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:
Oct. 02, 2012
Filed:
Jun. 17, 2009
Applicants:
Joseph Andrew Tecza, Scio, NY (US);
Stephen Samuel Rashid, Wellsville, NY (US);
Inventors:
Joseph Andrew Tecza, Scio, NY (US);
Stephen Samuel Rashid, Wellsville, NY (US);
Assignee:
Dresser-Rand Company, Olean, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 9/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A stator for a turbomachine. The stator includes a plurality of nozzle vanes, with the distance between each of the plurality of nozzle vanes varying circumferentially around the stator in a repeating pattern configured to distribute a vibration energy over a plurality of side band vibration frequencies around a nominal passing frequency in a rotor.