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. 09, 2021
Filed:
Aug. 07, 2018
Grundfos Holding A/s, Bjerringbro, DK;
GRUNDFOS HOLDING A/S, Bjerringbro, DK;
Abstract
A centrifugal pump () includes a pump casing and a shaft () which is rotatably mounted therein and on which an impeller (), for delivering fluid, is arranged rotationally fixed. A cartridge shaft seal () is arranged between the shaft () and an opening () of the casing, through which opening the shaft () is led. The cartridge shaft seal () includes a sleeve () which surrounds the shaft () at least in the region of the openingand which is connected to the shaft () releasably and rotationally fixed, by way of a clamping device () which is arranged on the outer side of the sleeve (). The clamping device () includes clamping jaws () which only engage on the outer side of the sleeve () and non-positively connect the sleeve () to the shaft ().