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1. 发明授权

US4127396A Air pre-cleaner 失效
标题翻译：空气预清洁剂
公开(公告)号：US4127396A
公开(公告)日：1978-11-28
申请号：US820010
申请日：1977-07-28
申请人： Domenic P. Tortorici , Demetrios A. Tsengouras
发明人： Domenic P. Tortorici , Demetrios A. Tsengouras
IPC分类号： B01D45/16 , B04C3/00
CPC分类号： B01D45/16 , B04C3/00
摘要： An air pre-cleaner without moving parts including a housing having an inlet end for entrant air, an outlet end and a receiving chamber in between, wherein a feeder screw centrifuges the entrant air and moves it into a settling chamber where the dirt particles settle while the lighter air mass is directed to the outlet.
摘要翻译：没有移动部件的空气预清洁器包括具有用于进入空气的入口端的壳体，其间的出口端和接收室，其中进料螺杆将入口空气离心并将其移动到沉淀室中，在该沉积室中污物颗粒沉降，较轻的空气质量被引导到出口。

2. 发明授权

US5871567A Dual Media air filter with electrostatic charge 失效
标题翻译：双媒体空气过滤器带静电
公开(公告)号：US5871567A
公开(公告)日：1999-02-16
申请号：US766475
申请日：1996-12-12
申请人： Edward A. Covington , Demetrios A. Tsengouras
发明人： Edward A. Covington , Demetrios A. Tsengouras
IPC分类号： B01D39/18 , B03C3/28 , B60K13/02 , F02M27/04 , F02M35/024 , B03C3/011
CPC分类号： F02M35/024 , B01D39/18 , B03C3/28 , F02M27/04 , B60K13/02
摘要： A filter element useful for filtering intake air for internal combustion engines includes a first filter media separated by an air space from a second filter media. The second filter media has a greater air permeability than the first filter media, but is electrostatically charged. As a result of this arrangement, the capacity of the filter element is enhanced because large particles are trapped by the first filter media and smaller particles are trapped by the second filter media. As a result, the filter element has a longer life because, for a given contaminant condition of an air stream, unacceptable clogging of the filter element takes longer.
摘要翻译：用于过滤用于内燃机的进气的过滤元件包括由空气与第二过滤介质隔开的第一过滤介质。第二过滤介质具有比第一过滤介质更大的透气性，但是被静电充电。作为这种布置的结果，由于大颗粒被第一过滤介质捕获并且较小的颗粒被第二过滤介质捕获，所以过滤元件的容量增强。因此，过滤元件具有更长的使用寿命，因为对于给定的空气流的污染物条件，过滤元件的不可接受的堵塞需要较长时间。

3. 发明授权

US5720788A Air filter element and air filter assembly employing the filter element 失效
标题翻译：使用过滤元件的空气过滤元件和空气过滤器组件
公开(公告)号：US5720788A
公开(公告)日：1998-02-24
申请号：US497078
申请日：1995-06-30
申请人： Ronald R. Puckett , Demetrios A. Tsengouras
发明人： Ronald R. Puckett , Demetrios A. Tsengouras
IPC分类号： B01D46/00 , B01D46/24 , B01D46/52 , B01D27/00
CPC分类号： B01D46/521 , B01D46/0046 , B01D46/2414 , B01D2271/022 , B01D2279/60
摘要： A replaceable filter element is installed in a filter assembly including a filter housing. There is a substantially annular space between the filter element and the housing and an air inlet for introducing inlet air tangentially with respect to the annular space. The filter element employed has a closed top and an open bottom communicating with a hollow core. An annular filter media is included in the filter element, the filter media having a top end and a bottom end with an outwardly projecting flange at the bottom end. The outwardly projecting flange has an annular rib thereon, spaced from the filter media, to define a trough between the annular rib and the filter media for retaining debris thereon. When the filter element is removed for replacement, debris accumulated on the flange is retained in the trough.
摘要翻译：可替换的过滤元件安装在包括过滤器壳体的过滤器组件中。在过滤元件和壳体之间存在基本上环形的空间，以及空气入口，用于相对于环形空间切向地引入入口空气。所使用的过滤元件具有与中空芯连通的封闭顶部和敞开的底部。过滤元件中包括环形过滤介质，过滤介质具有顶端和底端，在底端具有向外突出的凸缘。向外突出的凸缘在其上具有与过滤介质间隔开的环形肋，以在环形肋和过滤介质之间限定槽，用于将碎屑保持在其上。当更换过滤器元件时，积聚在法兰上的碎屑保留在槽中。

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