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. 08, 2021
Filed:
Jun. 14, 2017
Applicant:
Voith Patent Gmbh, Heidenheim, DE;
Inventors:
Carsten Mende, Herbrechtingen, DE;
Thomas Neidhardt, Heidenheim, DE;
Assignee:
Voith Patent GmbH, Heidenheim, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F03B 3/02 (2006.01); F03B 15/02 (2006.01);
U.S. Cl.
CPC ...
F03B 3/02 (2013.01); F03B 15/02 (2013.01); F05B 2270/20 (2013.01); Y02E 10/20 (2013.01);
Abstract
A Francis turbine includes a waterway, an impeller disposed in the waterway, a distributor apparatus disposed in the waterway and an additional element for adjusting the flow of water through the turbine. The additional element is disposed in the waterway upstream of the impeller in the water flow direction, and the additional element includes a perforated metal sheet that may be brought into the waterway. A method for operating such a turbine is also provided.