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:
Sep. 12, 2017
Filed:
Oct. 15, 2012
Applicants:
Stephane Sgambati, Balderscheim, FR;
Frank Haensel, Freiburg, DE;
Inventors:
Stephane Sgambati, Balderscheim, FR;
Frank Haensel, Freiburg, DE;
Assignee:
Cryostar SAS, Hesingue, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 15/00 (2006.01); F03B 13/00 (2006.01);
U.S. Cl.
CPC ...
F01D 15/005 (2013.01); F03B 13/00 (2013.01); F05B 2220/60 (2013.01); F05B 2220/602 (2013.01); Y02B 10/50 (2013.01);
Abstract
A cryogenic liquid expansion turbine has a turbine wheel mounted on a rotary shaft, at least one radial inlet for cryogenic liquid to be expanded in the expansion turbine for the rotary shaft, and a dry gas sealing means at a position along the rotary shaft between the turbine wheel and the bearings. There is a thermal barrier member between the turbine wheel and the dry gas sealing means, a gas chamber on the dry gas sealing means side of the thermal barrier member, and an internal passage for cryogenic gas to the said gas chamber. A method is also provided.