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1. 发明授权

US07234482B2 Servovalve with torque motor 有权
标题翻译：带扭矩电机的伺服阀
公开(公告)号：US07234482B2
公开(公告)日：2007-06-26
申请号：US11084754
申请日：2005-03-21
申请人： Vladimír Ryne{hacek over (s)} , Tomá{hacek over (s)} Hrachovský
发明人： Vladimír Ryne{hacek over (s)} , Tomá{hacek over (s)} Hrachovský
IPC分类号： F16K31/02 , H01F7/08 , G05D16/20
CPC分类号： G05D7/0635 , Y10T137/2278
摘要： The servovalve with torque motor consists of a cylindrical case (3) in which an armature (1) is arranged on one end of an arm (16) and a orifice (18) closing a nozzle (19) with working liquid (2) on the other side of the arm (16). The arm (16) is free to rotate round the pivot point of a flexible suspension (15) with a hole (21) of diameter corresponding to the maximum deflection of the arm (16). There are two magnetic pole shoes (5) and two electric pole shoes (4) located around the armature (1), equipped with sealing rings (6), and so the working liquid (2) filling the inside of the case (3) and surrounding the arm (16) and the armature (1) does not leak out of the inside space. Coils (7) are located outside the case (3). The pole shoes (4, 5) are equipped with threaded parts (12), fitting either into the outer ring (10) or the body (3). The magnetic pole shoes (5) are equipped with a non-magnetic protective housing (9). The servovalve solution minimizes flow of the working liquid (2) through the electromagnetic circuit area, separates this area from the working liquid (2) and facilitates adjustment of the torque motor characteristics. The servo valve is suitable for high pressures.
摘要翻译：具有扭矩电动机的伺服阀包括圆柱形壳体（3），其中电枢（1）布置在臂（16）的一端上，并且孔（18）用工作液体（2）封闭喷嘴（19）臂（16）的另一侧。臂（16）可自由地绕着具有对应于臂（16）的最大偏转的直径的孔（21）的柔性悬架（15）的枢转点旋转。在电枢（1）周围有两个磁极靴（5）和两个电杆靴（4），配有密封环（6），工作液体（2）填充在箱体（3）的内部，并且围绕臂（16）和电枢（1）不会从内部空间泄漏。线圈（7）位于外壳（3）的外侧。极靴（4,5）配备有螺纹部分（12），其装配到外圈（10）或主体（3）中。磁极靴（5）配备有非磁性保护壳体（9）。伺服阀解决方案使工作液体（2）通过电磁回路区域的流动最小化，将该区域与工作液体（2）分离，便于扭矩电机特性的调整。伺服阀适用于高压。

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