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. 25, 2017
Filed:
Jun. 15, 2012
Applicant:
Denis Guenard, Givry, FR;
Inventor:
Denis Guenard, Givry, FR;
Assignee:
Thermodyn, Le Creusot, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/06 (2006.01); F04D 17/12 (2006.01); F04D 29/053 (2006.01);
U.S. Cl.
CPC ...
F01D 5/066 (2013.01); F04D 17/12 (2013.01); F04D 17/122 (2013.01); F04D 29/053 (2013.01); F05D 2230/60 (2013.01);
Abstract
A rotor structure is provided. The rotor structure includes a plurality of wheels, a main axial tie rod passing through the plurality of wheels and a first shaft and a second shaft each attached to one extremity of the main tie rod, wherein the main tie rod and the bore of an end wheel in contact with one of the first and second shafts delimit a hydraulic chamber configured to receive a hydraulic fluid, and wherein the main tie rod, the hydraulic chamber and the end wheel form an internal hydraulic tension device configured to preload the main tie rod.