Magnetic transducer with a movable magnet

Details Magnetic transducer with a movable magnet Magnetic transducer with a movable magnet

1980-06-24

1982-06-29

Broome, Harold

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

335298, 336176, H01F 708

Patent

active

043374492

ABSTRACT:
A movable magnet 1 turns in the air-gap formed by pole pieces 3', 4' of a stationary magnetic circuit 2. The magnetic circuit 2 is formed as one piece, and has a deformable connection portion 6, the magnetic properties of which are greatly inferior to those of the remainder of the circuit which enables the branches to move apart for introduction of the coil during assembly. This arrangement facilitates manufacture, while not limiting the diameter of the coil to the dimensions of the air-gap and maintaining a high degree of precision of the air-gap.

REFERENCES:
patent: 2555791 (1951-06-01), Everett
patent: 2811680 (1957-10-01), Stoecklin et al.
patent: 2872626 (1959-02-01), Paddison
patent: 3725832 (1973-04-01), Schweitzer

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