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US 2021/0010900 A1Published application
Kingpin unit
AssigneeAktiebolaget Skf
InventorsMichael Baumann, Matthias Hofmann
Life of this patent
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Abstract
A kingpin unit includes a kingpin having an inner bore, a sensor tube formed as a hollow sleeve disposed in the inner bore of the kingpin, and at least one sensor disposed in the sensor tube. The sensor is configured to sense a condition of at least one bearing formed or mounted on the kingpin and is mounted in the interior of the sensor tube at, for example, an opening in a side wall of the sensor tube.
Claims13
A kingpin unit comprising:
- a kingpin having an inner bore,
- a sensor tube comprising a hollow sleeve disposed in the inner bore of the kingpin, and
- at least one sensor disposed in the sensor tube, the sensor being configured to sense a condition of at least one bearing formed on or mounted on the kingpin.
A kingpin unit comprising:
- a kingpin having an inner bore,
- a sensor tube comprising a hollow sleeve having a first axial end portion including a flange and a second axial end portion and a substantially cylindrical side wall portion between the first axial end portion and the second axial end portion, the side wall portion having an opening, the sensor tube being disposed in the inner bore of the kingpin and the flange being connected to the kingpin, and
- at least one sensor mounted in the sensor tube at the opening in direct contact with the inner bore of the kingpin, the sensor being configured to sense a condition of at least one bearing formed on or mounted on the kingpin,
- wherein a diameter of the first axial end portion is greater than a diameter of the second axial end portion,
- wherein the sensor tube has an axially extending slot configured to allow radial compression of the sensor tube, and
- wherein the outer surface of the kingpin and/or the inner surface of the inner bore are configured such that at least one air gap exists therebetween.
3 more elements
Dependencies are inferred from the claim text.