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:
May. 24, 1988
Filed:
Oct. 30, 1986
Applicant:
Inventors:
Takazumi Ishizu, Hikari, JP;
Masahiro Yamazaki, Kudamatsu, JP;
Shozi Koyama, Yamaguchi, JP;
Kazunori Nagae, Hikari, JP;
Junichi Hosokawa, Kudamatsu, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25J / ;
U.S. Cl.
CPC ...
62 38 ; 62 18 ; 62 43 ;
Abstract
The invention discloses a method of gas separation which pressurizes part of a raw gas issuing from the outlet of an adsorbing tower by employing a compressor portion of an expander compressor, cools the pressurized gas by means of a main heat exchanger, and expands the cooled gas by means of an expansion turbine of the expander compressor, thereby efficiently carrying out gas separation with a simple arrangement.