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    • 32. 发明申请
    • PNEUMATIC REGULATING PRESSURE REDUCING VALVE
    • 气动调节减压阀
    • WO98035278A1
    • 1998-08-13
    • PCT/FR1998/000228
    • 1998-02-06
    • G05D16/06
    • G05D16/0619Y10T137/7793Y10T137/7821
    • The invention concerns a pneumatic regulating pressure reducing valve in which the control rod (28) of the regulating valve (17) is supported and guided by two elastic washers (30) whose radial resistance to elastic deformation is at least 200 times higher than the axial resistance to elastic deformation. Each washer (30) comprises internal and external ring-shaped zones connected by at least three inclined arms, separated by openings. Preferably, a restrictor (44) is formed between a zone of the regulator located downstream of the valve (17) and a comparison chamber (42) whose pressure acts on a comparison capsule (32) connected to the rod (28).
    • 本发明涉及一种气动调节减压阀,其中调节阀(17)的控制杆(28)由两个弹性变形的径向阻力至少比轴向高200倍的两个弹性垫圈(30)支撑和引导 耐弹性变形。 每个垫圈(30)包括由至少三个由开口分开的倾斜臂连接的内部和外部环形区域。 优选地,限制器(44)形成在位于阀(17)下游的调节器的区域和其压力作用在连接到杆(28)的比较胶囊(32)上的比较室(42)之间。
    • 34. 发明公开
    • DECOMPRESSION VALVE
    • DEKOMPRESSIONSVENTIL
    • EP2416228A1
    • 2012-02-08
    • EP10761490.1
    • 2010-02-10
    • Keihin Corporation
    • YAMAMOTO Hiroaki
    • G05D16/06F16K17/30
    • F16K1/36F16K17/30F16K27/02G05D16/0658G05D16/0666Y10T137/7794Y10T137/7797Y10T137/7801Y10T137/7821Y10T137/7823Y10T137/7825Y10T137/7826
    • In a decompression valve, a valve mechanism housed in a body has a valve body that can be seated on a valve seat facing a valve chamber into which high pressure fluid is introduced, and a valve shaft that has one end linked to a pressure receiving member operable in association with pressure of a decompression chamber communicating with a valve hole surrounded by the valve seat and that extends through the valve hole while having the other end facing a back pressure chamber communicating with the decompression chamber, and the valve body is fitted around the outer periphery of the valve shaft. The valve body (36) is fitted around the outer periphery of the valve shaft (35) while allowing circulation of fluid between the valve chamber (32) and the back pressure chamber (65) via a space between the valve body (36) and the valve shaft (35), and an annular seal member (46) present between the valve chamber (32) and the back pressure chamber (65) is disposed between the outer periphery of the valve body (36) and a guide member (30) fixed to the body (16) so as to guide axial movement of the valve shaft (35). Accordingly, it is possible to reduce a number of seal members for providing sealing between a valve chamber and a decompression chamber and thus to reduce the cost.
    • 在减压阀中,容纳在主体中的阀机构具有阀体,该阀体可以位于面向引入高压流体的阀室的阀座上,阀体的一端与压力接收构件 可以与减压室的压力相联动,该减压室与由阀座包围的阀孔连通并且延伸穿过阀孔,同时另一端面向与减压室连通的背压室,并且阀体围绕 阀轴的外周。 阀体(36)围绕阀轴(35)的外周配合,同时允许流体在阀室(32)和背压室(65)之间经由阀体(36)和 存在于阀室(32)和背压室(65)之间的阀轴(35)和环形密封构件(46)设置在阀体(36)的外周与引导构件(30)之间 )固定到主体(16)上,以引导阀轴(35)的轴向运动。 因此,可以减少用于在阀室和减压室之间提供密封的密封构件的数量,从而降低成本。
    • 40. 发明公开
    • A pressure-reducing regulator for compressed natural gas
    • Drdindmindererfürverdichtes Erdgas。
    • EP0678798A2
    • 1995-10-25
    • EP95850054.8
    • 1995-03-13
    • ITT Corporation
    • Gotthelf, Jeffrey Bryan
    • G05D16/06
    • F02M21/0239B60K15/03006F02M21/0215G05D16/0663Y02T10/32Y10T137/6579Y10T137/7757Y10T137/7821Y10T137/8085
    • The valving element is positively tied to a pressure-sensing and -responsive diaphragm, via a diaphragm-carried insert. The connection is so arranged as to permit relative angular displacement, between the valving element and the diaphragm, so that cocking of the element, in its axial movement, will not occur. The gas filter is formed of a sintered plastic to avoid corrosion and flaking off of metallic particles. An aspirator hole communicates the diaphragm with the low-pressure chamber outlet, but has an artificially lower pressure, than the outlet pressure, introduced to the diaphragm, through the use of an ejector nozzle.
      A hole formed in the bonnet establishes atmospheric pressure above the diaphragm, but a porous plug in the hole prevents any ingestion of water, from puddle-splashing, take up from wet roads, and the like.
    • 阀元件通过隔膜支撑的插入件与压力感应和响应膜片正相关。 该连接被布置为允许阀元件和隔膜之间的相对角位移,使得元件在其轴向运动中的起跳不会发生。 气体过滤器由烧结塑料形成,以避免金属颗粒的腐蚀和剥落。 抽吸器孔将隔膜与低压室出口连通,但是通过使用喷射器喷嘴,人造压力低于引入隔膜的出口压力。 在发动机罩中形成的孔在隔膜上方形成大气压力,但是孔中的多孔塞子防止水从水中溅出,从潮湿的道路等中吸收。