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    • 51. 发明公开
    • CORRUGATED PIPE SEALING ASSEMBLY AND CORRUGATED PIPE VALVE HAVING THE SAME
    • DICHTUNGSANORDNUNGFÜREIN WELLROHR UND WELLROHR MIT DER DICHTUNGSANORDNUNG
    • EP2559928A1
    • 2013-02-20
    • EP11803132.7
    • 2011-06-30
    • Zhejiang Wanlong Machinery Co. Ltd.
    • CHENG, XingYan
    • F16K41/10F16K1/00F16K1/32
    • F16K1/04F16K41/10
    • A corrugated pipe sealing assembly and a corrugated pipe valve having the corrugated pipe sealing assembly are disclosed. The corrugated pipe sealing assembly comprises an inner corrugated pipe (3), an outer corrugated pipe (4), an upper corrugated header (5), a first lower corrugated header (2) and a second lower corrugated header (1). One end of the inner corrugated pipe (3) is fixed with the upper corrugated header (5), while the other end is fixed with the second lower corrugated header (1). One end of the outer corrugated pipe (3) is fixed with the upper corrugated header (5), while the other end is fixed with the first lower corrugated header (2). The outer corrugated pipe (4) is sleeved outside the inner corrugated pipe (3). The corrugated pipe sealing assembly and the corrugated pipe valve have the advantages of rational structure design, saving material cost, shortening the length of the whole valve, and shortening the stroke of the valve switch, and are comparatively favorable for places with height limits.
    • 公开了一种波纹管密封组件和具有波纹管密封组件的波纹管阀。 波纹管密封组件包括内波纹管(3),外波纹管(4),上波纹集管(5),第一下波纹集管(2)和第二下波纹集管(1)。 内波纹管(3)的一端固定有上波纹管(5),另一端固定有第二下波纹管(1)。 外波纹管(3)的一端固定有上波纹管(5),另一端固定有第一下波纹管(2)。 外波纹管(4)套在内波纹管(3)的外侧。 波纹管密封组件和波纹管阀具有结构设计合理,节省材料成本,缩短整个阀门长度,缩短阀门开关行程的优点,对于高度限制的场合较为有利。
    • 52. 发明公开
    • VENTIL ZUM REGULIEREN EINES FLUIDSTROMS
    • 阀来调节流体流动
    • EP2531651A1
    • 2012-12-12
    • EP10798533.5
    • 2010-12-15
    • Voith Patent GmbH
    • RUF, WolfgangFENKL, Konstantin
    • D21F1/06F15D1/02F16K1/00
    • D21F1/06D21F1/024F16K1/12G05D7/0635
    • The invention relates to a valve (1) for regulating a fluid flow (2), in particular a fibrous material suspension flow (2.1) preferably guided in a machine for producing a fibrous material web, in particular a paper, cardboard or packaging paper web, said valve comprising a hollow body (3) having a cavity (4) which at least in some sections is substantially rotationally symmetrical and has a longitudinal axis (L.4). Said cavity includes at least one inlet opening (5) having a longitudinal axis (L.5), a rotationally symmetrical confuser (6) and a cylindrical or approximately cylindrical constriction (7). The valve further comprises a preferably rotationally symmetrical valve rod (8) which can be moved coaxially in the cavity (4) of the hollow body (3) preferably by means of at least one actuating means (10), can vary the open confuser surface (A.6) as a result of a displacement (V), and in particular comprises a valve disc (9) with a valve disc diameter (D.9). The valve (1) according to the invention is characterised in that the cylindrical or approximately cylindrical constriction (7) in the cavity (4) of the hollow body (3) is dimensioned such that at least in an operating position (B), preferably in a closed operating position (BG) of the valve (1), a minimum volume flow (V
      min ) can be generated between the movable valve rod (8) and the cylindrical or approximately cylindrical constriction (7) when an open minimum annular surface (A
      min ) can be generated, which has a value of ≥ 0.1%, preferably ≥ 1%, in particular ≥ 4% of the maximum volume flow (V
      max ) of the valve (1).
    • 56. 发明公开
    • BACK PRESSURE RECEIVING VALVE
    • 背压接收阀
    • EP2199649A1
    • 2010-06-23
    • EP08838190.0
    • 2008-10-02
    • Surpass Industry Co., Ltd.
    • IGARASHI, Hiroki
    • F16K1/00F16K1/32F16K7/12
    • F16K41/103F16K7/14F16K31/1221Y10T137/7904
    • In a back-pressure responsive valve that receives large back pressure, the influence or the back pressure is minimized to limit or prevent an increase in size of an actuator and to maintain the valve function. A back-pressure responsive value (1A) includes a plug-type valve element (10A) that moves up and down in a valve chamber (2) to open and close a fluid channel (3), an urging part that holds the valve element (10A) in one of a fully closed position or a fully open position, an opening/closing mechanism that opens and closes the valve element (10A) with an operating force larger than that of the urging part, and a diaphragm (8) connected to a shaft (12) of the valve element (10A) and receiving back pressure from the fluid in the fully closed position of the valve element (10A), wherein the diameter of the valve element (10A) is set smaller at a diaphragm (8)-size base portion connected to the shaft (12) than at a valve-seat (7)-side end portion (11).
    • 在受到大背压的背压响应阀中,影响或背压被最小化以限制或防止致动器的尺寸增大并保持阀功能。 背压响应值(1A)包括在阀室(2)内上下移动而开闭流体通路(3)的插塞式阀芯(10A),将阀芯 (10A)的全开位置或完全打开位置中的任意一个位置;开闭机构,其以比所述施力部的操作力大的操作力开闭所述阀体(10A);以及隔膜(8) 与阀件(10A)的轴(12)连接并在阀件(10A)的完全关闭位置接收来自流体的背压,其中阀件(10A)的直径在隔膜(10A) 8)的基部与轴(12)连接的部分大于在阀座(7)侧的端部(11)处的基部。