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:
Apr. 16, 2013
Filed:
Mar. 20, 2008
Applicants:
Benoit Des Roches, Quebec, CA;
Vincent Francou, Quebec, CA;
Christine Monette, Quebec, CA;
Eric Ferland, Quebec, CA;
Inventors:
Benoit Des Roches, Quebec, CA;
Vincent Francou, Quebec, CA;
Christine Monette, Quebec, CA;
Eric Ferland, Quebec, CA;
Assignee:
Andritz Technology and Asset Management, Graz, AT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F03B 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A hydraulic turbine has a runner blade bolted to a hollow runner hub. The runner blade has a flange that mates with a corresponding recess on the hub. Bolting connections pass through complementary array like patterns of apertures spread across and in the hub and blade flange to attach the blades to the hub.