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:
Jul. 15, 2014
Filed:
Aug. 11, 2010
Joerg Langel, Koeln-Porz, DE;
Joerg Langel, Koeln-Porz, DE;
Loesche GmbH, Duesseldorf, DE;
Abstract
A roller mill, particularly an air swept roller mill of the LOESCHE type. The roller mill is preferably provided for the comminution of cement clinker or granulated blast furnace slag and comprises on a grinding track of a rotating grinding pan stationary, rotating grinding rollers and between the grinding rollers stationary, rotatable preparation rollers which compress and remove air from the grinding bed. In order to increase the efficiency of the grinding process and at the same time to reduce the energy requirement the position of the preparation rollers is changed in such a way that the grinding material fed spirally to the grinding rollers is completely rolled over and compressed by the previously arranged preparation rollers. The preparation rollers are, seen in a top view of the grinding pan, positioned radially in the direction of the grinding pan center and roll with their running surfaces on a smaller running ring than the associated grinding rollers.