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:
Dec. 11, 2007
Filed:
Apr. 28, 2006
Applicants:
Jussi Ahlroth, Jämsä, FI;
Jorma Lehtonen, Mänttä, FI;
Inventors:
Jussi Ahlroth, Jämsä, FI;
Jorma Lehtonen, Mänttä, FI;
Assignee:
Sulzer Pumpen AG, Winterthur, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a sealing arrangement for attaching a side plate often used with a pump volute of a centrifugal pump and an attachment screw used therewith. A characterizing feature of the sealing arrangement for attaching the side plate of a centrifugal pump, comprising at least a pump volute () and a side plate () with attachment screws () and flanges () of the screws () arranged in communication with the volute () or the cover of the casing, is that an annular seal () is arranged between the screw () and the volute or the cover of the casing.