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:
Mar. 06, 1990
Filed:
Apr. 27, 1989
Applicant:
Inventors:
Stanislas Galaj, Arcueil, FR;
Alain Wicker, Paris, FR;
Assignee:
Compagnie Generale D'Electricite, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
21032167 ; 2103218 ; 21032189 ;
Abstract
Rotating membrane tangential filtration apparatus with low power consumption is characterized by a direct drive system (10) along the axis of its membrane (5), a sealing system (11, 16) between the residue and filtrate compartments, which system used frictional ceramic parts; the diameter of the filter membrane is small relative to its length, and the filter layer is arranged on its outside surface; it is provided with a system for taking up the slack caused by differential expansion.