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. 27, 2001
Filed:
Dec. 10, 1999
Applicant:
Inventor:
Friedrich Schwing, Gelsenkirchen, DE;
Assignee:
Schwing GmbH, Herne, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 7/00 ;
U.S. Cl.
CPC ...
F04B 7/00 ;
Abstract
A two-cylinder slurry pump (,) includes: a filling tank (,) for receiving thick matter; an agitator whose shaft (,) is placed in the filling tank (,), and a pivoting sleeve valve (,) fitted in the filling tank (,) which regulates the alternating intake and delivery strokes of the delivery cylinder. This pump also has an entry branch and an exit branch (,) pivotingly connected with the delivery piping (,). In accordance with the invention, the entry openings (,) of the delivery cylinders (,) are positioned behind the back wall (,) of the filling tank, and the exit branch (,) is positioned between the agitator shaft (,) and the back wall (,).