Diaphragm pump

Details Diaphragm pump Diaphragm pump

1990-07-02

1991-11-19

Bertsch, Richard A.

Pumps

Motor driven

Electric or magnetic motor

417410, 310 36, F04B 1700, H02K 3300

Patent

active

050662040

ABSTRACT:
A diaphragm pump intended to pump gases or highly-volatile liquids include a vibrating arm (6) acting on a diaphragm (5) placed into oscillation by a fixed electromagnet (7) fed with alternating or direct electric current. The vibrating arm (6) is composed of a single piece of plastic material, with an enlarged head (11) integrally molded with at least one permanent magnet (9) located opposite electromagnet (7). Opposite the head (11), the vibrating arm (6) has an elastically deformable part (12) attaching the arm to pump housing (1).

REFERENCES:
patent: 3635592 (1972-01-01), Kolfertz
patent: 3664767 (1972-05-01), Kolfertz
patent: 4063826 (1977-12-01), Riepe

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