Resources Contact Us Home
Aquarium filter water return chamber

Image Number 3 for United States Patent #7601258.

An improved water return system for water reservoirs such as aquariums and ponds that provides a return of filtered water through a series of holes rather than a curved weir or spillway. The use of the holes provides for high oxygenation of the water prior to its return to the water reservoir to the benefit of life in the water reservoir. Further, the use of the holes provides reduced noise upon the return of the water because of the surface tensions attracting adjacent streams to each other. Also, placement of the holes provides a damming effect for the filter media that can become a site for the cultivation of beneficial bacteria that are necessary to remove ammonia and nitrites from the water by positioning the media mostly out of water, thereby allowing necessary oxygen to be freely available to grow bacteria.

  Recently Added Patents
Radio communication system, base station device and mobile station device utilizing an intermittent reception
Inhibitor of casein kinase 1delta and casein kinase 1E
FET device having ultra-low on-resistance and low gate charge
Medical injector
Fuel cell system, and electric vehicle equipped with the fuel cell system
Processing autocomplete suggestions
Image output method and device, and image display
  Randomly Featured Patents
System and method of providing IMS services to users on terminating non IMS devices
Fecalator, an apparatus and method for concentration of parasite eggs and larvae
Fluid motor
Video codec with weighted prediction utilizing local brightness variation
Catalyst for exhaust gas purification, process for producing the same, and method of purifying exhaust gas
Men's razor handle
Polyester resin composition
Bottle crate
Latch needle for machines for producing knitted goods
Process and apparatus for detecting sample molecules in a carrier gas