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    • 4. 发明授权
    • Metering valve
    • 计量阀
    • US4520993A
    • 1985-06-04
    • US565615
    • 1983-12-27
    • Siegfried Schertler
    • Siegfried Schertler
    • F16K7/07F16K51/02F16K31/12
    • F16K51/02F16K7/07
    • An all metal gas metering valve is used in high vacuum installations in the range of 10.sup.-9 Torr. 1/sec. to 100 Torr. 1/sec. relative to helium and 20.degree. C. ambient temperature. An axially extending tubular member forming a part of the valve housing contains a rotationally symmetrical valve body. A bushing laterally encloses at least an axially extending part of and is welded to the tubular member around two welded seams spaced apart in the axial direction of the tubular member. A pressurized medium can be charged into the joint between the inside surface of the bushing and the outside surface of the tubular member and limited by the welded seams. The pressure acting on the tubular member constricts its cross-section and reduces the space between the side surface of the tubular member and the valve body. Initially, the space between the valve body and the tubular member can be kept very small so that a wide adjustment range is available by varying the pressure acting on the tubular member.
    • 全金属气体计量阀用于10-9 Torr范围内的高真空装置。 1秒。 到100乇。 1秒。 相对于氦气和20℃环境温度。 形成阀壳体的一部分的轴向延伸的管状构件包含旋转对称的阀体。 衬套横向地围绕在管状构件的轴向间隔开的两个焊缝的至少一个轴向延伸的部分并被焊接到管状构件。 加压介质可以填充到衬套的内表面和管状构件的外表面之间的接合部中并被焊缝限制。 作用在管状构件上的压力限制其横截面并减小管状构件的侧表面与阀体之间的空间。 最初,阀体和管状构件之间的空间可以保持非常小,从而通过改变作用在管状构件上的压力可以获得宽的调节范围。
    • 5. 发明授权
    • Slide valve assembly
    • 滑阀总成
    • US4470576A
    • 1984-09-11
    • US473739
    • 1983-03-09
    • Siegfried Schertler
    • Siegfried Schertler
    • F16K3/18F16K51/02F16K25/00
    • F16K51/02F16K3/18
    • Opening and closing of a fluid flow path is controlled by a valve closure member which consists of both a sealing plate and a counter element and which is moved within its own plane to open and close the valve assembly by a crank rod. Spreading elements are arranged between the sealing plate and the counter element tending to urge these members apart and the crank rod mechanism includes a slide member which is arranged to move within a guide slot in the sealing plate and to also engage a circumferential edge of the counter element so that during closing movement of the sealing plate by engagement of the slide member in the guide slot, the slide member may also extend to engage the circumferential edge of the counter element to rotate the counter element relative to the sealing plate in order to place the spreading elements in position to apply a sealing force between the sealing plate and counter element.
    • 流体流动路径的打开和关闭由阀关闭构件控制,该阀关闭构件由密封板和对置元件两者组成,并且在其自身的平面内移动,以通过曲柄杆打开和关闭阀组件。 扩展元件布置在密封板和相对元件之间,倾向于将这些构件分开,并且曲柄杆机构包括滑动构件,滑动构件布置成在密封板中的引导槽内移动并且还接合计数器的周边边缘 元件,使得在通过滑动构件在引导槽中的接合来闭合密封板的运动期间,滑动构件还可以延伸以接合相对元件的周向边缘,以相对于密封板旋转相对元件以便放置 位置上的扩散元件在密封板和计数元件之间施加密封力。
    • 6. 发明授权
    • Pneumatic actuator
    • 气动执行器
    • US4241644A
    • 1980-12-30
    • US963809
    • 1978-11-27
    • Siegfried Schertler
    • Siegfried Schertler
    • F16K31/12F16K31/122F16K31/40F01B31/00F15B13/042
    • F16K31/406Y10S277/91Y10S277/928
    • A pneumatic actuator in which a piston and a cylinder define an annular gap therebetween axially connecting two portions of the cylinder cavity otherwise separated by the piston. When compressed air is admitted to one of the cavity portions, an O-ring in an annular groove of the cylinder wall is expanded by the compressed air and seals the gap, and the piston is moved against the restraint of a strong compression spring. When the air backing the O-ring is vented, the air pressure in the cylinder drives the O-ring back into the groove, and air thereafter escapes quickly from the one portion of the cavity through the gap and into the other cavity portion which is open to the atmosphere. The resulting quick movement of the piston by the expanding compression spring is transmitted to a device outside the cylinder for operating the same.
    • 一种气动致动器,其中活塞和气缸在其间限定了环形间隙,轴向连接气缸腔的两个部分,否则由活塞分开。 当压缩空气进入其中一个空腔部分时,气缸壁的环形槽中的O形环通过压缩空气膨胀并且密封间隙,并且活塞克服强压缩弹簧的限制。 当空气背衬O形环被排出时,气缸中的空气压力将O形环驱动回到凹槽中,然后空气通过间隙从空腔的一部分迅速地逸出并进入另一空腔部分 对大气开放 通过膨胀的压缩弹簧导致的活塞的快速移动被传递到用于操作气缸的装置外部的装置。