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    • 3. 发明授权
    • Pressurized fluid dispensing nozzle
    • 加压流体分配喷嘴
    • US5725034A
    • 1998-03-10
    • US549778
    • 1996-04-10
    • David Andrew FryDavid Richard Brooks
    • David Andrew FryDavid Richard Brooks
    • F17C5/02B67D5/37
    • F17C5/02F17C2205/037F17C2205/0382F17C2221/035F17C2223/0153F17C2223/033F17C2250/0636F17C2265/065F17C2270/0168
    • A pressurized fluid dispensing nozzle (110') such as for LPG is screw-threadedly engageable with a tank inlet (192) such as on a vehicle. A sealing sleeve (154) carrying a nose piece (140') is biassed into abutment with a gasket (194) on a seal face (196) of the tank inlet and is urged rearwardly by the abutment. The sealing sleeve (154) is slidably mounted on a sealing member (136') which is urged rearwardly with the sealing sleeve (154) into a valve actuating condition. A trigger (118') is actuated to open a valve assembly (120') by shifting the valve assembly forwardly to bring a valve body (126') into abutment with an actuator (132') on the sealing member (136) which lifts the valve body off a valve seat (128'). The pressurized fluid passes along a passage (146') through the sealing member (136') to be dispensed but part of it enters a chamber (150) through ports (134'). The pressurized fluid in the chamber (150) acts on the sealing sleeve (154) to drive it into sealing engagement with the tank inlet gasket (194) or, if the gasket is missing, with the seal face (196).
    • PCT No.PCT / AU94 / 00248 Sec。 371日期:1996年4月10日 102(e)日期1996年4月10日PCT 1994年5月13日PCT PCT。 公开号WO94 / 18818 日期1994年9月1日用于液化石油气的加压流体分配喷嘴(110')与诸如车辆上的罐入口(192)螺纹接合。 承载鼻片(140')的密封套(154)被偏压到与所述箱入口的密封面(196)上的垫圈(194)邻接并且被所述邻接件向后推动。 密封套(154)可滑动地安装在密封构件(136')上,该密封构件(136')被密封套(154)向后推动进入阀致动状态。 通过向前移动阀组件来致动触发器(118')以打开阀组件(120'),以使阀体(126')与密封构件(136)上的致动器(132')邻接,升降机 阀体离开阀座(128')。 加压流体沿着通道(146')通过密封构件(136')以被分配,但是其一部分通过端口(134')进入腔室(150)。 腔室(150)中的加压流体作用在密封套筒(154)上以驱动其与罐入口垫圈(194)密封接合,或者如果密封垫缺失,则密封面(196)。