Detecting irregularities in a rotation of roller bodies in a roller bearing
AssigneeAktiebolaget Skf
InventorsAllan Thomson, Andreas Clemens Van Der Ham
Life of this patent
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Abstract
An apparatus for detecting irregularities in a rotation of roller bodies in a roller bearing, the apparatus comprising a measurement module and a processor module. The measurement module is operable to provide a deformation signal indicative of a deformation of a surface region of a bearing ring of the roller bearing, wherein the deformation is due to the rotation of the roller bodies over the surface region. The processor module is operable to extract one or more signal quantities of interest from the deformation signal and operable to provide statistical information on the one or more extracted signal quantities of interest.
Claims15
A method for detecting irregularities in a rotation of roller bodies in a roller bearing, the method comprising steps of:
- measuring, by a deformation sensor coupled to a surface region of a bearing ring of the roller bearing, a load transferred between the roller bodies and the surface region during an operational state of the roller bearing;
- providing a deformation signal in accordance with the load measured by the deformation sensor, the deformation signal comprising any of the irregularities in the roller bearing, at least one of the irregularities comprising a deformation of the surface region,
- wherein the deformation comprises an elastic mechanical deformation due to the rotation of the roller bodies over the surface region;
- extracting one or more signal quantities of interest from the deformation signal;
- and
- providing statistical information on the one or more extracted signal quantities of interest.
A computer program product stored on a non-transitory computer readable medium, the computer program product comprising program code executable to cause a method comprising steps of:
- measuring, by a deformation sensor coupled to a surface region of a bearing ring of the roller bearing, a load transferred between the roller bodies and the surface region during an operational state of the roller bearing;
- providing a deformation signal in accordance with the load measured by the deformation sensor, the deformation signal comprising any of the irregularities in the roller bearing, at least one of the irregularities comprising a deformation of the surface region,
- wherein the deformation comprises an elastic mechanical deformation due to the rotation of the roller bodies over the surface region;
- and
- providing statistical information on the one or more extracted signal quantities of interest,
- when the computer program is executed on a programmable hardware device.
An apparatus for detecting irregularities in a rotation of roller bodies in a roller bearing, the apparatus comprising:
- a measurement module coupled to a surface region of a bearing ring of the roller bearing, the measurement module operable to:
- measure a load transferred between the roller bodies and the surface region during an operational state of the roller bearing, and
- provide a deformation signal in accordance with the load measured by the deformation sensor, the deformation signal comprising any of the irregularities in the roller bearing, at least one of the irregularities comprising a deformation of the surface region,
- wherein the deformation comprises an elastic mechanical deformation due to the rotation of the roller bodies over the surface region;
- and
- a processor module operable to extract one or more signal quantities of interest from the deformation signal and operable to provide statistical information on the one or more extracted signal quantities of interest.
Dependencies are inferred from the claim text.