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    • 1. 发明授权
    • Injector
    • 注射器
    • US06471143B2
    • 2002-10-29
    • US09837516
    • 2001-04-19
    • Hironori MatsuzawaRokurou OzakiTomoko Shibata
    • Hironori MatsuzawaRokurou OzakiTomoko Shibata
    • B05B108
    • F04B45/043F04B43/0736
    • An injector is disclosed, in which the change in the internal pressure of each chamber is relaxed when a pressure application mechanism is reciprocating thereby to lengthen the service life of the component parts including a diaphragm portion. The injector (I) comprises a body B including therein a first outer inlet portion (13) for a pressured fluid (F), a first outer outlet portion (14), a connecting inlet portion (21) communicating with the first outer inlet portion or the first outer outlet portion, a connecting outlet portion (22), a second outer inlet portion (31) communicating with the connecting inlet portion or the connecting outlet portion, a second outer outlet portion (32), a first chamber (40), a second chamber (50), intake check valves (61, 71), discharge check valves (66, 76), a pressure application mechanism (80), a working fluid influx/outlet portion (90) for causing the working fluid (A) for reciprocating the pressure application mechanism to flow into or from at least one of the two chambers, urging diaphragm portions (100, 120) external to the pressure application mechanism (80), and urging units (110, 115, 130, 135) for urging the urging diaphragm portion inward.
    • 公开了一种喷射器,其中当压力施加机构往复运动时,每个室的内部压力的变化被放宽,从而延长包括隔膜部分的部件的使用寿命。 注射器(I)包括主体B,主体B包括用于加压流体(F)的第一外部入口部分(13),第一外部出口部分(14),与第一外部入口部分 或第一外部出口部分,连接出口部分(22),与连接入口部分或连接出口部分连通的第二外部入口部分(31),第二外部出口部分(32),第一室(40) ,第二室(50),进气止回阀(61,71),排气止回阀(66,76),压力施加机构(80),工作流体流入/出口部分(90),用于使工作流体 A),用于使压力施加机构往复运动以流入或从两个室中的至少一个流入,从而推动压力施加机构(80)外部的隔膜部分(100,120),以及推动单元(110,115,130,135 ),用于向内推动推动隔膜部分。