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. 01, 2003
Filed:
May. 18, 2001
Applicant:
Inventors:
Guido Kraemer, Zuckenriet, CH;
Laszlo Jud, Berg, CH;
Assignee:
Bühler AG, Uzwil, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B02C 1/3284 ;
U.S. Cl.
CPC ...
B02C 1/3284 ;
Abstract
The invention relates to a vertical rotor mill, especially to an impact pulverizer or to a hammer mill for grinding granular material using impact tools ( ). Said tools are fixed to a rotating, vertically arranged rotor ( ) which is enclosed by a screen ( ). The grinding chamber ( ) is in turn enclosed by a conic housing ( ). The aim of the invention is to simplify access to the screen ( ) and to the impact tools ( ), and to improve the operating characteristics. To this end, the cone ( ) can be lowered together with the screen ( ).