Magnetic field sensor mounting with sensor arm contacting rotati

Details Magnetic field sensor mounting with sensor arm contacting rotati Magnetic field sensor mounting with sensor arm contacting rotati

1990-02-08

1991-05-21

Strecker, Gerard R.

Electricity: measuring and testing

Electrical speed measuring

Including speed-related frequency generator

32420720, 384448, G01P 3487, F16C 3200

Patent

active

050178660

ABSTRACT:
A magnetic field source is mounted on one race of a two-race radial or thrust bearing. The race with the magnetic field source rotates. The other race does not rotate. A magnetic field sensor is mounted on a flexible arm of a rigid arm support. The arm support with its flexible arm does not rotate but the flexible arm may flex in response to movement of either of the races or the flexible arm support member so that the magnetic field sensor is always kept a constant predetermined distance from the magnetic field source. The number of times alternate magnetic poles on the rotating race is sensed by the sensor per unit of time indicates the speed of the rotating race.

REFERENCES:
patent: 3683219 (1972-08-01), Kruse
patent: 3772548 (1923-11-01), Wroblewski et al.
patent: 3890517 (1975-06-01), Marsh et al.
patent: 4017756 (1977-04-01), Davidsonn
patent: 4090099 (1978-05-01), Daffron
patent: 4161120 (1979-07-01), Cloarec
patent: 4572005 (1986-02-01), Kita
patent: 4875785 (1989-10-01), Santos et al.

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