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.

Date of Patent:
Dec. 03, 2019

Filed:

Dec. 15, 2015
Applicant:

Alstom Renewable Technologies Wind B.v., GS Ridderkerk, NL;

Inventors:

Ferran Roura, Olot, ES;

Jose Luis Roman Mallada, Sant Just Desvern, ES;

Nicolas Velazquez, Barcelona, ES;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F03D 1/06 (2006.01); F16B 35/04 (2006.01); F16B 31/06 (2006.01); F03D 80/70 (2016.01); F03D 7/02 (2006.01);
U.S. Cl.
CPC ...
F03D 1/0658 (2013.01); F03D 1/0675 (2013.01); F03D 7/0204 (2013.01); F03D 7/0224 (2013.01); F03D 80/70 (2016.05); F16B 31/06 (2013.01); F16B 35/041 (2013.01); F05B 2260/301 (2013.01); Y02E 10/721 (2013.01);
Abstract

A bolted attachment having opposite threaded sections between which a shank is provided having at least two shank sections with different diameter located at a length from the threaded section of at least three times the difference between a diameter of a threaded section and a minimum diameter of the shank. At least one conical transition is formed between two adjacent shank sections where the ratio of its length to a difference between a diameter at one end of the transition and a diameter at the opposite end of the transition is of at least 0.85.


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