Sealing device including an encoding element for a bearing, and

Details Sealing device including an encoding element for a bearing, and Sealing device including an encoding element for a bearing, and

1993-11-18

1995-01-17

Hannon, Thomas R.

Bearings

Rotary bearing

Antifriction bearing

32420725, F16C 3376, G01P 348

Patent

active

053820983

ABSTRACT:
The sealing device (1) for a bearing (2) includes a first piece (8) of annular overall shape secured to the non-rotating race (4) of the bearing and supporting a permanent magnet (14), a second piece (9) of annular overall shape secured to the rotating race (3) of the bearing and including an annular part forming a pulse generator and a flexible sealing part in contact with the first piece. In operation the first and second pieces (8, 9) mounted in the radial space between the rotating race and non-rotating race at one end of the bearing provide the sealing of the bearing with respect to the external surroundings, the permanent magnet (14) being arranged facing a sensor (11) which is fixed with respect to the non-rotating race, the pulse generator passing between the permanent magnet and the sensor during the rotation of the rotating race of the bearing.

REFERENCES:
patent: 4259637 (1981-03-01), Bloomfield et al.
patent: 4732494 (1988-03-01), Guers et al.
patent: 4850722 (1989-07-01), Bayer
patent: 4946296 (1990-08-01), Olschewski et al.
patent: 4948277 (1990-08-01), Alff
patent: 5004358 (1991-04-01), Varvello et al.
patent: 5011303 (1991-04-01), Caron
patent: 5195830 (1993-03-01), Caillault et al.
patent: 5296805 (1994-03-01), Clark et al.

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