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:
Aug. 27, 2002
Filed:
Sep. 27, 2001
Applicant:
Inventors:
Mohammad Abdul-Aziz Rashad, Kenmore, NY (US);
Kenneth Kai Wong, Amherst, NY (US);
Henry Edward Howard, Grand Island, NY (US);
Dante Patrick Bonaquist, Grand Island, NY (US);
Bayram Arman, Grand Island, NY (US);
Assignee:
Praxair Technology, Inc., Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25J 1/00 ;
U.S. Cl.
CPC ...
F25J 1/00 ;
Abstract
A method for generating refrigeration using a turboexpander or reverse Brayton cycle which can more efficiently generate refrigeration especially to cryogenic temperatures using a defined refrigerant mixture containing argon and/or nitrogen.