Diaphragm-type air pump with an efficient core

Details Diaphragm-type air pump with an efficient core Diaphragm-type air pump with an efficient core

1991-02-26

1992-04-14

Bertsch, Richard A.

Pumps

Motor driven

Electric or magnetic motor

417413, 310 17, F04B 4304

Patent

active

051042983

ABSTRACT:
A diaphragm-type air pump capable of reducing leakage magnetic flux and effectively utilizing gap magnetic flux between a main pole and a side pole of an electromagnetic core, by (1) enlarging a distance between the main pole and the side pole and making tips of the main pole and the side pole approach to each other; (2) by reducing a sectional area of the main pole; or by (3) arranging a plurality of main poles parallel and/or vertical to a vibration direction of a rod having permanent magnets. A most effective utilization of electromotive force of the electromagnet enables the remarkable improvement of pump capacity, and the lightening and miniturization of pumps.

REFERENCES:
patent: 3784334 (1974-01-01), Hilgert

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