Movable magnet type pump

Details Movable magnet type pump Movable magnet type pump

1994-01-04

1995-12-05

Bertsch, Richard A.

Pumps

Motor driven

Electric or magnetic motor

417549, 417552, 417554, 310 35, 92162P, F04B 1703, F04B 5312

Patent

active

054723230

ABSTRACT:
A movable magnet type pump, wherein a magnet moving body having at least one axially magnetized permanent magnet and an axially extending through liquid passage is arranged so as to be slidable inside a liquid introducing chamber; a plurality of coils are fixed so as to enclose the liquid introducing chamber; a first check valve is arranged on a liquid introducing side of the liquid introducing chamber; a second check valve is arranged on a liquid discharge side of the through liquid passage; and the magnet moving body is caused to reciprocate by interaction between current applied to the respective coils and magnetic flux from the magnet moving body cutting across the respective coils.

REFERENCES:
patent: 3384021 (1968-05-01), Perron
patent: 3485441 (1969-12-01), Eaton
patent: 4376618 (1983-03-01), Toyoda et al.
patent: 4541787 (1985-09-01), DeLong
patent: 4610658 (1986-09-01), Buchwald et al.
patent: 4775301 (1988-10-01), Cartwright et al.
patent: 4808089 (1989-02-01), Buchholtz et al.

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