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:
Apr. 18, 1989
Filed:
Sep. 21, 1987
Applicant:
Inventors:
Assignee:
Teijin Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ;
U.S. Cl.
CPC ...
55158 ; 55179 ; 55270 ; 55271 ; 55387 ; 55389 ; 55417 ;
Abstract
An apparatus for producing an oxygen enriched gas having a compressor for supplying air under pressure, a unit for producing a gas enriched with oxygen from the air supplied from the compressor, a gas storage tank for reserving the oxygen enriched gas produced from the producing unit, a flow rate setting unit to set a flow rate of the oxygen enriched gas delivered from the gas storage tank, and a regulating unit for adjustably regulating an oxygen concentration of the oxygen enriched gas in response to a change in a requirement of an oxygen concentration of the oxygen enriched gas obtained at an outlet of the apparatus.