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:
Apr. 24, 2018
Filed:
Sep. 06, 2012
Matteo Berti, Florence, IT;
Stefano Bresciani, Florence, IT;
Ravindranath PS, Bangalore, IN;
Lorenza Sassolini, Florence, IT;
Alessandro Ciani, Florence, IT;
Matteo Berti, Florence, IT;
Stefano Bresciani, Florence, IT;
Ravindranath Ps, Bangalore, IN;
Lorenza Sassolini, Florence, IT;
Alessandro Ciani, Florence, IT;
Other;
Abstract
A rotary machine includes a machine rotor, a machine stator, a labyrinth seal disposed between the machine rotor and the machine stator, a dry gas seal disposed between the machine rotor and the machine stator, the dry gas seal being disposed downstream of the labyrinth seal, the labyrinth seal including a labyrinth seal rotor, and, a labyrinth seal stator, the labyrinth seal stator having a cavity containing a heat transfer medium configured to transfer heat between the labyrinth seal stator and a zone adjacent the labyrinth seal stator to cool or heat a pressurized process fluid before the process fluid bears against the dry gas seal.