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. 14, 2017
Filed:
Jan. 26, 2012
Ludger Alfes, Dorsten, DE;
Klaus Eisele, Neukirchen-Vluyn, DE;
Thomas Mönk, Gladbeck, DE;
Markus Reinhold, Düsseldorf, DE;
Axel Spanel, Duisburg, DE;
Ludger Alfes, Dorsten, DE;
Klaus Eisele, Neukirchen-Vluyn, DE;
Thomas Mönk, Gladbeck, DE;
Markus Reinhold, Düsseldorf, DE;
Axel Spanel, Duisburg, DE;
SIEMENS AKTIENGESELLSCHAFT, München, DE;
Abstract
A gas system has a first compressor stage for compressing a process gas. The first compressor stage includes an intake side and a pressure side. A seal gas is provided outside the first compressor stage in order to prevent process gas from issuing from leaks in the first compressor stage, having at least one second line for returning a gas mixture issuing from the gas system, this mixture including at least of process gas and seal gas. The at least one second line is configured for returning the issuing gas mixture to the intake side of the first compressor stage and/or to a location in the gas system upstream of the first compressor stage.