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. 07, 2001
Filed:
Jun. 28, 2000
Applicant:
Inventors:
John Henri Royal, Grand Island, NY (US);
Arun Acharya, East Amherst, NY (US);
Christian Friedrich Gottzmann, Clarence, NY (US);
Dante Patrick Bonaquist, Grand Island, NY (US);
Bayram Arman, Grand Island, NY (US);
Joseph Alfred Weber, Cheektowaga, NY (US);
Assignee:
Praxair Technology, Inc., Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 9/00 ; F25J 3/00 ;
U.S. Cl.
CPC ...
F25B 9/00 ; F25J 3/00 ;
Abstract
A cryogenic rectification system wherein some or all of the refrigeration necessary to drive the rectification is generated by providing a pulse to a gas and then passing the compressed gas to a pulse tube wherein the gas expands in a wave generating refrigeration at one end of the pulse tube for transfer into the rectification system.