Electrical transmission or interconnection systems – Nonlinear reactor systems – Magnetic pulse generator
Patent
1987-07-14
1988-07-19
Shoop, Jr., William M.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Magnetic pulse generator
307106, 365133, 360123, 360125, G11C 1104, H03K 345
Patent
active
047587423
ABSTRACT:
A pulse generator employs a Wiegand wire module within two soft iron ferro-magnetic elements. Four magnets having appropriate polarities are positioned on faces of the ferro-magnetic elements to provide first and second magnetic circuits. The flux in these two magnetic circuits is collected, conducted and guided by the ferro-magnetic elements toward an air gap between the two guide elements. The center portion of the Wiegand wire is at the air gap. Cylindrical cavities in these two guide elements shield the ends of the Wiegand wire to minimize the incidence of external flux from the Wiegand wire. Saturation of the flux at the air gap between the two guide elements causes leakage flux to be incident on the Wiegand wire.
The two magnetic circuits created by the magnets are approximately equal in magnitude and opposite in direction at the Wiegand wire. As a consequence, in the normal state, these two magnetic circuits do not affect the state of the Wiegand wire. When a soft iron ferro-magnetic shunt is brought adjacent to the two magnets which determine a first one of the magnetic circuits, an increase of flux in that first magnetic circuit switches the state of the Wiegand wire to a first switched state. When the shunt element is moved adjacent to the other two magnets, the flux from the second circuit increases to switch the Wiegand wire to a second switched state opposite to the first switched state.
REFERENCES:
patent: 3818465 (1974-06-01), Wiegand
patent: 3820090 (1974-06-01), Wiegand
patent: 3866193 (1975-02-01), Wiegand
patent: 3879754 (1975-04-01), Ballinger
patent: 3971958 (1976-07-01), Rogora et al.
patent: 4123790 (1978-10-01), Moeller et al.
patent: 4136370 (1979-01-01), Moeller
patent: 4164770 (1979-08-01), Jeffers
patent: 4263523 (1981-04-01), Wiegand
patent: 4287573 (1981-09-01), Lathlaen
patent: 4309628 (1982-01-01), Wiegand
patent: 4484090 (1984-11-01), Wiegand et al.
patent: 4593209 (1986-06-01), Sloan
patent: 4635227 (1987-01-01), Normann
Echlin Inc.
Ip Paul
Shoop Jr. William M.
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