Unit utilizing current to control reciprocation for pushing...

Details Unit utilizing current to control reciprocation for pushing... Unit utilizing current to control reciprocation for pushing...

2006-06-06

2006-06-06

Freay, Charles G. (Department: 3746)

Pumps

Expansible chamber type

Plural pumping chambers

C417S418000, C417S560000, C417S417000, C417S415000, C137S533190

Reexamination Certificate

active

07056105

ABSTRACT:
A unit utilizing current to control reciprocation for pushing fluids, including a chamber, a magnet, a coil connected with a circuit, a first inlet, a first outlet, a second inlet, a second outlet, a first valve and a second valve. The magnet is slidably disposed in the chamber. The coil is disposed around the chamber for driving the magnet to reciprocally move. The first inlet and first outlet are disposed at one end of the chamber. The second inlet and second outlet are disposed at the other end of the chamber. The first valve is disposed between the first inlet, the first outlet and the chamber. The second valve is disposed between the second inlet, the second outlet and the chamber. The magnet can drive the first and second valves to suck a fluid into the first and second inlets and push a fluid out of the first and second outlets.

REFERENCES:
patent: 461295 (1891-10-01), Van Depoele
patent: 2283886 (1942-05-01), Henkell
patent: 3134938 (1964-05-01), Morgan
patent: 3162134 (1964-12-01), Lovell
patent: 3664774 (1972-05-01), Tupper et al.
patent: 3754154 (1973-08-01), Massie
patent: 4272226 (1981-06-01), Osborne
patent: 4375941 (1983-03-01), Child

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