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公开(公告)号：US11369907B2
公开(公告)日：2022-06-28
申请号：US15482864
申请日：2017-04-10
Applicant: Carl Freudenberg KG
Inventor： Karsten Schulz , Georg Hirsch , Juergen Klaus , Renate Tapper
Abstract: A filter cartridge has a filter medium that is provided at least on an end face with a flange that serves for the installation of the filter cartridge in a filter arrangement, whereby the flange has a radial flange and a support section, whereby the support section extends in the lengthwise direction of the filter cartridge.
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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
Applicant: Carl Freudenberg KG
Inventor： Stefan Kluck , Karsten Schulz , Sascha Schumacher
Abstract: 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：US20210060474A1
公开(公告)日：2021-03-04
申请号：US17005344
申请日：2020-08-28
Applicant: Carl Freudenberg KG
Inventor： Thomas Caesar , Thomas Schroth , Karsten Schulz , Sandra Sell-Poelloth , Renate Tapper , Patrick Weber
Abstract: A method for predicting a service life of a filter element of a filter module in a system, the filter element serving to clean air, includes the steps of: a) retrieving characterization data of the system from a database; b) retrieving characterization data of the filter element from a database; c) retrieving measurement data of the system detected in the system by sensor technology; d) retrieving measurement data of the filter element detected by the sensor technology in the filter module; e) retrieving measurement data of air to be cleaned; and f) creating a data model from the data and determining the service life of the filter element to be expected.
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公开(公告)号：US20210060473A1
公开(公告)日：2021-03-04
申请号：US17005331
申请日：2020-08-28
Applicant: Carl Freudenberg KG
Inventor： Thomas Caesar , Thomas Schroth , Karsten Schulz , Sandra Sell-Poelloth , Renate Tapper , Patrick Weber
Abstract: A method for providing an air stream for a system, in particular a plant, includes the following steps: a. specifying an air requirement and a required degree of air purity of the system having the plant, and storing the values in a memory unit of a control module; b. cleaning the air stream in a filter module comprising filter elements; c. providing the air stream through the filter module to air inlets or air outlets of the system as a provided air stream; d. detecting a magnitude of the provided air stream and of an actual degree of air purity by a sensor system; e. comparing a magnitude of the provided air stream and of the actual degree of air purity to the stored values; and g. calculating a performance characteristic of the filter module. A volume of the provided air influences the performance characteristic.
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公开(公告)号：US10220344B2
公开(公告)日：2019-03-05
申请号：US15214485
申请日：2016-07-20
Applicant: Carl Freudenberg KG
Inventor： Karsten Schulz , Georg Hirsch , Andreas Krahmer , Rainer Kaffenberger , Hans Wiegand
Abstract: A filter cartridge has a folded filter medium that is formed into a prism at least in regions and comprises two interconnected end folds, and which filter cartridge is constantly or cyclically subjected to stresses, specifically subjected to stresses from dedusting by means of pressure surges, is characterized in that the end folds overlap one another.
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Patent Agency Ranking
公开(公告)号：US20170341005A1
公开(公告)日：2017-11-30
申请号：US15527018
申请日：2015-12-14
Applicant: Carl Freudenberg KG
Inventor： Karsten Schulz , Juergen Becker , Maik Sieh , Juergen Klaus
CPC classification number: B01D46/2411 , B01D46/2407 , B01D46/521 , B01D46/546 , B01D2273/12 , B01D2275/201 , B01D2275/205 , B01D2275/206
Abstract: A filter cartridge has a filter medium that is formed in such a way that it surrounds a central through-passage, wherein the central through-passage has a first opening and ends at a cartridge base, and wherein the filter medium extends between the first opening and the cartridge base and thereby forms an elongated filter body, which may influence the average ascent speed of air and bring about an optimum filtration operation, wherein the filter medium is rectangular or square-shaped at one end of the filter cartridge and is rounded at the other end.
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公开(公告)号：US20180050294A1
公开(公告)日：2018-02-22
申请号：US15482864
申请日：2017-04-10
Applicant: Carl Freudenberg KG
Inventor： Karsten Schulz , Georg Hirsch , Juergen Klaus , Renate Tapper
CPC classification number: B01D46/0005 , B01D46/2407 , B01D46/2411 , B01D46/521
Abstract: A filter cartridge has a filter medium that is provided at least on an end face with a flange that serves for the installation of the filter cartridge in a filter arrangement, whereby the flange has a radial flange and a support section, whereby the support section extends in the lengthwise direction of the filter cartridge.
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公开(公告)号：US20170021299A1
公开(公告)日：2017-01-26
申请号：US15214485
申请日：2016-07-20
Applicant: Carl Freudenberg KG
Inventor： Karsten Schulz , Georg Hirsch , Andreas Krahmer , Rainer Kaffenberger , Hans Wiegand
CPC classification number: B01D46/522 , B01D29/111 , B01D29/21 , B01D29/232 , B01D29/333 , B01D46/0001 , B01D46/521 , B01D2275/206
Abstract: A filter cartridge has a folded filter medium that is formed into a prism at least in regions and comprises two interconnected end folds, and which filter cartridge is constantly or cyclically subjected to stresses, specifically subjected to stresses from dedusting by means of pressure surges, is characterized in that the end folds overlap one another.
Abstract translation: 过滤器滤芯具有折叠的过滤介质，其至少在区域中形成为棱镜，并且包括两个互连的端部折叠，并且该滤筒恒定地或循环地经受特别受到通过压力浪涌的除尘的应力的应力 其特征在于，所述端部褶皱彼此重叠。
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公开(公告)号：US09266050B2
公开(公告)日：2016-02-23
申请号：US14022265
申请日：2013-09-10
Applicant: Carl Freudenberg KG
Inventor： Karsten Schulz , Maik Sieh , Juergen Klaus , Juergen Becker
CPC classification number: B01D46/521 , B01D46/2411 , B01D2273/12 , B01D2275/205
Abstract: A filter cartridge includes a filter medium configured as an elongated bellows having a first and a second longitudinal end. The bellows are connected at the first longitudinal end to a base and at the second longitudinal end to a top. The bellows enclose a central passage. The bellows are configured in a shape of a prism.
Abstract translation: 滤筒包括被配置为具有第一和第二纵向端的细长波纹管的过滤介质。 波纹管在第一纵向端部连接到基部并且在第二纵向端部连接到顶部。 波纹管包围一个中央通道。 波纹管被构造成棱镜的形状。
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公开(公告)号：US20140069068A1
公开(公告)日：2014-03-13
申请号：US14022265
申请日：2013-09-10
Applicant: Carl Freudenberg KG
Inventor： Karsten Schulz , Maik Sieh , Juergen Klaus , Juergen Becker
IPC: B01D46/52
CPC classification number: B01D46/521 , B01D46/2411 , B01D2273/12 , B01D2275/205
Abstract: A filter cartridge includes a filter medium configured as an elongated bellows having a first and a second longitudinal end. The bellows are connected at the first longitudinal end to a base and at the second longitudinal end to a top. The bellows enclose a central passage. The bellows are configured in a shape of a prism.
Abstract translation: 滤筒包括被配置为具有第一和第二纵向端的细长波纹管的过滤介质。 波纹管在第一纵向端部连接到基部并且在第二纵向端部连接到顶部。 波纹管包围一个中央通道。 波纹管被构造成棱镜的形状。
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