Pumps – Motor driven – Electric or magnetic motor
Patent
1983-01-07
1985-03-12
Gluck, Richard E.
Pumps
Motor driven
Electric or magnetic motor
417505, F04B 1704, F04B 700
Patent
active
045041989
ABSTRACT:
An electromagnetic pump of the built-in electromagnetic valve type including an electromagnetic plunger actuating electromagnetic coil and an electromagnetic valve operating electromagnetic coil disposed co-axially in adjacent relationship and having magnetic paths of their own separated from each other by a non-magnetic portion, to obtain a desired magnetic flux distribution. The two electromagnetic coils have the same direction of windings to obtain an improved magnetic flux distribution, thereby providing improved pump operation. By passing a half-wave rectified current or a pulse current of a predetermined cycle to the two electromagnetic coils connected in series with each other, a magnetic flux can be produced in each electromagnetic coil and made to flow in the magnetic path exclusive to each electromagnetic coil, so that mutual interference of the magnetic fluxes produced by the two electromagnetic coils can be avoided.
REFERENCES:
patent: 3437044 (1969-01-01), Sanders et al.
patent: 3874822 (1975-01-01), Nakamura
patent: 4252505 (1981-02-01), Toyoda
Chiba Yasutsune
Toyoda Akira
Cuomo Peter M.
Gluck Richard E.
Taisan Industrial Co., Ltd.
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