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US 2026/0266366 A1Published application
Improved filtering pulley
AssigneeMuviq S.R.L.
InventorsAndrea GUALA, Jacopo SPINELLI, Stefano AMADIO
Life of this patent
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Abstract
A filtering pulley has a hub adapted to be fixed to a shaft, a crown mounted coaxially and rotationally free on the hub, at least one elastic group arranged circumferentially with respect to hub and to the crown, each interposed between a pair of first elements integral with the hub and between a pair of second elements integral with the crown. The pulley has a dust seal system defining an inner radial surface having a profile with a designed shape which is optimized to prevent the leakage of oil with respect to a space housing said elastic group.
Claims19
A filtering pulley comprising:
- a hub adapted to be fixed to a shaft rotating around an axis (A),
- a crown mounted coaxially and rotationally free on said hub,
- at least one group elastic arranged circumferentially with respect to said hub and to said crown, each interposed between a pair of first elements integral with said hub and between a pair of second elements integral with said crown,
- a dust seal system integrally carried by said hub and configured to slide, hermetically, with respect to an element integral with said crown, said dust seal system being configured to insulate said at least one elastic group with respect to the external environment,
- a sealing element comprising an axial portion provided with an outer radial surface cooperating in contact with said element integral with said crown, a flat inner radial surface and an intermediate radial surface radially included between said outer radial surface and said inner radial surface inclined with respect to said axis (A).
2 more elements
Dependencies are inferred from the claim text.