Aquarium filtration apparatus
US4285813A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 28, 1979 |
| Grant date | Aug 25, 1981 |
| Priority date | — |
| Expiry date | Jun 28, 1999 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01K63/045
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Aquarium filtration apparatus having a generally trough-shaped filter housing, the rear wall having a bracket portion for hanging on an aquarium, an impeller assembly having a drive magnet being positioned within the bottom of the filter housing with a motor assembly coupled to the undersurface of the bottom with a power driven magnet on the motor assembly in spaced proximate relation to effect magnetic coupling with the magnet of the impeller assembly. An intake assembly is provided in fluid communication with the impeller assembly and with the aquarium water for drawing water from the aquarium into the filter housing. In a first embodiment, the intake assembly is an intake tube having a portion within the filter housing. In a second embodiment, the intake assembly includes a filter chamber within the filter housing in fluid communication with the impeller assembly with an intake tube coupled to the filter chamber for drawing water from the aquarium into the chamber. A top cover is provided with a float having an indicator portion extending through the cover which is viewable when the water level rises to pivot the float. A filter cartridge may be utilized or filtration media may …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.