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.:

US 7040119 B1

PDF
Full Text
Expired
Date of Patent:
May. 09, 2006

Filed:

Feb. 08, 2002
Applicants:

Michael Bracha, Munich, DE;

Rolf Trill, Gruenwald, DE;

Joachim Wolf, Gruenwald, DE;

Inventors:

Michael Bracha, Munich, DE;

Rolf Trill, Gruenwald, DE;

Joachim Wolf, Gruenwald, DE;

Assignee:

Linde AG, Wiesbaden, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25J 1/00 (2006.01); F25B 19/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

Described is a process and a device for liquefying hydrogen, whereby the hydrogen to be liquefied is liquefied against one or more refrigerant (mixture) circuits and/or by means of expansion and is guided over at least one ortho-para conversion catalyst. According to the invention, the ortho-para conversion catalyst or at least one of the ortho-para conversion catalysts (K) can be bypassed. Furthermore, during the liquefaction process an exchange () can take place between the hydrogen fraction (), flowing () through the ortho-para conversion catalyst(s) (K), and the hydrogen fraction (), not flowing through the ortho-para conversion catalyst(s) (K).


Find Patent Forward Citations

Bracha, Michael. (2006). Method and device for liquefying hydrogen (U.S. Patent No. 7040119). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7040119

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…