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    • 3. 发明授权
    • Fluid sampling valve
    • 流体采样阀
    • US4484482A
    • 1984-11-27
    • US450370
    • 1982-12-16
    • Paul J. E. FournierRichard M. Alexander
    • Paul J. E. FournierRichard M. Alexander
    • F16N29/00G01N1/20G01N1/10
    • F16N29/00G01N1/2035
    • The invention pertains to a valve particularly suitable for sampling internal combustion engine lubricating oil while being used within the engine and consists of a valve body placed within a pressurized oil conduit. The body includes an orifice having a valve element movable between open and closed positions by a sample collecting receptacle wherein one hand operation is readily achieved. The valve element includes a proboscis suitable for piercing the sample receptacle diaphragm, and a spring produces a positive biasing force on the valve element toward the closed position. A removable cover protects the valve element and proboscis when not in use.
    • 本发明涉及一种特别适合于在发动机内使用内燃机润滑油进行取样并且由置于加压油管内的阀体组成的阀门。 主体包括具有阀元件的孔口,该阀元件通过样品收集容器在打开和关闭位置之间移动,其中容易实现单手操作。 阀元件包括适于刺穿样品容器隔膜的长鼻子,并且弹簧在阀元件上朝向关闭位置产生正的偏压力。 可拆卸的盖子在不使用时保护阀门元件和长鼻子。
    • 4. 发明授权
    • Indicating check valve
    • 指示止回阀
    • US4213021A
    • 1980-07-15
    • US4698
    • 1979-01-19
    • Richard M. Alexander
    • Richard M. Alexander
    • F16K37/00H01H35/38
    • F16K37/0033F16K15/025Y10T137/7929
    • A valve apparatus having a poppet valve carrying a magnet and a switch responsive to movements of the magnet wherein the switch is activated and deactivated by movement of the magnet into and out of proximity with the switch. The spring biased poppet valve is movable from a closed position under the influence of a predetermined fluid flow rate in one direction to an open, switch activating position and then is returned upon a slight reduction in fluid flow in the opposite direction past the switch activating position to a switch deactivating position intermediate the latter and the valve closed position. The valve is formed with a specially configured nose portion to provide poppet valve travel at predetermined fluid flow rates to activate and deactivate the switch.
    • 一种具有承载磁体的提升阀和响应于磁体运动的开关的阀装置,其中开关通过磁体进入和离开开关的移动被激活和去激活。 弹簧偏压的提升阀可以在一个方向上以预定的流体流量的影响下从关闭位置移动到打开的开关启动位置,然后在相反的方向上略微减小流过开关启动位置的流量 到中间的开关停用位置和阀关闭位置。 阀形成有特殊构造的鼻部,以预定的流体流速提供提升阀行程以启动和停用开关。