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公开(公告)号：US10195646B2
公开(公告)日：2019-02-05
申请号：US15687704
申请日：2017-08-28
发明人： Lars Kloeser , Sven Knabe , Eberhard Scheiffele
摘要： A sifter for separating coarse particles from a particle-carrying stream during the manufacture of wood fiber panels has a housing forming a chamber. The housing also has a material inlet for admitting the particle-carrying stream to the chamber, a front wall formed with an upper air inlet below the material inlet for admitting a respective upper air stream to the chamber and a lower air inlet below the upper inlet for admitting a respective lower air stream to the chamber, an exhaust-air outlet for conveying air and fine particles from the chamber, and a coarse-particle outlet for conveying coarse particles out of the chamber. The front wall of the housing has between the upper air inlet and the lower air inlet a portion with an inwardly concavely curved shape that forms a support vortex that supports the upper air stream entering through the upper feed air inlet in the chamber of the housing between the upper air inlet and the lower air inlet.
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公开(公告)号：US20180071783A1
公开(公告)日：2018-03-15
申请号：US15687673
申请日：2017-08-28
发明人： Lars Kloeser , Sven Knabe , Eberhard Scheiffele
摘要： A sifter serves for separating coarse particles from a particle-carrying stream during the manufacture of wood material panels, in particular wood fiber panels. The sifter has a housing forming a chamber and having a material inlet for admitting the particle-carrying stream to the chamber, at least one air inlet below the material inlet for admitting an air stream to the chamber, an exhaust-air outlet for conveying air and fine particles from the chamber, and a coarse-particle outlet for conveying coarse particles out of the chamber. An upper front wall of the housing above the air inlet is oriented at least partially at an angle to the vertical. An upper edge of the air inlet is either vertically aligned above a lower edge of the air inlet or projects by an amount beyond the lower edge into the chamber.
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公开(公告)号：US20180071784A1
公开(公告)日：2018-03-15
申请号：US15687704
申请日：2017-08-28
发明人： Lars Kloeser , Sven Knabe , Eberhard Scheiffele
摘要： A sifter for separating coarse particles from a particle-carrying stream during the manufacture of wood fiber panels has a housing forming a chamber. The housing also has a material inlet for admitting the particle-carrying stream to the chamber, a front wall formed with an upper air inlet below the material inlet for admitting a respective upper air stream to the chamber and a lower air inlet below the upper inlet for admitting a respective lower air stream to the chamber, an exhaust-air outlet for conveying air and fine particles from the chamber, and a coarse-particle outlet for conveying coarse particles out of the chamber. The front wall of the housing has between the upper air inlet and the lower air inlet a portion with an inwardly concavely curved shape that forms a support vortex that supports the upper air stream entering through the upper feed air inlet in the chamber of the housing between the upper air inlet and the lower air inlet.
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