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US 2020/0347883 A1Published application
Rolling bearing comprising three concentric rings
AssigneeAktiebolaget Skf
InventorBruno Capoldi
Life of this patent
Estimating the term…
Abstract
A rolling bearing including an inner ring, an outer ring and a middle ring, the rings being concentrically arranged around a central axis so that the middle ring is arranged radially between the inner ring and the outer ring, at least one row of rolling elements interposed between the inner ring and the middle ring, at least one row of rolling elements interposed between the middle ring and the outer ring. The inner ring provides a radially inner circumferential portion with a gear toothing and the outer ring having a radially outer circumferential portion with a gear toothing.
Claims10
A rolling bearing comprising:
- an inner ring,
- an outer ring, and
- a middle ring, wherein
- the inner ring, the outer ring and the middle ring are concentrically arranged around a central axis so that the middle ring is arranged radially between the inner ring and the outer ring,
- at least one row of rolling elements interposed between the outer ring and the middle ring,
- at least one row of rolling elements interposed between the middle ring and the inner ring, and wherein
- the inner ring comprises a radially inner circumferential portion having a gear toothing, and
- the outer ring comprises a radially outer circumferential portion having a gear toothing.
5 more elements
A machine comprising:
- a rolling bearing having an inner ring, an outer ring, and a middle ring, wherein the inner ring, the outer ring and the middle ring are concentrically arranged around a central axis so that the middle ring is arranged radially between the inner ring and the outer ring, at least one row of rolling elements interposed between the outer ring and the middle ring, at least one row of rolling elements interposed between the middle ring and the inner ring, and wherein the inner ring comprises a radially inner circumferential portion having a gear toothing, and the outer ring comprises a radially outer circumferential portion having a gear toothing,
- a frame attached to the middle ring,
- first driving means for driving in rotation the outer ring,
- second driving means for driving in rotation the inner ring,
- a first machine element attached to the outer ring, and
- a second machine element attached to the inner ring.
3 more elements
Dependencies are inferred from the claim text.