Pumps – Motor driven – Electric or magnetic motor
Patent
1975-10-20
1976-10-19
Raduazo, Henry F.
Pumps
Motor driven
Electric or magnetic motor
F04B 1700
Patent
active
039867978
ABSTRACT:
A pump is provided in which the fluid being pumped is used to lubricate the moving parts of the pump and the flow path of the fluid through the pump insures that at least a portion of the fluid circulates around the moving parts of the pump to assure efficient lubrication and rapid flushing of the pump. The pump is driven by a pair of concentric magnets, the interior magnet being sealed off relative to the outer magnet.
REFERENCES:
patent: 2460371 (1949-02-01), Szwargulski
patent: 3205827 (1965-09-01), Zimmermann
patent: 3238878 (1966-03-01), Martin
patent: 3238883 (1966-03-01), Martin
patent: 3420184 (1969-01-01), Engelsberg
patent: 3470824 (1969-10-01), O'Connor
patent: 3500755 (1970-03-01), Gibson
patent: 3647314 (1972-03-01), Laessing
patent: 3736075 (1973-05-01), Otto
patent: 3802804 (1974-04-01), Zimmermann
David Kopf Systems
Johnsonbaugh Bruce H.
Raduazo Henry F.
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