Liquid purification or separation – Structural installation – Closed circulating system
Patent
1984-04-04
1986-05-20
Fisher, Richard V.
Liquid purification or separation
Structural installation
Closed circulating system
2104162, E04H 316, E04H 320
Patent
active
045899827
ABSTRACT:
An aquarium power pack pump assembly which can be removably applied to an aquarium filter or an aquarium vacuum as the pumping source for these devices. The power pack includes a housing with a cylindrical compartment contained in the housing and separated from the rest of the housing. The cylindrical compartment terminates into a neck portion depending from the housing. An axial aperture at one end of the neck portion permits the intake of water from the aquarium tank and a side aperture in the neck portion permits the discharge of water from the cylindrical compartment. A motor unit is provided in the housing which includes a stack of stator laminations having a coil crossing it. The stator laminations define a bore which receives the cylindrical compartments. A pump impeller unit is positioned in the compartment and is magnetically coupled to the motor unit for rotation upon energization of the coil. When applied to the aquarium filter, it will draw water into the filter for aeration and filtration. When removed and applied to the aquarium vacuum, it will draw debris laden aquarium water into the vacuum for cleaning of the aquarium water.
REFERENCES:
patent: 3225930 (1965-12-01), Willinger
patent: 3321082 (1967-05-01), Willinger
patent: 3512646 (1970-05-01), Willinger
patent: 3516543 (1970-06-01), Willinger
patent: 4186093 (1980-01-01), Willinger
patent: 4285813 (1981-08-01), Stewart et al.
Cohen Sharon T.
Fisher Richard V.
Friedman Abraham
Willinger Bros. Inc.
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