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1. 发明授权

US5868160A Two-way insert valve 失效
标题翻译：双向插入阀
公开(公告)号：US5868160A
公开(公告)日：1999-02-09
申请号：US913636
申请日：1997-09-05
申请人： Karl Cords , Hubert Feser , Karlheinz Hunschede , Gotz-Dieter Machat , Georg Rausch
发明人： Karl Cords , Hubert Feser , Karlheinz Hunschede , Gotz-Dieter Machat , Georg Rausch
IPC分类号： F15B13/04 , F15B13/042 , F16K1/38 , F16K27/02
CPC分类号： F16K27/02 , F15B13/0405 , Y10T137/7668 , Y10T137/7782
摘要： A two-way insert valve having an insert assembly which can be installed in a receiving bore hole and having a valve cover for closing the receiving bore hole, the insert assembly consisting of two parts, has a bush with several radial passages and with an axial passage and a ring arranged between the bush and the valve cover and has a valve piston by which a connection between the radial passages and the axial passage can be controlled and which is displaceable in opening direction up to a stop. A closing spring urges the valve piston in closed direction. The valve piston in its closed position is guided by the bush at least approximately up to the first end of the bush facing the ring. In this way, the guidance between the valve piston and the bush, the quality of which is determined essentially by the ratio between the guidance length and the guidance diameter, is still sufficiently good even if the radial passages through the bush and the diameter of the valve piston are made very large in order thereby to obtain large opening cross sections of the valve and thus a low resistance to flow.
摘要翻译： PCT No.PCT / EP96 / 00737。 371日期：1997年9月5日 102（e）1997年9月5日PCT PCT 1996年2月22日PCT公布。第WO96 / 29518号公报日期1996年9月26日一种具有插入组件的双向插入阀，其可安装在接收孔中并具有用于封闭接收孔的阀盖，该插入组件由两部分组成，具有多个径向的衬套通道，并且具有布置在衬套和阀盖之间的轴向通道和环，并且具有阀活塞，通过该阀活塞可以控制径向通道和轴向通道之间的连接，并且其可以在打开方向上移动直到停止。关闭弹簧促使阀门活塞处于关闭方向。处于其关闭位置的阀活塞至少大致直到衬套面向环的第一端被衬套引导。以这种方式，阀门活塞和衬套之间的引导，其质量基本上由引导长度和引导直径之间的比率决定，即使通过衬套的径向通道和直径阀活塞制得非常大，从而获得阀的大的开口横截面，因此具有低的阻力。

2. 发明授权

US5857479A Precontrolled three-way pressure reduction valve 失效
标题翻译：预先控制的三通减压阀
公开(公告)号：US5857479A
公开(公告)日：1999-01-12
申请号：US750094
申请日：1996-11-25
申请人： Karl Cords , Gotz-Dieter Machat , Karl-Josef Meyer , Michael Schulte , Wilfried Stroka
发明人： Karl Cords , Gotz-Dieter Machat , Karl-Josef Meyer , Michael Schulte , Wilfried Stroka
IPC分类号： F16K11/056 , G05D16/10
CPC分类号： G05D16/10 , Y10T137/2607 , Y10T137/2615 , Y10T137/2635
摘要： A precontrolled three-way pressure reduction valve having essentially vibration-free operation is encased in a cartridge and has a hollow control piston wherein a working fluid space is formed as a T-shaped cavity within the control piston. In the cavity, there are axial and transverse bores of approximately the same diameter. A groove encircles the control piston, and has a width which is slightly larger than a diameter of the transverse bore, the transverse bore communicating with the groove.
摘要翻译： PCT No.PCT / EP95 / 01977 Sec。 371日期：1996年1月25日 102（e）日期1996年11月25日PCT提交1995年5月24日PCT公布。出版物WO95 / 33231 日期1995年12月7日具有基本上无振动操作的预先控制的三通压力减压阀被封装在料筒中并具有中空控制活塞，其中工作流体空间在控制活塞内形成为T形腔。在空腔中，存在大致相同直径的轴向和横向孔。沟槽环绕控制活塞，其宽度稍大于横向孔的直径，横向孔与槽连通。

