Pumps – Electrical or getter type – Electromagnetic
Patent
1986-08-08
1988-10-04
Croyle, Carlton R.
Pumps
Electrical or getter type
Electromagnetic
310 11, H02K 4402
Patent
active
047752980
ABSTRACT:
Electromagnetic screw channel pump having a helical delivery channel, including polyphase coils for generating a magnetic field travelling in circumferential direction of the delivery channel and a magnetic flux return structure, the polyphase coils being arranged in a cylindrical inner portion, and the magnetic flux return structure being arranged outside of the helical delivery channel.
REFERENCES:
patent: 2905089 (1959-09-01), Blake
patent: 2988000 (1981-06-01), Blake
patent: 3026731 (1962-03-01), Maeder
patent: 3052097 (1962-09-01), Tyrner
patent: 3187672 (1965-06-01), Baker
patent: 3251302 (1966-05-01), Baker
patent: 3885890 (1975-05-01), Davidson
patent: 4177015 (1979-12-01), Davidson
NASA Contractor Report, NASA CR-1571, (Gahan et al), "Primary Loop Electromagnetic Pump Design, Jun. 1970.
Barzantny Joachim
Lauhoff Theodor
Croyle Carlton R.
Greenberg Laurence A.
Interatom GmbH
Lerner Herbert L.
Szczecine, Jr. Eugene L.
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