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.

Date of Patent:
Mar. 12, 2024

Filed:

Nov. 27, 2020
Applicant:

Nuovo Pignone Tecnologie—s.r.l., Florence, IT;

Inventors:

Emanuele Rizzo, Florence, IT;

Massimiliano Tempestini, Florence, IT;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 11/02 (2006.01); F01D 25/24 (2006.01);
U.S. Cl.
CPC ...
F01D 11/02 (2013.01); F01D 25/246 (2013.01); F05D 2230/64 (2013.01); F05D 2240/59 (2013.01); F05D 2260/31 (2013.01); F05D 2260/36 (2013.01);
Abstract

The composite seal structure includes a carrier ring and a seal element housed in an annular groove formed between a circumferential outer wall and two side walls of the carrier ring. The seal element has a first region in surface-to-surface contact with the annular groove and a second, seal-ing region protruding from the annular groove. A fastening arrangement couples the seal element and the carrier ring to one another. The fastening arrangement comprises a plurality of fastening pins circumferentially arranged around the axis of the carrier ring. Also disclosed is a method for manufacturing the seal structure.


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