Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1978-12-26
1982-02-16
Duggan, Donovan F.
Electrical generator or motor structure
Dynamoelectric
Rotary
365133, 310168, 310111, 1231465A, H02K 2138
Patent
active
043161103
ABSTRACT:
A signal generating device comprising a bistable magnetic device which alters its magnetic state when the density of magnetic flux to which it is subject passes through a predetermined value, and detecting means providing an output signal responsive to a change in magnetic state of said bistable device. A conducting means for magnetic flux comprises a first portion providing a first path of high permeability and a second portion, and has the bistable device connected between the first and second portions for conducting therebetween and being subjected to the conducted magnetic flux. The second portion provides second and third paths through the bistable device, each having a respectively alterable permeance for varying in an opposite relationship the respective reluctance of the second and third paths of the conducting means and the density and sense of magnetic flux to which the bistable device is subject. An energizing means provides magnetic flux of a given polarity to the conducting means for altering the state of the bistable device with the reluctance variations of said conducting means.
REFERENCES:
patent: 3757754 (1973-09-01), Wiegand
patent: 3780312 (1973-12-01), Wiegand
patent: 3818465 (1974-06-01), Wiegand
patent: 3820090 (1974-06-01), Wiegand
patent: 3866193 (1975-02-01), Wiegand
patent: 3892118 (1975-07-01), Wiegand
patent: 4150314 (1979-04-01), Zabler et al.
patent: 4157482 (1979-06-01), Kakinuma
Philip E. Wigen, "Wiegand Wire: New Material For Magnetic-Based Devices", Electronics, Jul. 10, 1975, pp. 100-105.
"Wiegand Pulses Break Through Into New Applications", Canadian Controls and Instrumentaion, Dec. 1977, pp. 16-19.
"Wiegand Effect A New Pulse-Generating Option", Automotive Engineering, Feb. 1978, pp. 44-48.
Michael J. Sinko, "Applying the Wiegand Effect To Your Design", Digital Electronic Conference 1978.
David J. Marks and Michael J. Sinko, "The Wiegand Effect And Its Automotive Applications", Tech, Paper #780208, Congress and Expositions of Society of Automotive Engineers, Feb. 27/Mar. 3, 1978.
Earle Dilatush, "With No External Power Source, Clean Pulse-Generation Technique Creates Narrow, High-Level Outputs", EDN, Nov. 5, 1977, pp. 19-20.
"Electronic Ignition Systems for Motor Vehicles", Electronic Engineering, Dec. 1974, pp. 51-55.
"Wiegand Effect Simplifies Automotive Ignition Circuitry", Machine Design, Aug. 8, 1977, p. 8.
Duggan Donovan F.
Trachtman Jacob
TRW Inc.
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