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. 23, 1987
Filed:
Sep. 16, 1985
Applicant:
Inventors:
Dieter Kiefer, Wesel-Bislich, DE;
Helmut Grommes, Duisburg, DE;
Assignee:
Deutsche Babcock Werke Aktiengesellschaft, Oberhausen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B02C / ;
U.S. Cl.
CPC ...
2411012 ; 241117 ; 277-3 ; 277 15 ; 277 74 ; 277227 ;
Abstract
Grinding elements of a mill rotating inside a mill housing are sealed off relative to the mill housing by an isolating air chamber. The isolating air chamber is limited by sealing rings abutting against the mill elements and a sealing ring housing. The sealing ring housing is connected to the mill housing. An intermediate insulation is provided between the sealing ring housing and the mill housing. The mill housing is sealed off to the outside by a collar.