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. 27, 2015
Filed:
Jun. 10, 2011
Arnaldo Rodrigues, Winterthur, CH;
Arnaldo Rodrigues, Winterthur, CH;
Sulzer Pumpen AG, Winterthur, CH;
Abstract
A volute shaped pump casing () for a centrifugal pump includes a chamber for housing at least one impeller () mounted on a shaft () for rotating the impeller around an axis of rotation (), a volute shaped chamber which forms a flow channel divided into a first volute () and a second volute (), and a first channel () and a second channel () connected to the first and the second volute respectively. The first channel is also called long channel and the second channel is also called short channel. In the volute shaped pump casing (), the first or long channel () is axially displaced with respect to the second or short channel () and/or with respect to the second volute ().