Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Wilhelm Lutzer0
Hannes Mueller0
Marc Scheel0
Date of Patent
September 7, 2010
0Patent Application Number
116271780
Date Filed
January 25, 2007
0Patent Primary Examiner
0
Patent abstract
A device to diagnose a vacuum system comprises a pipe with a first opening that can be closed by a hingable cover, and a second opening that is designed to establish a pressure-proof connection to the vacuum system. The diagnostic device may be operated in a volume-flow mode in which the cover is open in order to determine a volume flow in the base body, and in a negative-pressure mode in which the cover is closed so as to allow to draw conclusions about the available pressure difference.
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