The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 21, 2001
Filed:
Jan. 27, 2000
David Jacobs, Limal, BE;
Aquasystems International N.V., Halle, BE;
Abstract
The invention describes an apparatus which can be used both for aeration of water and mixing of water. The apparatus comprises a power source which can drive a helical propelling device, whereby the propelling device can operate in both directions of rotation. The propelling device is located completely below the surface of the water. Further, the apparatus is fitted with an additional circulation element which is positioned above the propelling device and at least partly below the surface of the water. The apparatus can also be fitted with further conventional elements such as a pump housing, a deflector and so on. The propelling device is affixed to the shaft below the surface of the water and at a distance from the surface of the water which is such that, as a function of the speed of rotation and the dimensioning of the propelling device, the distance between the top side of the propelling device and the surface of the water is sufficiently great to prevent air being sucked in when the propelling device is operating in the mixing mode but does allow the water which is pumped up to be dispersed across the surface of the water or the air sucked in to be driven into the water if the propelling device is operating in aeration mode.