Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 22, 2011
Patent Application Number
12278833
Date Filed
February 9, 2007
Patent Primary Examiner
Patent abstract
Apparatus (10) for removing sludge from a liquid reservoir, the apparatus (10) comprising buoyant float means (12), a sludge pump (24) mounted via a support arm (17) and the apparatus (10) having an upper profile so as to allow it in use to operate beneath a membrane covering at least part of the reservoir. The support arm (17) may be oscillated to move the pump in a substantially vertical plane. The buoyancy of the float means (12) may be adjusted to vary the position of floating of the apparatus (10) in the liquid.
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