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    • 81. 发明公开
    • Arbeitszylinder
    • EP0775619A2
    • 1997-05-28
    • EP96115104.0
    • 1996-09-20
    • WABCO GmbH
    • Pohl, WolfgangRunge, Hartmut
    • B60T17/08F15B15/22
    • F15B15/22B60T17/083
    • 2.1 In einem Arbeitszylinder mit einem Federspeicherteil und einem Betriebsteil, bei dem eine Federkammer des Federspeicherteils und eine Atmosphärenkammer des Betriebsteils über eine Druckausgleichsleitung verbunden sind, können durch letztere Verunreinigungen der Umgebungsluft in die Federkammer übertreten und dort Verschleiß und Korrosion verursachen.
      2.2 Die Erfindung schlägt vor, zur Verringerung des beschriebenen Risikos die Druckausgleichsleitung (5) als Drosselleitung auszubilden.
      2.3 Ein spezielles Anwendungsgebiet des erfindungsgemäßen Bremszylinders bilden Bremsanlagen in der Fahrzeugtechnik.
    • 气动伺服缸在膜的一侧具有弹簧室(19),另一侧具有气动室(18)。 弹簧室由压力均衡管道(5)排放到具有大气压力的室(13)。 管道包含压力限制器(8)。 压力限制器可以包括一个简单的过滤器。 压力限制器的作用是防止杂质被吸入弹簧室,造成腐蚀。 这些杂质可能包括灰尘和水分。
    • 82. 发明公开
    • Pneumatic cylinder
    • 气动缸
    • EP0735280A3
    • 1997-03-05
    • EP95114916.0
    • 1995-09-21
    • KOREA INSTITUTE OF MACHINERY & METALS
    • Kim, Hyoung-EuiKim, Dong-Soo
    • F15B15/22
    • F15B15/222F15B15/225
    • a pneumatic cylinder includes a cushioning device having a first cushioning sleeve gradually decreasingly communicating a first cushioning chamber with a first passage formed on a first cap and connected to a first fluid flowing ports as the first cushioning sleeve is gradually inserted into the first passage; a second cushioning sleeve gradually decreasingly communicating a second cushioning chamber with a second passage formed on the second caps and connected to the second fluid flowing ports as the second cushioning sleeve is gradually inserted into the second passage; a first quick fluid exhaust valve which is mounted on the first cap and is selectively opened by pushing force of the piston to communicate the first cushioning chamber with the first passage; a second quick fluid exhaust valve which is mounted on the second cap and is selectively opened by pushing force of the piston to communicate the second cushioning chamber with the second passages; a first quick fluid supply valve which is mounted on the first cap and is selectively opened as pressurized pressure flows into the first chamber to rapidly supply fluid to the second cushioning chamber; and a second quick fluid supply valve which is mounted on the second cap and is selectively opened as pressurized pressure flows into the second chambers to rapidly supply fluid to the first cushioning chamber.
    • 83. 发明公开
    • Pneumatic cylinder
    • Pneumatikzylinder
    • EP0735280A2
    • 1996-10-02
    • EP95114916.0
    • 1995-09-21
    • KOREA INSTITUTE OF MACHINERY & METALS
    • Kim, Hyoung-EuiKim, Dong-Soo
    • F15B15/22
    • F15B15/222F15B15/225
    • a pneumatic cylinder includes a cushioning device having a first cushioning sleeve gradually decreasingly communicating a first cushioning chamber with a first passage formed on a first cap and connected to a first fluid flowing ports as the first cushioning sleeve is gradually inserted into the first passage; a second cushioning sleeve gradually decreasingly communicating a second cushioning chamber with a second passage formed on the second caps and connected to the second fluid flowing ports as the second cushioning sleeve is gradually inserted into the second passage; a first quick fluid exhaust valve which is mounted on the first cap and is selectively opened by pushing force of the piston to communicate the first cushioning chamber with the first passage; a second quick fluid exhaust valve which is mounted on the second cap and is selectively opened by pushing force of the piston to communicate the second cushioning chamber with the second passages; a first quick fluid supply valve which is mounted on the first cap and is selectively opened as pressurized pressure flows into the first chamber to rapidly supply fluid to the second cushioning chamber; and a second quick fluid supply valve which is mounted on the second cap and is selectively opened as pressurized pressure flows into the second chambers to rapidly supply fluid to the first cushioning chamber.
    • 气缸具有圆柱形管,其具有安装在气缸管的相对端上的两个盖(104,106)。 盖具有带有两个缓冲调节阀的流体流动端口。 第一缓冲套筒固定在活塞(108)上并与活塞相对延伸。 套筒逐渐减小第一缓冲室,其中第一通道形成在第一盖上并连接到第一流体流动端口。
    • 87. 发明公开
    • Einrichtung zur Endlagendämpfung
    • Einrichtung zurEndlagendämpfung。
    • EP0157213A1
    • 1985-10-09
    • EP85102590.8
    • 1985-03-07
    • Krupp MaK Maschinenbau GmbH
    • Schneider, Wolf, Dipl.-Ing.
