Pumps – Electrical or getter type – Electromagnetic
Patent
1980-10-16
1983-07-12
Look, Edward K.
Pumps
Electrical or getter type
Electromagnetic
H02K 4402
Patent
active
043927866
ABSTRACT:
An electromagnetic induction pump comprises an open magnetic circuit with an excitation winding. Installed in the air gap of the magnetic circuit is a duct for the flow of an electrically conductive liquid wherein electric current is induced. The pump further comprises a means for electrical continuity outside the air gap of the magnetic circuit. This means for electrical continuity is in electrical contact with the conductive liquid being pumped and partially embraces the magnetic circuit. At least the magnetic circuit portions adjoining the duct have a length l, in the direction of the liquid flow, which is defined by the expression: ##EQU1## where .sigma.=the specific conductivity of the conductive liquid being pumped;
REFERENCES:
patent: 3141413 (1964-07-01), Heyman
patent: 3837763 (1972-09-01), Ertaud et al.
patent: 3973878 (1976-08-01), LeFrere
A.C. and D.C. Conduction Pumps for Liquid Metals by Blake, The Engineer, Oct. 19, 1956, pp. 541, et seq.
"A.C. and D.C. Conduction Pumps for Liquid Metals" by Blake in collected translations and reviews of foreign periodicals On Nuclear Power Engineering, issue 5, published in Russian in 1957, Moscow.
Ju. A. Bakanov, L. G. Vlasenko, S. E. Dvorchik, Ya. Ya. Zandart, V. K. Makarevich, V. E. Strizhak, I. M. Tolmach, S. R. Troitsky, "Experimental Research of Liquid Metal A.C. Conduction Machine", Magnetic Hydrodynamics, 1973, 2, 124-129.
Egorov Vladimir D.
Merenkov Jury F.
Popkov Igor V.
Stepanov Valentin G.
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