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1. 发明授权

US10046261B2 Filtration system and method 有权
公开(公告)号：US10046261B2
公开(公告)日：2018-08-14
申请号：US14858581
申请日：2015-09-18
申请人： Osprey Corporation
发明人： Todd Dietz
IPC分类号： B01D46/00 , B01D46/24 , B01D46/26 , B01D46/10 , B01D46/44 , B01D46/46
摘要： Described are multi-stage drum filtration systems including a primary rotary drum filter stage, at least one passive filter stage, and a main fan configured to create a vacuum on an inlet side of the primary rotary drum filter stage. The multi-stage drum filtration system may also include a HEPA filter stage. A controller may be configured to control a speed of the main fan to maintain an inlet vacuum to the primary rotary drum filter stage that corresponds to an inlet vacuum set point input.

2. 发明授权

US10695707B2 Drum media holding band for filtration system 有权
公开(公告)号：US10695707B2
公开(公告)日：2020-06-30
申请号：US15867495
申请日：2018-01-10
申请人： Osprey Corporation
发明人： James Andrew White, Jr.
IPC分类号： B01D46/26 , B01D46/20 , B01D46/00 , B01D46/42 , B01D33/073 , B01D33/067
摘要： A filtration system includes a rotary drum and a media holding band that is configured to hold a filtration media on an outer surface of the rotary drum. The media holding band includes a strap and a connector. The strap includes a first end and a second end opposite the first end. The connector is configured to secure the first end of the strap relative to the second end of the strap.

3. 发明授权

US5679136A Reduced fluff drum filter enclosure and method thereof 失效
标题翻译：绒毛滤筒外壳减少及其方法
公开(公告)号：US5679136A
公开(公告)日：1997-10-21
申请号：US514916
申请日：1995-08-14
申请人： John Patrick Phillips , Martin Alan Price
发明人： John Patrick Phillips , Martin Alan Price
IPC分类号： B01D46/00 , B01D46/24 , B01D46/26 , B01D46/04
CPC分类号： B01D46/0046 , B01D46/0056 , B01D46/0065 , B01D46/24 , B01D2273/28 , B01D2273/30
摘要： A rotary drum filter having a reduced amount of fluff in the enclosure during operation. The volume of the enclosure and the mass flow rate of fluff coming into the enclosure are taken into account when determining a proper speed for the rotary drum so that fluff build up on the filter medium is reduced. By properly balancing these three items, fluff may be removed from the filter enclosure at a rate which is equal to or greater than the rate at which the fluff enters the enclosure. The structure of the rotary drum enclosure provides a high velocity, smooth air flow at the bottom of the filter enclosure. The incoming air and fluff are distributed over the entire length of the floor, so that turbulence is created along the length of the floor. In addition, the floor is curved so that there are no joining positions along the floor where dust can accumulate, and so all fluff entering the enclosure is blown to the top of the enclosure.
摘要翻译：一种旋转鼓式过滤器，其在操作期间在外壳中具有减小的绒毛量。当确定旋转鼓的适当速度时，考虑到外壳的体积和绒毛进入外壳的质量流率，从而减少过滤介质上的绒毛积聚。通过适当平衡这三个项目，绒毛可以以等于或大于绒毛进入外壳的速率从过滤器外壳中移除。旋转鼓外壳的结构在过滤器外壳的底部提供高速度，平滑的气流。进入的空气和绒毛分布在地板的整个长度上，使得沿着地板的长度产生湍流。此外，地板是弯曲的，使得沿着地板没有可以积聚灰尘的接合位置，因此进入外壳的所有绒毛都被吹到外壳的顶部。

4. 发明授权

US5474598A Multi-line drum filter 失效
标题翻译：多行鼓式过滤器
公开(公告)号：US5474598A
公开(公告)日：1995-12-12
申请号：US450544
申请日：1995-05-25
申请人： Homer J. Harpole, Jr. , Martin A. Price
发明人： Homer J. Harpole, Jr. , Martin A. Price
IPC分类号： B01D46/26 , B01D33/00
CPC分类号： B01D46/26
摘要： A rotary drum filter for multiple lines. The filter includes distinct cells for each production line so that fluff or particulate may be recirculated within its own production line. A balancing fan is included which provides static pressure from selected maximum air flow volume to minimum air flow volume for the filter.
摘要翻译：用于多条线的旋转鼓式过滤器。过滤器包括用于每条生产线的不同的细胞，使得绒毛或颗粒可以在其自己的生产线内再循环。包括平衡风扇，其提供从所选择的最大气流体积到过滤器的最小气流量的静压力。

5. 发明授权

US10596505B1 Filtration system and method 有权
公开(公告)号：US10596505B1
公开(公告)日：2020-03-24
申请号：US16101957
申请日：2018-08-13
申请人： Osprey Corporation
发明人： Todd Dietz
IPC分类号： B01D46/00 , B01D46/46 , B01D46/44 , B01D46/10 , B01D46/26 , B01D46/24
摘要： Described are multi-stage drum filtration systems including a primary rotary drum filter stage, at least one passive filter stage, and a main fan configured to create a vacuum on an inlet side of the primary rotary drum filter stage. The multi-stage drum filtration system may also include a HEPA filter stage. A controller may be configured to control a speed of the main fan to maintain an inlet vacuum to the primary rotary drum filter stage that corresponds to an inlet vacuum set point input.

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