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:
Oct. 15, 2019

Filed:

Sep. 20, 2012
Applicant:

Linde Aktiengesellschaft, Munich, DE;

Inventors:

Georg Demski, Augsburg, DE;

Alexander Alekseev, Wolfratshausen, DE;

Thomas Rathbone, Kirkcaldy, GB;

Dimitri Goloubev, Munich, DE;

Ayhan Yayli, Munich, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25J 3/00 (2006.01); F25J 3/04 (2006.01);
U.S. Cl.
CPC ...
F25J 3/04454 (2013.01); F25J 3/04 (2013.01); F25J 3/0409 (2013.01); F25J 3/0486 (2013.01); F25J 3/04103 (2013.01); F25J 3/04157 (2013.01); F25J 3/04169 (2013.01); F25J 3/04181 (2013.01); F25J 3/04206 (2013.01); F25J 3/04212 (2013.01); F25J 3/04218 (2013.01); F25J 3/04303 (2013.01); F25J 3/04309 (2013.01); F25J 3/04448 (2013.01); F25J 3/04872 (2013.01); F25J 3/04878 (2013.01); F25J 3/04884 (2013.01); F25J 2200/10 (2013.01); F25J 2200/54 (2013.01); F25J 2205/02 (2013.01); F25J 2205/32 (2013.01); F25J 2205/34 (2013.01); F25J 2205/62 (2013.01); F25J 2215/54 (2013.01); F25J 2235/42 (2013.01); F25J 2235/50 (2013.01); F25J 2235/52 (2013.01); F25J 2245/50 (2013.01); F25J 2250/04 (2013.01); F25J 2250/10 (2013.01); F25J 2250/40 (2013.01); F25J 2250/50 (2013.01);
Abstract

The method and the device arc used for the cryogenic decomposition of air in a distillation column system for separating nitrogen and oxygen, said system having a first high-pressure column (), a low-pressure column (), and three condenser-evaporators, namely a high-pressure column head condenser (), a low-pressure column bottom evaporator (), and an auxiliary condenser ().


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