Filter device
AssigneeGrundfos Management
InventorsFinn Beldring, Christian Rasmussen
Life of this patent
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Abstract
A filter device includes a housing (2) having at least two rotation bodies (4,) which are arranged therein and are driven by a shaft (3). The rotation bodies (4) are designed and arranged for producing a centrifugal pumping effect. A guidance device (7) is provided between the rotation bodies (4), which connects the pressure side (6) of a first rotation body (4) to the suction side (5) of a rotation body (4, 18) arranged therebehind in the flow direction (8). The intermediate spaces between the rotation bodies are provided with a filter arrangement.
Claims13
-11. (canceled)
A filter device comprising a housing (2) having at least two rotation bodies (4, 18) arranged in the housing and driven by a shaft (3), wherein the rotation bodies (4, 18) are designed and arranged for producing a centrifugal pumping effect, at least one guidance device (7) provided between each pair of the rotation bodies (4, 18), the at least one guidance device connecting a pressure side (6) of a first rotation body (4, 18) to a suction side (5) of a second rotation body (4, 18) arranged behind the first rotation body in a flow direction, and a filter arrangement (9, 10) provided for the rotation bodies (4, 18) and/or intermediate spaces between the rotation bodies (4, 18).
Dependencies are inferred from the claim text.