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:
Feb. 04, 2020
Filed:
Feb. 15, 2017
Applicant:
Andritz Hydro Gmbh, Vienna, AT;
Inventors:
Assignee:
ANDRITZ HYDRO GMBH, Vienna, AT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F03B 1/02 (2006.01);
U.S. Cl.
CPC ...
F03B 1/02 (2013.01); F05B 2260/30 (2013.01);
Abstract
A Pelton runner with a wheel disk and separately fabricated buckets (), which may be cast or made from a solid block of material and secured detachably to the wheel disk (), fastened by at least one screw () or at least one bolt. At least one screw or at least one bolt is designed as an expansion screw () or expansion bolt, where the expansion screw () or expansion bolt is subjected to controlled pre-stressing, and each bucket () has at least one expansion screw () or expansion bolt that is arranged perpendicular to the axis of rotation of the wheel disk () and secured to the wheel disk ().