Impeller assembly for aquarium power filter

Details Impeller assembly for aquarium power filter Impeller assembly for aquarium power filter

1992-04-13

1993-08-24

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Rotor having flow confining or deflecting web, shroud or...

Radially extending web or end plate

416200R, 416223R, 2104162, F04D 2918

Patent

active

052383679

ABSTRACT:
A water pump including a rotating impeller is located between the two filter chambers, and pumps water from the aquarium tank, via the inlet conduit, into a corridor which communicates with the two filter chambers. The impeller is constructed with relatively closely spaced radially extending blades, each of which is formed of a circular disk. A base edge, or chord, of each blade is inclined upon a frustoconical surface of a central hub of the impeller.

REFERENCES:
patent: 470097 (1892-03-01), Baldwin
patent: 1001951 (1991-08-01), Hawkins
patent: 1944525 (1934-01-01), Pereyra
patent: 2637537 (1953-05-01), Ernst
patent: 3526467 (1970-09-01), Kime
patent: 3540834 (1970-11-01), Allerton
patent: 3588280 (1971-06-01), Yedidiah
patent: 3784321 (1974-01-01), Woell, Jr.
patent: 3905719 (1975-09-01), Minnich
patent: 4735715 (1988-04-01), Willinger
patent: 5108257 (1992-04-01), Fukazawa et al.

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