Aquarium pump with reversible and adjustable flows

Details Aquarium pump with reversible and adjustable flows Aquarium pump with reversible and adjustable flows

1990-07-27

1992-07-21

Hruskoci, Peter

Pumps

Motor driven

Electric or magnetic motor

210169, 2104162, F04B 1700, F04B 3504

Patent

active

051318210

ABSTRACT:
The pump comprises a cylindrical container for an internal element, associated with a known permanent-magnet and defining two chambers, a lower suction chamber and an upper chamber for the impeller. The chambers have respectively a suction inlet and a discharge outlet. The internal element, actuated by a lever, is coupled to the container so as to be rotatable between two positions in which the suction inlet uncovers thereon respectively an axial port and a radial port while the discharge outlet uncovers respectively a radial port and the axial port. An element for throttling the axial port in its operation as suction inlet is rotatably coupled to the container below the suction chamber and is actuated by a second lever.

REFERENCES:
patent: 3698832 (1972-10-01), Price
patent: 4283645 (1981-08-01), Hofmann
patent: 4490250 (1984-12-01), Dockery
patent: 4559136 (1985-12-01), Dockery
patent: 4802980 (1989-02-01), Gilkey et al.
patent: 4985181 (1991-01-01), Strada et al.
patent: 5006238 (1991-04-01), Tominaga
patent: 5011600 (1991-04-01), Mowka et al.

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