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    CASSETTE FILTER HAVING A FILTER ELEMENT WITH SPECIAL FOLDING
    1.
    发明申请
    CASSETTE FILTER HAVING A FILTER ELEMENT WITH SPECIAL FOLDING 有权

    公开(公告)号：US20220062800A1

    公开(公告)日：2022-03-03

    申请号：US17409812

    申请日：2021-08-24

    申请人： Carl Freudenberg KG

    发明人： Renate Tapper

    IPC分类号： B01D29/21

    摘要： A cassette filter for cleaning a fluid includes: a frame; and a plurality of filter elements having a filter medium provided with a folding. The plurality of filter elements are accommodated in a frame such that at least two adjoining filter elements of the plurality of filter elements are arranged at an acute angle to one another and form a V-shaped arrangement. Each of the plurality of filter elements has folded edges which are formed by fold peaks and fold valleys and extend perpendicularly to legs of the acute angle. Each filter element of the plurality of filter elements is provided with foldings such that a height of the respective filter element is smaller at all edge regions than a height in a central region of the respective filter element, and smaller folding surfaces than the central region result at the edge regions.

    METHOD FOR PROVIDING AN AIR STREAM
    5.
    发明申请
    METHOD FOR PROVIDING AN AIR STREAM 有权

    公开(公告)号：US20210060473A1

    公开(公告)日：2021-03-04

    申请号：US17005331

    申请日：2020-08-28

    申请人： Carl Freudenberg KG

    发明人： Thomas Caesar ,  Thomas Schroth ,  Karsten Schulz ,  Sandra Sell-Poelloth ,  Renate Tapper ,  Patrick Weber

    IPC分类号： B01D46/00 ,  B01D46/44

    摘要： 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.

    Cassette filter having a filter element with special folding
    7.
    发明授权
    Cassette filter having a filter element with special folding 有权

    公开(公告)号：US11745124B2

    公开(公告)日：2023-09-05

    申请号：US17409812

    申请日：2021-08-24

    申请人： Carl Freudenberg KG

    发明人： Renate Tapper

    IPC分类号： B01D29/21

    CPC分类号： B01D29/21 ,  B01D2201/12 ,  B01D2201/30 ,  B01D2201/605

    摘要： A cassette filter for cleaning a fluid includes: a frame; and a plurality of filter elements having a filter medium provided with a folding. The plurality of filter elements are accommodated in a frame such that at least two adjoining filter elements of the plurality of filter elements are arranged at an acute angle to one another and form a V-shaped arrangement. Each of the plurality of filter elements has folded edges which are formed by fold peaks and fold valleys and extend perpendicularly to legs of the acute angle. Each filter element of the plurality of filter elements is provided with foldings such that a height of the respective filter element is smaller at all edge regions than a height in a central region of the respective filter element, and smaller folding surfaces than the central region result at the edge regions.

    METHOD FOR PREDICTING THE SERVICE LIFE OF A FILTER
    10.
    发明申请
    METHOD FOR PREDICTING THE SERVICE LIFE OF A FILTER 有权

    公开(公告)号：US20210060474A1

    公开(公告)日：2021-03-04

    申请号：US17005344

    申请日：2020-08-28

    申请人： Carl Freudenberg KG

    发明人： Thomas Caesar ,  Thomas Schroth ,  Karsten Schulz ,  Sandra Sell-Poelloth ,  Renate Tapper ,  Patrick Weber

    IPC分类号： B01D46/00 ,  B01D46/42 ,  F01D21/00

    摘要： 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.