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:
Nov. 28, 2017
Filed:
Jun. 18, 2013
Applicant:
Nuovo Pignone Srl, Florence, IT;
Inventors:
Manuele Bigi, Florence, IT;
Massimo Camatti, Florence, IT;
Bhaskara Kosamana, Bangalore, IN;
Rajesh Mavuri, Bangalore, IN;
Massimiliano Borghetti, Florence, IT;
Rajesh Mamidi, Bangalore, IN;
Assignee:
Nuovo Pignone Srl, Florence, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/22 (2006.01); F04D 29/16 (2006.01); F04D 29/28 (2006.01); F04D 29/58 (2006.01); F04D 1/00 (2006.01);
U.S. Cl.
CPC ...
F04D 29/2266 (2013.01); F04D 1/00 (2013.01); F04D 29/162 (2013.01); F04D 29/284 (2013.01); F04D 29/584 (2013.01);
Abstract
A centrifugal compressor including: a casing; at least one impeller supported for rotation in the casing and provided with a hub, a shroud and an impeller eye; an impeller-eye sealing arrangement, for sealing the impeller in the region of said impeller eye. The centrifugal compressor further includes at least one cooling-medium portlocated at the impeller-eye sealing arrangement, arranged for delivering a cooling medium around the impeller eye.