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US 5,642,105 AGranted
Bearing with an arrangement for obtaining an indication of the temperature within the bearing
AssigneeThe Torrington Company
InventorsPaul E. Duffy, Richard W. Browner, Richard L. Lemoine, Mark I. Jurras, III
Life of this patent
Estimating the term…
Abstract
A temperature sensor is mounted on the inside surface of a stationary race around which a rotatable race rotates. Electric signals from the temperature sensor are converted into acoustic signals. Without the use of any hard wires, the acoustic signals are received by an acoustic-electric transducer mounted on the outside surface of the bearing housing. These electric signals from the acoustic-electric transducer are frequency demodulated and converted into signals which indicate on a display panel the temperatures within the bearing.
Claims6
In combination:
- a housing;
- an annular rotatable race within said housing;
- an annular stationary race mounted in the housing having a greater inside diameter than the outside diameter of the annular rotatable race;
- a plurality of rollers located in the annular space between said races;
- at least one temperature sensor located on the inside surface of the annular stationary race;
- an electric-acoustic transducer located on the annular stationary race, said electric-acoustic transducer being adapted to transmit acoustic signals through said housing related to the temperatures within the annular stationary race;
- an electronic system interconnecting said temperature sensor and said electric-acoustic transducer;
- at least one acoustic-electric transducer mounted on the outside surface of said housing, said acoustic-electric transducer being adapted to receive the acoustic signals transmitted by said electric-acoustic transducer and convert said acoustic signals into electric signals related to the temperatures within the annular stationary race;
- and
- an electronic system connected to the acoustic-electric transducer for indicating the temperatures within the annular stationary race.
7 more elements
Dependencies are inferred from the claim text.