3. 发明授权

US06095177A Precontrolled 3-way pressure control valve 有权
标题翻译：预先控制的三通压力控制阀
公开(公告)号：US06095177A
公开(公告)日：2000-08-01
申请号：US155730
申请日：1998-10-02
申请人： Gotz-Dieter Machat , Karl-Josef Meyer , Wilfried Stroka , Jurgen Zugner
发明人： Gotz-Dieter Machat , Karl-Josef Meyer , Wilfried Stroka , Jurgen Zugner
IPC分类号： F15B13/043 , F15B13/04 , G05D16/10 , G05D16/16 , G05D7/00
CPC分类号： G05D16/10 , F15B13/0402 , F15B13/0407 , Y10T137/2607 , Y10T137/2635
摘要： A precontrolled 3-way pressure control valve with a main valve having, in a valve housing, a valve bore with first, second and third control chambers connected with pressure connection, tank connection, and control connection, respectively, a control piston displaceable in a valve bore, wherein the third control chamber is connectable with the first or second control chambers, and subjectable in opposite direction to pressures from the control connection and pressure setting of a pilot valve. With deviation of pressure applied in control connection from pressure setting of the pilot valve, an imbalance of forces develops in the valve. Oblong holes, distributed over circumference of hollow control piston pass through the wall, are located in the wall radially delimiting its hollow chamber, which holes are longer than clearances between two control chambers. The hollow chamber is connected by a control nozzle on the control piston with a first pressure chamber in front of one end of the control piston, from which chamber a fluid connection leads to the pilot valve formed as a pressure-limiting valve. The control connection is connected with a second pressure chamber in front of other end of the control piston. The control piston is displaceable by pressure in the second pressure chamber against pressure in the first pressure chamber and against force of a spring arrangement by which the control piston is displaceable into position wherein the third control chamber is connected with the first control chamber, connecting the second and third control chambers.
摘要翻译： PCT No.PCT / EP97 / 01380 Sec。 371日期：1998年10月2日 102（e）日期1998年10月2日PCT 1997年3月19日PCT公布。公开号WO97 / 40436 日期1997年10月30日一种具有主阀的预先控制的三通压力控制阀，其在阀壳体中具有分别与压力连接，罐连接和控制连接连接的第一，第二和第三控制室的阀孔，控制活塞可在阀孔中移动，其中第三控制室可与第一或第二控制室连接，并可与来自控制连接的压力和先导阀的压力设定相反的方向。由于控制连接中施加的压力偏离先导阀的压力设定，在阀门中产生不平衡的力。分布在中空控制活塞的圆周上的贯穿壁的长孔位于径向限定其中空室的壁中，该孔比两个控制室之间的间隙更长。中空室通过控制活塞上的控制喷嘴与控制活塞的一端前面的第一压力室相连接，流体连接通向形成为限压阀的先导阀。控制连接件与控制活塞另一端前方的第二压力室连接。控制活塞能够通过第二压力室中的压力抵抗第一压力室中的压力而移动，并且抵抗弹簧装置的力，控制活塞可通过该弹簧装置移动到第三控制室与第一控制室连接的位置，第二和第三控制室。

4. 发明授权

US5295663A Pressure control valve 失效
标题翻译：压力控制阀
公开(公告)号：US5295663A
公开(公告)日：1994-03-22
申请号：US996487
申请日：1992-12-28
申请人： Gotz-Dieter Machat , Eugen Ebert , Hans Wolfges
发明人： Gotz-Dieter Machat , Eugen Ebert , Hans Wolfges
IPC分类号： F16K17/10
CPC分类号： F16K17/10 , Y10T137/7764 , Y10T137/7766
摘要： A pressure control valve is provided comprising an inlet bore, an annular channel and a control spool. So as to obtain a low control deviation and good stability an annular channel is provided at the outlet side of the valve. The axial extension of said annular channel is smaller than the outlet flow area formed by said bores.
摘要翻译：提供一种压力控制阀，包括入口孔，环形通道和控制阀芯。为了获得低控制偏差和良好的稳定性，在阀的出口侧设置环形通道。所述环形通道的轴向延伸小于由所述孔形成的出口流动面积。

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