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:
Jul. 17, 2018
Filed:
May. 12, 2014
Applicant:
Nuovo Pignone Srl;
Inventors:
Marco Santini, Florence, IT;
Giorgio Marchetti, Florence, IT;
Assignee:
Nuovo Pignone Srl, Florence, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 46/00 (2006.01); B01D 46/42 (2006.01); F01D 25/32 (2006.01); F02C 7/05 (2006.01); F02C 7/052 (2006.01); F02C 7/055 (2006.01);
U.S. Cl.
CPC ...
B01D 46/0026 (2013.01); B01D 46/008 (2013.01); B01D 46/0023 (2013.01); B01D 46/0068 (2013.01); F02C 7/052 (2013.01); F02C 7/055 (2013.01); B01D 2279/60 (2013.01); F05D 2220/32 (2013.01); F05D 2230/60 (2013.01); F05D 2230/70 (2013.01);
Abstract
A filter system for filtering intake air of a gas turbine is presented. The filter system includes a first filter arrangement. The filter system further includes a second filter arrangement located downstream from the first filter arrangement and having a collection efficiency higher than a collection efficiency the first filter arrangement. Furthermore, the filter system includes a guard filter arrangement located between the first filter arrangement and the second filter arrangement, where a collection efficiency of the guard filter arrangement is lower than the collection efficiency of the first filter arrangement.