Electrical transmission or interconnection systems – Nonlinear reactor systems – Magnetic pulse generator
Patent
1980-02-22
1982-01-05
Moffitt, James W.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Magnetic pulse generator
365133, 310152, H03K 345
Patent
active
043096280
ABSTRACT:
A pulser unit is composed of two high strength magnets spaced apart from one another and establishing an intense magnetic field therebetween. Forward faces of the two magnets establish a working surface for the pulser unit. A Wiegand wire module consisting of a Wiegand wire segment around which a pickup coil is wound is mounted in the pulser unit immediately behind the working surface of the pulser unit and adjacent the sides of the two spaced apart magnets. The magnetic field is sufficiently strong to determine the state of the Wiegand wire. When a low reluctance element is brought adjacent to the front of the working surface, the field is substantially distorted and the field to which the Wiegand wire is subjected changes materially. The result is that the Wiegand wire switches state and the substantial rate of change of the flux in that switching of state is sensed by the pickup coil to provide an output pulse. Similarly, removal of the low reluctance element causes the field to revert so that the wire switches state back thereby inducing an output pulse in the pickup coil. The pulser can conveniently be kept stationary while the actuating low reluctance element is moved past the working face of the pulser.
REFERENCES:
patent: 3780313 (1973-12-01), Wiegand
patent: 3820090 (1974-06-01), Wiegand
patent: 4150314 (1979-04-01), Zabler et al.
patent: 4157482 (1979-06-01), Kakinuma
Moffitt James W.
The Echlin Manufacturing Company
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