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1. 发明申请

US20090188220A1 Compact Filter 有权
标题翻译：紧凑型过滤器
公开(公告)号：US20090188220A1
公开(公告)日：2009-07-30
申请号：US12178958
申请日：2008-07-24
申请人： Juergen Freisinger , Mario Rieger
发明人： Juergen Freisinger , Mario Rieger
IPC分类号： B01D50/00
CPC分类号： B01D46/525 , B01D46/0043
摘要： A compact filter has a filter housing and a compact filter element that is arranged in the filter housing, wherein the filter element is exchangeable. The compact filter element has a filter body having a longitudinal axis. The compact filter element has an unfiltered air side and a filtered air side. A baffle element is arranged at the unfiltered air side of the compact filter element. The baffle element is removable together with the filter element from the filter housing and has at least one baffle surface that is slanted relative to the longitudinal axis.
摘要翻译：紧凑型过滤器具有过滤器壳体和布置在过滤器壳体中的紧凑过滤器元件，其中过滤元件是可更换的。紧凑型过滤元件具有具有纵向轴线的过滤体。紧凑型过滤元件具有未过滤的空气侧和过滤空气侧。挡板元件设置在紧凑型过滤元件的未过滤空气侧。挡板元件与过滤器壳体一起可从过滤器壳体移除并且具有至少一个相对于纵向轴线倾斜的挡板表面。

2. 发明授权

US07892307B2 Compact filter 有权
标题翻译：紧凑型过滤器
公开(公告)号：US07892307B2
公开(公告)日：2011-02-22
申请号：US12178958
申请日：2008-07-24
申请人： Juergen Freisinger , Mario Rieger
发明人： Juergen Freisinger , Mario Rieger
IPC分类号： B01D50/00
CPC分类号： B01D46/525 , B01D46/0043
摘要： A compact filter has a filter housing and a compact filter element that is arranged in the filter housing, wherein the filter element is exchangeable. The compact filter element has a filter body having a longitudinal axis. The compact filter element has an unfiltered air side and a filtered air side. A baffle element is arranged at the unfiltered air side of the compact filter element. The baffle element is removable together with the filter element from the filter housing and has at least one baffle surface that is slanted relative to the longitudinal axis.
摘要翻译：紧凑型过滤器具有过滤器壳体和布置在过滤器壳体中的紧凑过滤器元件，其中过滤元件是可更换的。紧凑型过滤元件具有具有纵向轴线的过滤体。紧凑型过滤元件具有未过滤的空气侧和过滤空气侧。挡板元件设置在紧凑型过滤元件的未过滤空气侧。挡板元件与过滤器壳体一起可从过滤器壳体移除并且具有至少一个相对于纵向轴线倾斜的挡板表面。

3. 发明授权

US06551389B2 Sound transmitting air filter 有权
公开(公告)号：US06551389B2
公开(公告)日：2003-04-22
申请号：US10083643
申请日：2002-02-27
申请人： Helmut Spannbauer , Juergen Freisinger
发明人： Helmut Spannbauer , Juergen Freisinger
IPC分类号： B01D4600
CPC分类号： F02M35/14 , B01D46/4236 , F02M35/024 , F02M35/1222 , F02M35/1227 , Y10S55/28
摘要： An air filter (10) for an internal combustion engine of a motor vehicle designed to transmit sound into the passenger compartment or driver area in order to inform the driver of the operating state of the engine. The air filter includes an air filter housing (11), a filter insert (26), an air inlet (12) for unfiltered air, and an air outlet (13) for filtered air. The air filter housing (11) includes a housing wall (22) in or on which at least one membrane (16) is mounted. The membrane (16) is made of a material which is more permeable to sound than the rest of the housing wall (22), so that the shape and position of the membrane can be used to achieve a desired sound generation and distribution.

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