    • F15B15/22B66C23/86
    • B66C23/86B66C23/545F15B15/224
    • Für über hydraulische Zylinder (6, 7) betriebene Schwenkwerke von Arbeitsgeräten, die gegeneinander versetzte Positionen an einem Schwenkantriebskreis einnehmen, ist vorgesehen, eine Endlagendämpfung über die Kolben (21, 22; 39) der Zylinder (6, 7; 34; 43) vorzunehmen. Hierzu ist die zu dämpfende Seite (12, 13) des Zylinders (6, 7) in ihrem Endbereich mit einer Verbindungsleitung (14,16; 35; 46) versehen, die gegebenenfalls auch durch den Kolben (21, 22; 39) verschließbar ist. Weiterhin ist eine freie Verbindungsleitung (15, 17; 36; 48) mit einem eingebauten Drosselventil (23, 24; 41; 49) angeordnet, wobei ein Rückschlagventil (25, 26; 42; 50), das gegebenenfalls entsperrbar ist, parallel zum Drosselventil (23, 24; 41; 49) geschaltet ist.
    • 1.工作装置(2)的行走缓冲装置的末端,如通过液压缸操作的起重机和挖泥船臂,其中两个气缸(6,7,74,33)作用在位置(9,10 )相对移动的枢转驱动圆(11),其特征在于,待衬垫的气缸(6,7; 34; 43)的侧面(12,13)在其端部区域中包括连接线(14) ,16; 35; 46)和具有节流阀(23,24; 41; 49)的另一连接管线(15,17; 36; 48),止回阀(25,26; 42; 50) ,其中所述止回阀(25,26; 42; 50)在与所述节流阀(23,24; 41; 49)平行布置的气缸(6,7; 34; 43) 通过控制元件(29,31,33),可以通过控制元件(29,31,33)在枢转驱动圆(11)处的顺序开关凸轮(32)来解除气缸(6,7)的死点位置的依赖性,使得 在每种情况下都是cyl的止回阀 较大的有效杠杆臂(滞后气缸)的内六角(6或7)仍保持关闭状态。
    • 88. 发明公开
    • Rotary actuator
    • Drehantrieb。
    • EP0034069A1
    • 1981-08-19
    • EP81300561.8
    • 1981-02-11
    • SUPERFOS HYDRAULIC a/s (SUPERFOS a/s)
    • Söndergaard, JorgenNielsen, Arne Lykke
    • F15B15/22F15B15/08
    • F15B15/068F15B15/225
    • The actuator comprises a casing (1) and a spindle (6) coupled together by means of a threaded sleeve (10). An axial displacement of the sleeve along the spindle produces the desired relative rotation between the two main parts (1, 6). The displacement occurs in response to the supply of a fluid to a chamber (11) between one end (5) of the casing and a piston (12) which is displaceable along the spindle, and which in turn presses on the sleeve (10). The outflow of fluid through an aperture (13) is throttled at one or more predetermined points of the rotation by means of a spring loaded shoe (16). During the rotation the shoe overlaps the aperture (13) whereby a desired retardation of the rotation is obtained. Undesired throttling of the inflow of fluid, when the shoe overlaps the aperture et the opposite direction of rotation, is avoided due to the fact that the pressure of the fluid overcomes the spring load.
    • 致动器包括壳体(1)和通过螺纹套筒(10)联接在一起的心轴(6)。 套筒沿着心轴的轴向位移在两个主要部分(1,6)之间产生期望的相对旋转。 响应于流体供应到壳体的一端(5)和活塞(12)之间的位移发生,所述腔(11)可沿着心轴移动,并且其又压在套筒(10)上, 。 通过孔(13)流出的流体通过弹簧加载的鞋(16)在旋转的一个或多个预定点处节流。 在旋转期间,鞋与孔(13)重叠,从而获得期望的旋转延迟。 由于流体的压力克服弹簧载荷的表面,流体的流入不期望地节流,当鞋重叠孔径和相反的旋转方向时,可以避免流体的流失。
    • 90. 发明公开
    • Locking cylinders
    • Arbeitszylinder。
    • EP0004165A1
    • 1979-09-19
    • EP79300316.1
    • 1979-03-01
    • Applied Power Inc.
    • Skover, Nick, Jr.
    • F15B15/22B62D33/06
    • B62D33/07F15B13/015
    • A piston-and-cyiinder actuator for a tilting cab on a vehi- de has a main piston (38) with a piston rod (40) extendable by application of hydraulic pressure to push port (28) and retractable by hydraulic pressure applied to pull port (30). During retraction return of fluid from expansion chamber (34) is not possible through one-way supply valve (78) but is controlled by poppet valve (68). Valve (68) is spring biassed but can be opened by a combination of differential pressure across the valve and the movement of a pilot piston (66) acted upon by the pressure at the pull port (30). The return path to the push port (28) is by way of a passage (52) in the poppet valve (68). In a modification the pilot piston (66) first acts by way of a floating rod to open a valve in the passage (52).
      The actuator provides smooth movement with a minimum of bouncing because it prevents the weight of the cab driving the piston rapidly after the cab passes the balanced position.
    • 一种用于车辆上的倾斜驾驶室的活塞和气缸致动器具有主活塞(38),活塞杆(40)可通过向推动端口(28)施加液压而延伸,并且可通过施加到拉动端口 30)。 在通过单向供给阀(78)而不能通过提升阀(68)控制来自膨胀室(34)的流体回缩返回期间。 阀(68)是弹簧偏压的,但是可以通过跨越阀的压差和由引导端口(30)上的压力起作用的先导活塞(66)的运动的组合来打开阀。 推动端口(28)的返回路径通过提升阀(68)中的通道(52)。 在变型中,先导活塞(66)首先通过浮动杆作用以打开通道(52)中的阀。 ... 致动器以最小的弹力提供平稳的运动,因为它可以防止在驾驶室经过平衡位置后快速驾驶活塞的驾驶员的重量。