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公开(公告)号：US11480453B2
公开(公告)日：2022-10-25
申请号：US17048591
申请日：2019-04-18
申请人： BWT Holding GmbH
发明人： Anton Mairhofer
摘要： A turbine wheel meter for measuring the flow rate of a liquid, in particular water, is disclosed, with a measuring device, with an inlet and an outlet for the liquid to be measured, with a flow channel provided between the inlet and outlet, and with a turbine that has a turbine wheel with curved blades positioned in the flow channel, and wherein the turbine wheel cooperates with the measuring device to measure the flow rate of the liquid. A lower pressure loss and a high measurement sensitivity are achieved by embodying the turbine as a radial turbine with single-curved blades on the turbine wheel.
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公开(公告)号：US11957999B2
公开(公告)日：2024-04-16
申请号：US16314286
申请日：2017-07-03
申请人： BWT Holding GmbH
发明人： Jürgen Johann , Anton Mairhofer
CPC分类号： B01D29/682 , B01D29/23 , B01D29/66 , B01D29/688 , B01D2201/082 , B01D2201/29 , B01D2201/583
摘要： A backflushing filter having an inlet, an outlet, and a drain; a filter that divides a housing into an inlet chamber that is connected to the inlet and an outlet chamber that is connected to the outlet; a backflushing device having a suction element arranged so that it is able to rotate around the filter on the inlet side of the housing with at least one suction opening that is oriented in the suction direction toward the filter for filter-cleaning purposes; a backflushing duct connected to a suction opening and the drain; and a rotating device which drives the rotational movement of the suction element around the filter when a pressure drop occurs in the backflushing duct; wherein when the pressure drop in the backflushing duct occurs, the rotating device drives the rotational movement of the suction element by the suction direction of the suction opening that is inclined relative to the radial direction of the suction element.
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