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:
Feb. 08, 2005
Filed:
Jan. 27, 2003
André Micke, Summit, NJ (US);
Igor Shedletsky, Staten Island, NY (US);
André Micke, Summit, NJ (US);
Igor Shedletsky, Staten Island, NY (US);
The BOC Group, Inc., New Providence, NJ (US);
Abstract
An apparatus and method for recovering and recycling a tracer gas from a leak testing process. The apparatus comprises a leak testing section, a gas recovery/blending section, and a gas analysis/recycle section. The leak testing section operates to perform various leak testing functions and comprises a plurality of test parts, a plurality of gas supply valves, and a plurality of gas discharge valves. The gas recovery/blending section functions to blend gases together and comprises a virgin gas storage means associated with a flow control means and a recovered gas storage means having a pressure analysis means and recovered gas analysis means. The gas analysis/recycle section operates to analyze, store, and deliver a tracer gas and comprises compressor, blended gas storage means, blended gas analysis means, pressure analysis/adjustment means, and temperature analysis means. In preferred embodiments, the gas analysis/recycle section also includes a vent, compressor bypass loop, and a recycled gas analysis means.