Patent ID: 7624989

Claim:
A seal, comprising: a first deflector ring concentrically arranged inside a second deflector ring and about a common axis of rotation; two radial fins formed on the first deflector ring, extending radial outward towards the second deflector ring without contacting the second deflector ring; a smooth, outwardly conical, inner lateral surface formed on the second deflector ring, radially opposing the two radial fins; a first collection channel delimited axially by the two radial fins and radially by the first dellector ring; a first annular cavity delimited axially by the two radial fins and delimited radially by the First collection channel and the inner lateral surface; a second collection channel delimited by a transverse fin extending axially from an inward radial limb of the second deflector ring, the inward radial limb axially inward of the first deflector ring, the second collection channel radially inward of the first collection channel and the two radial fins; and at least one seal with at least one elastic sealing lip starting from the inward radial limb of the second deflector ring, the sealing lip being radially prestressed against a shaft.