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:
Jun. 12, 2001
Filed:
May. 18, 2000
Alfred Giersberg, Bergkamen, DE;
Egner Umwelttechnologie GmbH, Adelsheim, DE;
Abstract
A staged filter apparatus (,) for mechanically separating solids from liquids flowing in channels, gutters or conduits, which has a multiplicity of stage screen bars (,) connected to form a stationary grating (,), and a multiplicity of stage screen bars (,) connected to form a movable grating (,), the gratings (,) being arranged inclined in the direction of flow inside the flowing liquid starting from a level situated below the surface, and the stage screen bars (,) being constructed in a stepped fashion in the direction facing the incoming flow, and in which the movable grating (,) can be actuated by means of a drive device (,) on a track. The stationary grating (,) being surrounded at least laterally by frame parts (,), is distinguished in that all the drive elements (,) of the movable grating (,) are essentially arranged in the common plane formed by the stationary grating (,) and the movable grating (,) in the zero position.