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    • 7. 发明申请
    • LIQUID DISPENSING SYSTEM
    • 液体分配系统
    • WO2008121325A1
    • 2008-10-09
    • PCT/US2008/004064
    • 2008-03-28
    • BEROK ENVIRONMENTAL SERVICES INC.BELL, D., StewartBROWN, Jeffrey, O.
    • BELL, D., StewartBROWN, Jeffrey, O.
    • B67D5/08G01F23/00B67D5/32B67D5/34
    • B67D7/425B67D7/362B67D7/46
    • The present invention is directed to a liquid dispensing system having a valve subsystem and pumping subsystem. The valve subsystem is configured with a pressure sensor subassembly having an electronic interface to determine the liquid level in a vehicle gasoline tank or other liquid vessel. The valve subassembly of the present invention may include a piezoelectric subassembly to detect pressure changes at a nozzle subassembly to shut off the liquid flow through the valve subsystem and from the pump subsystem. Aspects of the present invention may also sense when the nozzle subassembly has been partially removed from a liquid tank fill tube. The present invention may include wireless technology to transmit information from the valve subsystem to the pump subsystem to prevent an overfill condition in the vessel. For example, the pump subsystem will not pump without confirmatory signal from valve subassembly that all components are operating properly.
    • 本发明涉及一种具有阀子系统和泵子系统的液体分配系统。 阀子系统配置有具有电子接口的压力传感器子组件,以确定车辆汽油罐或其它液体容器中的液位。 本发明的阀子组件可以包括压电子组件,用于检测喷嘴子组件处的压力变化,以切断通过阀子系统和泵子系统的液体流。 当喷嘴子组件已经从液体罐填充管部分地移除时,本发明的方面也可以感觉到。 本发明可以包括从阀子系统向泵子系统传送信息以防止容器中的过度填充状况的无线技术。 例如,泵子系统不会泵送没有来自阀组件的确认信号,所有组件均正常运行。