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:
Oct. 20, 2020
Filed:
Jan. 15, 2018
Applicants:
Neil M. Prosser, Lockport, NY (US);
James R. Dray, Buffalo, NY (US);
Paul W. Belanger, Clarence Center, NY (US);
Maulik R. Shelat, Williamsville, NY (US);
Inventors:
Neil M. Prosser, Lockport, NY (US);
James R. Dray, Buffalo, NY (US);
Paul W. Belanger, Clarence Center, NY (US);
Maulik R. Shelat, Williamsville, NY (US);
Assignee:
PRAXAIR TECHNOLOGY, INC., Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 9/02 (2006.01); F25B 9/10 (2006.01); F25J 1/00 (2006.01); F25J 1/02 (2006.01); F25B 25/00 (2006.01); B64G 1/40 (2006.01); F25B 40/00 (2006.01); F02K 9/42 (2006.01);
U.S. Cl.
CPC ...
F25B 9/02 (2013.01); B64G 1/402 (2013.01); F25B 9/10 (2013.01); F25B 25/005 (2013.01); F25B 40/00 (2013.01); F25J 1/005 (2013.01); F25J 1/0017 (2013.01); F25J 1/0052 (2013.01); F25J 1/0057 (2013.01); F25J 1/0062 (2013.01); F25J 1/0065 (2013.01); F25J 1/0097 (2013.01); F25J 1/0244 (2013.01); F25J 1/0254 (2013.01); F25J 1/0268 (2013.01); F25J 1/0275 (2013.01); F25J 1/0292 (2013.01); F02K 9/425 (2013.01); F17C 2223/0169 (2013.01); F25B 2309/022 (2013.01); F25J 2210/42 (2013.01); F25J 2240/02 (2013.01); F25J 2240/40 (2013.01); F25J 2270/904 (2013.01); F25J 2290/34 (2013.01);
Abstract
Closed-loop refrigeration cycles for liquid oxygen densification are disclosed. The disclosed refrigeration cycles may be turbine-based refrigeration cycles or a Joule-Thompson (JT) expansion valve based refrigeration cycles and include a refrigerant or working fluid comprising a mixture of neon or helium together with nitrogen and/or oxygen.