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:
Jan. 13, 2015
Filed:
Jun. 03, 2011
Applicants:
Mirko Bothien, Zürich, CH;
Bruno Schuermans, La Tour de Peilz, CH;
Nicolas Noiray, Bern, CH;
Andreas Huber, Baden, CH;
Adrian Glauser, Umiken, CH;
Inventors:
Mirko Bothien, Zürich, CH;
Bruno Schuermans, La Tour de Peilz, CH;
Nicolas Noiray, Bern, CH;
Andreas Huber, Baden, CH;
Adrian Glauser, Umiken, CH;
Assignee:
Alstom Technology Ltd., Baden, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 13/02 (2010.01);
U.S. Cl.
CPC ...
F23M 99/005 (2013.01); F23R 2900/00014 (2013.01);
Abstract
A damper arrangement () has a first Helmholtz damper () connected in series to a second Helmholtz damper (). The resonance frequency of the first Helmholtz damper () and the resonance frequency of the second Helmholtz damper () are shifted from one another in an amount producing a synergic damping effect.