Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 19, 2010
Patent Application Number
10599905
Date Filed
April 14, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
A liquid aspirator, in particular for liquids containing solids such as sludge, has a receptacle into which liquid can be sucked in by an aspirator motor through a vacuum connector and from which the liquid can drain through a drainage. The receptacle has at least two separate receiving chambers and a control that controls that the receiving chambers are filled alternatingly with liquid while the receiving chambers that are not being filled are drained. The receiving chambers are sealable relative to the vacuum side of the aspirator motor by main valves that are preferably mechanically connected.
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