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. 12, 2018
Filed:
Feb. 18, 2015
Applicant:
Nuovo Pignone S.p.a., Florence, IT;
Inventors:
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 3/107 (2006.01); F01D 1/04 (2006.01); F02C 6/14 (2006.01); F02C 6/18 (2006.01); F01D 15/08 (2006.01); F01D 15/10 (2006.01); F01D 15/12 (2006.01);
U.S. Cl.
CPC ...
F01D 1/04 (2013.01); F01D 15/08 (2013.01); F01D 15/10 (2013.01); F01D 15/12 (2013.01); F02C 3/107 (2013.01); F02C 6/14 (2013.01); F02C 6/18 (2013.01); Y10T 29/4932 (2015.01);
Abstract
Method, system and axial multistage expander including a casing and a plurality of stages. A stage includes a stator part connected to the casing and having plural statoric airfoils, and a rotor part configured to rotate relative to the stator part and having plural rotoric airfoils. The axial multistage expander also includes a support mechanism connected to the casing and configured to rotatably support the rotor part. Rotoric airfoils of at least one stage of the plurality of stages are configured to rotate with a speed different from rotoric airfoils of the other stages. The stator part, the rotor part and the support mechanism of the plurality of stages are provided inside the casing.