Rolling bearing device and ring with sensor for the rolling bearing device
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Abstract
A rolling bearing with sensor includes an inner ring, an outer ring, a plurality of rolling elements disposed between the inner and outer rings, and a sensor having a detecting part detecting a state of the rolling bearing and a circuit part connected to the detecting part. The detecting part and the circuit part are attached to the rolling bearing.
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Citations
46 Claims
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1-17. -17. (canceled)
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18. A rolling bearing with sensor, comprising;
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an inner ring;
an outer ring;
a plurality of rolling elements disposed between said inner and outer rings;
a retainer for retaining said rolling elements;
a sensor having a detecting part detecting at least one of a rotating speed, a vibration, a temperature and a humidity, a transmitting part transmitting an output of said detecting part or a signal obtained by processing said output, a control part controlling said transmitting part based on the output of said detecting part, and a power source for supplying a power to said detecting part, said transmitting part and said control part; and
a receiving device disposed a part from said transmitting part attached to said rolling bearing, for receiving said output or said signal transmitted from said transmitting part. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A rolling bearing with sensor comprising:
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a plurality of rolling elements;
first and second rings rotating relative to each other via said rolling elements; and
an electric generator having an annular magnet disposed on said first ring and an annular conductor disposed on said second ring, said electric generator generating an electric power by the relative rotation between said first and second rings. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44)
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45. A ring with sensor for a rolling bearing in which a pair of raceway rings rotate relative to each other through rolling elements disposed therebetween,
wherein said ring with sensor is disposed so as to rotate together with one of said raceway rings, and wherein said ring with sensor comprises: -
a detecting part detecting at least one of a rotating speed, a vibration, a temperature and a humidity;
a transmitting part transmitting an output of said detecting part or a signal obtained by processing the output;
a control part controlling said transmitting part based on the output of said detecting part; and
a power source for supplying a power to said detecting part, said transmitting part and said control part. - View Dependent Claims (46)
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Specification