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:
Oct. 28, 2003
Filed:
Sep. 12, 2001
Applicant:
Inventor:
Michael Riecke, Lübeck, DE;
Assignee:
Drägerwerk Aktiengesellschaft, Lübeck, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25B 9/04 ; C04B 3/332 ; C03C 1/000 ;
U.S. Cl.
CPC ...
C25B 9/04 ; C04B 3/332 ; C03C 1/000 ;
Abstract
An electrochemical cell for separating oxygen from the ambient air can be manufactured in a simple manner and inexpensively and both the electrodes and the electrolyte can be manufactured as thin layers. The electrochemical cell has a metallic housing plate ( ), a gas-permeable carrier plate ( ) located on the housing plate ( ), a system of layers on the carrier plate ( ), including a first electrode ( ), an electrolyte ( ) and a second electrode ( ) exposed to the ambient air, wherein the oxygen generated is drawn off via a discharge opening at the housing plate ( ).