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. 29, 2005
Filed:
Jun. 03, 2003
Applicants:
Riccardo Beccaluva, Limite Sull'Arno, IT;
Stefano Mantellassi, Lamporecchio, IT;
Antonio Pumo, Florence, IT;
Inventors:
Riccardo Beccaluva, Limite Sull'Arno, IT;
Stefano Mantellassi, Lamporecchio, IT;
Antonio Pumo, Florence, IT;
Assignee:
Nuovo Pignone Holding S.p.A., Florence, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D011/00 ;
U.S. Cl.
CPC ...
Abstract
A sealing system () which ensures the safe operation of very high pressure centrifugal compressors which process lethal gases. The system comprises sealing means () separated by an annular chamber (), and a discharge line () for collecting and eliminating any gases that may be released.