Rolling bearing with rotational speed sensor

Details Rolling bearing with rotational speed sensor Rolling bearing with rotational speed sensor

2011-07-19

2011-07-19

LeDynh, Bot L (Department: 2858)

Electricity: measuring and testing

Magnetic

Displacement

C324S174000

Reexamination Certificate

active

07982455

ABSTRACT:
The object is to produce a magnetic encoder having a large outer diameter at a low cost, provide a sensor case which is compact in size and can be easily mounted and dismounted with a sensor element received therein, and to provide a double row rolling bearing with a preload application device and a rotational speed sensor which comprises a small number of parts and thus can be assembled easily. A magnetic member12of the magnetic encoder11is made of a magnetic material bound by rubber. The magnetic member12is bonded to an annular presser member8, which also serves as a metal core, by an adhesive13, thus eliminating the need for a mold and other facilities for vulcanization bonding. This makes it possible to manufacture a magnetic encoder11with a large outer diameter at a low cost.

REFERENCES:
patent: 6127819 (2000-10-01), Ouchi
patent: 2005/0007226 (2005-01-01), Mizuta
patent: 2000-329143 (2000-11-01), None
patent: 2002-295465 (2002-10-01), None
patent: 2002-349556 (2002-12-01), None
patent: 2003-075194 (2003-03-01), None
patent: 2004-138597 (2004-05-01), None
patent: 2005-140797 (2005-06-01), None
International Search Report issued Apr. 24, 2007 in the International (PCT) Application of which the present application is the U.S. National Stage.

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