pump based on the signals of at least one sensor configured to detect emissions emanating from the machine to be lubricated, and a housing configured to be attached to a lubrication nozzle of the machine to be monitored. It is proposed that a reading of the signals of the sensor by the control unit is limited to a predetermined set of time windows with a predetermined width, wherein the time windows are separated by an interval where the signals of the sensor are not read.

Abstract: A generator assembly for harvesting energy in a bearing arrangement having a first component and a second component, wherein the first component is configured to rotate in relation to the second component. The generator assembly includes a plurality of coils attached to the first component, wherein the coils are configured to interact with a magnet ring with alternating magnetization directions attached to the second component. In order to achieve an adaptable and flexible design, the coils are placed and oriented such that a winding axis of the coils is oriented in an essentially circumferential direction in relation to a rotation axis of the bearing arrangement.