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. 25, 2024
Filed:
Jul. 03, 2020
Applicant:
Weir Minerals Europe Limited, Todmorden, GB;
Inventors:
Pavol Loderer, Todmorden, GB;
Matthew Locke, Todmorden, GB;
Paul Clarence, Todmorden, GB;
Wilson Bernardo, Jr., Santiago, CL;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/12 (2006.01); F16J 15/3204 (2016.01); F16J 15/34 (2006.01);
U.S. Cl.
CPC ...
F04D 29/126 (2013.01); F16J 15/3204 (2013.01); F16J 15/3452 (2013.01);
Abstract
A seal arrangement is described for providing a seal between a rotatable shaft and a housing having a wall through which the shaft extends. The seal arrangement includes, in series, a mechanical seal and a gland seal. The mechanical seal is positioned axially inwardly of the gland seal such that the mechanical seal forms a first stage or primary seal and the gland seal forms a secondary seal.