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公开(公告)号：US11235271B2
公开(公告)日：2022-02-01
申请号：US16736853
申请日：2020-01-08
申请人： Carl Freudenberg KG
发明人： Stefan Kluck , Karsten Schulz , Sascha Schumacher
摘要： A filter cartridge for cleaning an air flow includes a base, a cover provided with a central recess, and at least one pleated filter element arranged between the cover and the base. The at least one filter element encloses an interior space. The cover has a venturi nozzle, and the venturi nozzle engages in the pleated filter element. The venturi nozzle is spread out in comb-like fashion in the region of its end engaging in the filter element.
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公开(公告)号：US20240017198A1
公开(公告)日：2024-01-18
申请号：US18348375
申请日：2023-07-07
申请人： Carl Freudenberg KG
IPC分类号： B01D46/00 , B01D46/121 , B01D46/52 , B01D46/58
CPC分类号： B01D46/0006 , B01D46/121 , B01D46/521 , B01D46/58
摘要： A cassette filter including a plurality of filter media packs, a frame for receiving the filter media packs, and protective grids. Two filter media packs in each case are arranged in a v-shape, and a gas flows through the filter media packs from a dirty gas side of the filter to a clean gas side of the filter in order to clean the gas. A respective protective grid of the protective grids is arranged on each filter media pack on the clean gas side. The protective grids have a grid structure with substantially closed curves of different sizes arranged centrically around at least one centre of the protective grid and with a plurality of connectors, which are oriented radially with respect to the centre of the protective grid and connect the closed curves to one another.
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公开(公告)号：US20230064304A1
公开(公告)日：2023-03-02
申请号：US17893199
申请日：2022-08-23
申请人： Carl Freudenberg KG
发明人： Sascha Schumacher , Silvan Schneider , Juergen Becker , Christian Ewald , Christian Westenburger
摘要： A filter module, including a plurality of filter elements for separating overspray from an air flow, the filter module including a reusable and cleanable frame configured as a support structure for components for collecting overspray, and a plurality of components inserted into the frame for collecting overspray, wherein the components for collecting overspray are at least filter elements and linings in the frame, which are configured as disposable, single-use products the filter elements form at least a first filter stage, and all the surfaces of the frame which are exposed to the air flow upstream of the first filter stage are provided with the linings such that the surfaces of the frame are protected against overspray.
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公开(公告)号：US20200222844A1
公开(公告)日：2020-07-16
申请号：US16736853
申请日：2020-01-08
申请人： Carl Freudenberg KG
发明人： Stefan Kluck , Karsten SCHULZ , Sascha Schumacher
摘要： A filter cartridge for cleaning an air flow includes a base, a cover provided with a central recess, and at least one pleated filter element arranged between the cover and the base. The at least one filter element encloses an interior space. The cover has a venturi nozzle, and the venturi nozzle engages in the pleated filter element. The venturi nozzle is spread out in comb-like fashion in the region of its end engaging in the filter element.
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