Aquarium filtration system with liquid distributor and protein skimmer
US4988436A · kind A · utility
Inventor
Key dates
| Filing date | Oct 11, 1989 |
| Grant date | Jan 29, 1991 |
| Priority date | — |
| Expiry date | Oct 11, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01K63/045
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A filtration system for an aquarium is shown which includes a biological filter chamber having an inlet supplied with aquarium water to be filtered, an outlet for returning filtered water to the aquarium, and an interior containing a biological filter medium. A trickle plate is located at the inlet to the biological filter chamber for supplying an even distribution of water to the filter medium. A stationary spray bar located above said trickle plate and connected to the inlet, the stationary spray bar being provided with apertures for supplying water to the trickle plate. A reservoir chamber is located below the biological filter chamber and contains a protein skimmer and one or more supplemental filter stations for further filtering the water before recirculating the water to the aquarium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.