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. 16, 2014
Applicant:
Sulzer Management Ag, Winterthur, CH;
Inventor:
Heikki Manninen, Mänttä, FI;
Assignee:
SULZER MANAGEMENT AG, Winterthur, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/22 (2006.01); F04D 1/00 (2006.01); F04D 17/08 (2006.01); F04D 29/24 (2006.01); F04D 29/28 (2006.01); F04D 29/12 (2006.01);
U.S. Cl.
CPC ...
F04D 29/2233 (2013.01); F04D 1/00 (2013.01); F04D 17/08 (2013.01); F04D 29/2266 (2013.01); F04D 29/242 (2013.01); F04D 29/245 (2013.01); F04D 29/281 (2013.01); F04D 29/126 (2013.01); F04D 29/28 (2013.01);
Abstract
A rotor structure for a centrifugal flow machine includes working vanes attached to the hub of the rotor without any support disc or shroud. Additionally, the vane has a device for efficiently flushing the sealing chamber behind the rotor.