Electricity: measuring and testing – Magnetic – Displacement
Patent
1990-04-12
1991-12-03
Strecker, Gerard R.
Electricity: measuring and testing
Magnetic
Displacement
324174, 32420725, G01P 3487, G01P 3488, G01B 730
Patent
active
050702980
ABSTRACT:
A magnetic sensor includes a sensor housing having a front end directed toward a member to be sensed. A magneto-electric transducer is mounted in the sensor housing and disposed adjacent to the front end of the sensor housing. A magnetic flux-collecting chip of a high-permeability material is supported on the front end of the sensor housing. The magnetic flux-collecting chip is disposed forwardly of the magneto-electric transducer. The magnetic flux-collecting chip has an exposed front face directed away from the magneto-electric transducer. The sensing ability or performance of the magneto-electric transducer is substantially determined by a magnetic gap between the front face of the magnetic flux-collecting chip and the member to be sensed.
REFERENCES:
patent: 3185920 (1965-05-01), Brunner
patent: 3243692 (1966-03-01), Heissmeier et al.
patent: 4555120 (1985-11-01), Frait et al.
patent: 4829834 (1989-05-01), Masom
Honda Naoko
Nakajima Tatsuo
Diesel Kiki Co. Ltd.
Strecker Gerard R.
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