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:
Jan. 30, 2018
Filed:
Mar. 27, 2013
Weir Minerals Europe Limited, Lancashire, GB;
Pavol Loderer, Todmorden, GB;
Aleksander S. Roudnev, Deforest, WI (US);
Luis Moscoso Lavagna, North Ryde, AU;
Weir Minerals Europe Limited, Lancashire, GB;
Abstract
A pump () comprising a pump casing () having front and rear sides () with a pumping chamber (), a chamber inlet () and a discharge outlet (). An impeller () within the chamber rotates about an axis. The chamber includes an inner region at or near the axis and an outer region remote from the axis within which is the discharge outlet. The impeller includes a shroud () having front and rear faces () with a plurality of pumping vanes (). A collection chamber () is provided at the rear side of the pump casing in fluid communication with the pumping chamber. The impeller includes one or more passageways () through the shroud, one end opening into the collection chamber and the other opening into the pumping chamber through the impeller front face. A flow inducer () is within the collection chamber, which includes a venting outlet () and a transfer outlet zone in fluid communication with the outer region of the pumping chamber.