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1. 发明授权

US5695637A Combination full flow and bypass filter with venturi nozzle 失效
标题翻译：具有文丘里喷嘴的组合全流量和旁路过滤器
公开(公告)号：US5695637A
公开(公告)日：1997-12-09
申请号：US699713
申请日：1996-08-27
申请人： Zemin Jiang , Ted S. Loftis , Dwight S. Suiter , Erika B. Motlow , Mike B. Lanius , Sargeon Billy Hedgecough
发明人： Zemin Jiang , Ted S. Loftis , Dwight S. Suiter , Erika B. Motlow , Mike B. Lanius , Sargeon Billy Hedgecough
IPC分类号： B01D27/10 , B01D27/06 , B01D35/01 , B01D35/02 , F01M1/10 , F01M11/03 , F01P5/00 , F16N39/06 , B01D35/26
CPC分类号： F01M1/10 , B01D27/06 , B01D2201/208 , B01D2201/287 , F16N39/06 , Y10S210/13
摘要： A combined full flow and bypass oil filter for internal combustion engines includes a generally cylindrical filter body and a generally cylindrical filter head which is threadedly attached to the filter body. The filter head includes an inlet and an outlet and the flow path between the inlet and outlet extends through the filter body. Disposed within the filter body is a generally cylindrical and hollow full flow filtering element and a generally cylindrical and hollow bypass filtering element. The incoming flow of lubricating oil passes through the outer diameter surfaces of the full flow and bypass filtering elements and exits from these filtering elements through their hollow interiors. Concentrically positioned in the exiting flow path of the full flow filter is a Venturi nozzle which creates a low pressure zone. An outlet flow conduit is disposed in flow cooperation with the exiting oil flow through the bypass filtering element and the exit opening of this flow conduit extending from the bypass filtering element is positioned within the low pressure zone of the Venturi nozzle. The pressure differential across the two filtering elements creates a forced flow through the bypass filtering element and the filtered oil through both elements combines as part of a single flow loop.
摘要翻译：用于内燃机的组合的全流量和旁路油过滤器包括大致圆柱形的过滤器主体和大体上圆柱形的过滤头，该过滤头螺纹连接到过滤器本体。过滤头包括入口和出口，入口和出口之间的流动通道延伸穿过过滤器本体。设置在过滤器主体内的是大致圆柱形的中空全流过滤元件和大体圆柱形和中空的旁路过滤元件。润滑油的进入流通过全流和旁路过滤元件的外径表面，并通过其中空的内部从这些过滤元件排出。集中位于全流量过滤器的出口流动路径中的是文丘里喷嘴，其产生低压区。出口流动管道与流过旁路过滤元件的出口油流配合流动，并且从旁路过滤元件延伸的该流动管道的出口定位在文丘里喷嘴的低压区域内。两个过滤元件之间的压力差产生通过旁路过滤元件的强制流量，并且通过两个元件的过滤油合并为单个流动循环的一部分。

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