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:
Jan. 08, 2002
Filed:
Jul. 03, 2000
Applicant:
Inventor:
Horst Corduan, Puchheim, DE;
Assignee:
Linde Aktiengesellschaft, Wiesbaden, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25J 3/00 ;
U.S. Cl.
CPC ...
F25J 3/00 ;
Abstract
The method and the device are used for the cryogenic separation of air. Compressed and purified application air ( ) is cooled in a main heat exchanger ( ) and is at least partially fed ( ) to a rectifying column ( ). A first partial flow ( ) of the application air is fed to the main heat exchanger ( ), is at least partially withdrawn at a first intermediate temperature from the main heat exchanger ( ), and is fed to a cold compression ( ). The first partial flow ( ) is warmed up ( ) upstream of its withdrawal ( ) at the first intermediate temperature in the main heat exchanger ( ).