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. 10, 1981
Filed:
Jun. 13, 1979
Applicant:
Inventor:
Rud F Madsen, Nakskov, DK;
Assignee:
Aktieselskabet de Danske Sukkerfabrikker, Copenhagen, DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210404 ; 210406 ; 210411 ;
Abstract
In a rotary drum or disc filter having circumferentially distributed cells in constant communication through open outlets with a common vacuum chamber, which may be the interior of the drum, or part of that interior, or a separate chamber rotating together with the filter. In a position of each cell where filter cake is to be blown off, a jet of compressed air or steam is injected into the respective outlet through a nozzle which combines with the outlet to form an ejector pump (jet pump).