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:
Jan. 30, 2001
Filed:
Jan. 14, 1998
Applicant:
Inventors:
Assignee:
NGK Insulators, Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 5/322 ;
U.S. Cl.
CPC ...
B01D 5/322 ;
Abstract
An apparatus for recovering, refining, and storing hydrogen gas, includes: a recovery and refinement line for recovering and refining hydrogen gas used for a hydrogen furnace or used as a process gas; a storage tank for storing refined gas; and a resupply line for resupplying a stored gas to the hydrogen furnace or as a process gas. A palladium film is installed in the recovery and refinement line and lets hydrogen gas permeate the palladium film so as to be refined.