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:
May. 25, 1993
Filed:
Feb. 14, 1992
Wilhelm P Doppelfeld, Euskirchen, DE;
Werner Pieper, Kerpen, DE;
Wilhelm Giechau, Hurth, DE;
Hilmar Roszinski, Erftstadt, DE;
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Abstract
An apparatus is provided for fumigating waste waters in a fumigation tank with fumigation enclosures (gas manifolds which are situated in parallel next to one another and at a distance from one another and rest horizontally, in whose upper sides gas outlet openings are situated and whose undersides are open, wherein mobile rotation bodies rotated by gas flow are situated for cleaning purposes in the gas outlet openings 13 of the fumigation enclosures 14 and the gas outlet openings 13 each have, in a known manner, a central countersunk section 12 enclosing an angle .alpha. of, for example, 90 to 180.degree. underneath and the remaining wall thickness 15 of the gas outlet opening 13 of each countersunk section 12 amounts to 0.5 to 2 mm. The rotation body according to the invention may comprise a top section 1 and a base section 3 which are joined to a neck section 2.