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:
Nov. 24, 2011
Carl Stahle, Neunkirch, CH;
Ciro Robles, Neunkirch, CH;
Carl Stahle, Neunkirch, CH;
Ciro Robles, Neunkirch, CH;
Frideco AG, Neunkirch, CH;
Abstract
The invention relates to a cover plate () for a screw-type centrifugal wheel pump (), wherein the cover plate () has a front side () and a rear side (), and wherein the front side () comprises a surface part () which runs in a preferably frustoconical manner and the profile of which is designed to be matched to the rear side of a screw-type centrifugal wheel (), wherein the surface part () has, in the center thereof, a central opening (), wherein the central opening () runs in the direction of an axis (A), and wherein the cover plate () has at least one aperture () which is arranged in the region of the surface part () and spaced apart from the central opening (), and wherein the aperture () forms a fluid-conducting connection between the front side () and the rear side () of the cover plate ().