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:
Jul. 10, 2007
Filed:
Dec. 19, 2003
Christian Beyer, Köln, DE;
Hermann Boy, Kerpen, DE;
Rainer Hölzer, Hürth, DE;
Gunter Holstein, Köln, DE;
Christian Beyer, Köln, DE;
Hermann Boy, Kerpen, DE;
Rainer Hölzer, Hürth, DE;
Gunter Holstein, Köln, DE;
Oerlikon Leybold Vacuum GmbH, Cologne, DE;
Abstract
A test-gas leak detector () includes a connection () for a device under test, a sniffer, or a leak detector chamber, a high-vacuum pump (), a test-gas detector () that is connected on the intake side of said pumps, and a test-gas conduit () leading from the connection of the leak detector (). The conduit is connected to at least one intermediate stage of the high-vacuum pump () in addition to the pre-vacuum zone of the high-vacuum pump () via conduit sections () and valves (). A housing (), in which at least some of the conduits and valves and the high-vacuum pump () are integrated, forms part of the leak detector () and a detachable slide-in module () forms part of the high-vacuum pump. The slide-in module has an external jacket construction () comprising passages () and when the leak detector () is operational, is situated in a receiving opening () that is provided in the housing ().