Sensor holder with a wheel bearing apparatus incorporated...

Details Sensor holder with a wheel bearing apparatus incorporated... Sensor holder with a wheel bearing apparatus incorporated...

2009-06-17

2011-11-08

Patidar, Jay (Department: 2858)

Electricity: measuring and testing

Electrical speed measuring

Including speed-related frequency generator

C324S207250, C384S448000

Reexamination Certificate

active

08054064

ABSTRACT:
A sensor holder has an encoder and a wheel speed sensor arranged opposite to the encoder, via a predetermined air gap. An annular fitting member is formed by pressing an anti-corrosive steel plate. A holding portion is formed of injection moldable synthetic resin and is integrally formed with the annular fitting member. The annular fitting member includes a cylindrical portion axially extending from an incline portion. A seal is arranged inboard of the sensor and fit between the inner circumference of the cylindrical portion of the annular fitting member and the outer circumference of the inner ring. The wheel speed sensor is embedded in the holding portion. At least a surface of the annular fitting member contacting the holding portion is roughened by shot blasting to have a surface roughness Ra of 0.8 or more.

REFERENCES:
patent: 6267509 (2001-07-01), Morimura
patent: 7592798 (2009-09-01), Yabe et al.
patent: 2005/0200350 (2005-09-01), Tomioka
patent: 2005/0226545 (2005-10-01), Ohtsuki et al.
patent: 2007/0152657 (2007-07-01), Yabe et al.
patent: 2003-057070 (2003-02-01), None
patent: 2005-300289 (2005-10-01), None
patent: 2006-329663 (2006-12-01), None

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