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. 06, 2013
Filed:
Mar. 14, 2011
Tran Ngoc Phuc, Kawaguchi, JP;
Shinichi Nakane, Kawaguchi, JP;
Tran Ngoc Phuc, Kawaguchi, JP;
Shinichi Nakane, Kawaguchi, JP;
Metran Co., Ltd., Saitama, JP;
Abstract
The present invention provides oxygen concentrators which achieve reliable pressure control in the oxygen columns with reduced number of components for pressure control in the oxygen columns, and also easy maintenance and reduced power consumption. PSA, PVSA, or VSA oxygen concentrator consisting of oxygen concentration columns BFand BF, pressure control means for adjusting pressure in the oxygen concentration columns, and oxygen tank T for storing concentrated oxygen, comprises mechanical flow control means SCwhich regulates flow from the oxygen tank to the oxygen concentration columns. Pressures in the oxygen concentration columns BFand BFare kept within a predetermined range by the function of mechanical flow control means SCplaced in between the oxygen concentration columns and the oxygen tank.