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    • 9. 发明授权
    • Fuel filter assembly with flow restriction sleeve
    • 带流量限制套筒的燃油滤清器组件
    • US08002981B2
    • 2011-08-23
    • US11935619
    • 2007-11-06
    • Ismail BagciChad BrummittAbby True-DahlWassem AbdallaYiming Zhang
    • Ismail BagciChad BrummittAbby True-DahlWassem AbdallaYiming Zhang
    • B01D35/30
    • B01D35/153B01D2201/316B01D2201/4046
    • A “no filter, no run” filtration system that is designed to verify that an appropriate filter cartridge is installed. A flow control sleeve is provided on a standpipe to control the flow of fluid, for example fuel, into the standpipe. The sleeve can be axially moveable between closed and open positions, with one or more members on an installed filter cartridge designed to release the sleeve to permit the movement from the closed position to the open position to allow fluid flow. A spring acts on the sleeve to bias the sleeve back to the closed position upon removal of the filter cartridge. The sleeve can also be designed without axial movement, but nonetheless is configured to be opened and closed to control fluid flow into the standpipe.
    • 设计用于验证安装了相应过滤器滤芯的“无过滤器,不运行”过滤系统。 流量控制套筒设置在立管上以控制流体(例如燃料)流入立管中。 套筒可以在闭合位置和打开位置之间轴向移动,其中一个或多个构件安装在滤筒上,该滤筒被设计成释放套筒,以允许从关闭位置移动到打开位置以允许流体流动。 弹簧作用在套筒上,以便在取出过滤器滤芯时将套筒偏压回到关闭位置。 套筒也可以设计成没有轴向移动,但是也被构造成打开和关闭以控制流入立管的流体。