-
公开(公告)号：US4825904A
公开(公告)日：1989-05-02
申请号：US182349
申请日：1988-04-18
CPC分类号： F16K31/0682 , F16K31/082 , Y10T137/8242
摘要： A flow control valve assembly including a valve having open and closed positions and a limited angle torque motor having two angular rotor positions corresponding to the open and closed valve positions that are stable in the absence of an applied electrical signal. The valve motor includes magnetic pole pieces forming a concentric shell around the motor shaft that include air gaps, disposed generally parallel to the axis of rotation of the shaft. Pole blades adjacent the rotor are magnetically linked to the pole pieces by flanges disposed at the rotor ends. Two alternative minimum reluctance flux paths are provided for a permanent magnet that is mounted on the rotor with its poles transverse to the axis of rotation. The two minimum reluctance paths provide the stable rotor positions. A magnetic flux sensor disposed in or proximate one of the air gaps is employed with a relatively high frequency electrical signal to determine relative rotor and valve positon. A current signal is applied to the stator coil of the motor to actuate the valve. The interaction of the magnetic field of the permanent magnet with the fields produced by the low and higher frequency electrical signals generate the actuation and rotor position responses, respectively.
摘要翻译： 一种流量控制阀组件，其包括具有打开和关闭位置的阀和具有对应于在没有施加电信号的情况下是稳定的打开和关闭阀位置的两个角转子位置的有限角度转矩电动机。 阀马达包括形成围绕电动机轴的同心壳的磁极片，其包括大致平行于轴的旋转轴线设置的气隙。 与转子相邻的杆叶片通过设置在转子端部的凸缘与极片磁连接。 为安装在转子上的永磁体提供两个可选的最小磁通通路，其永磁体横向于旋转轴线。 两个最小磁阻路径提供稳定的转子位置。 采用布置在其中一个气隙中或靠近其中一个气隙的磁通量传感器，具有较高频率的电信号以确定相对的转子和阀位。 电流信号被施加到电动机的定子线圈以致动阀。 永磁体的磁场与由低频和高频电信号产生的场的相互作用分别产生致动和转子位置响应。
-
公开(公告)号：US4510403A
公开(公告)日：1985-04-09
申请号：US579784
申请日：1984-02-13
申请人： Robert D. Vanderlaan , Richard Grau
发明人： Robert D. Vanderlaan , Richard Grau
摘要： A 2-pole limited angle torque motor including a rotor assembly having one or more permanent magnets which are magnetized in the diametrical direction and a stator assembly having a pair of stator magnetic pole blades surrounded by a high density layer wound stator coil, with stator pole flanges at opposite ends of the stator magnetic pole blades which create a cross flux through the stator and rotor assemblies that produces a limited angle turning torque in the motor. The permanent rotor magnets along with stator magnetic poles and magnetic housing produce a magnetic reluctance torque that can be controlled to obtain a desired magnetic centering or de-centering spring rate for the rotor at a particular torque or power level. A magnetically saturating flux path may also be made to occur in the motor at the end of the rotational design stroke of the motor to provide a magnetic stop for the rotor shaft.
摘要翻译： 一种二极限角转矩电动机，包括具有一个或多个在径向磁化的永磁体的转子组件和定子组件，该定子组件具有由高密度层卷绕的定子线圈包围的一对定子磁极叶片，定子极 在定子磁极刀片的相对端处的法兰，其产生通过定子和转子组件的交叉磁通，其在电动机中产生有限的角度转动转矩。 永久转子磁体与定子磁极和磁性壳体一起产生磁阻转矩，其可被控制以在特定扭矩或功率水平下为转子获得期望的磁心定心或去定心弹簧刚度。 在电动机的旋转设计行程结束时，磁饱和磁通路径也可能发生在电动机中，以提供用于转子轴的磁性停止。
-
3.发明授权Direct drive valve and force motor assembly including interchangeable stator assembly and alignment system or method 失效直接驱动阀和强力电机组件，包括可互换的定子组件和对准系统或方法
公开(公告)号：US4641812A
公开(公告)日：1987-02-10
申请号：US737251
申请日：1985-05-23
CPC分类号： H02K26/00 , F15B13/0402 , F15B13/0444 , H01F7/145 , Y10T29/49412 , Y10T29/49758
摘要： A direct drive valve and force motor assembly including interchangeable stator assembly and method for accurately setting the magnetic spring null of the motor with respect to the servo valve hydraulic null independent of the actual motor stator assembly, whereby the motor stator assembly may be configured as an interchangeable plug-in module with interface electrical connector. This is accomplished by using a simple fixture which simulates the motor stator assembly and senses rotor magnet position. The stator simulating fixture may be used to rotatably adjust the position of the rotor casing so that the magnetic spring null corresponds to the hydraulic valve null. Both the stator simulating fixture and motor stator assembly include an index pin engageable with a stator alignment keyway in the rotor casing for maintaining the desired orientation therebetween. Also, rotor over-travel stops keyed to the rotor casing may be centered during the nulling process. Once the nulling process is complete, the stator simulating fixture may be removed and the motor stator assembly may be mounted in place. The motor stator assembly may be loosely held in an outer housing which has limited rotation relative to the motor stator assembly to permit a plug-in electrical connector for the stator windings on the exterior of the outer housing to be brought into alignment with a receptacle in the valve body and plugged into the receptacle without damaging the lead wires. Then the outer housing and motor stator assembly may be clamped in place as by threading a nut on a shaft extension on the outer end of the rotor casing which extends through an opening in an end wall of the outer housing.
摘要翻译： 直接驱动阀和强制电动机组件，其包括可互换的定子组件和用于相对于实际的电动机定子组件独立于伺服阀的液压零位准确地设定电动机的无弹簧空位的方法，由此电动机定子组件可被配置为 可互换插件模块，带有接口电连接器。 这是通过使用模拟电机定子组件并感测转子磁体位置的简单夹具来实现的。 定子模拟夹具可以用于可转动地调节转子壳体的位置，使得磁性弹簧无效对应于液压阀零点。 定子模拟夹具和电动机定子组件都包括可与转子壳体中的定子对准键槽接合的分度销，用于在其间保持期望的取向。 此外，转子套管上的转子超行程停止键可以在归零过程中居中。 一旦归零过程完成，定子模拟夹具可以被移除并且电动机定子组件可以安装到位。 马达定子组件可以松动地保持在外壳中，该外壳相对于马达定子组件具有有限的旋转，以允许用于外壳外部的定子绕组的插入式电连接器与插座对准 阀体并插入容器中而不损坏引线。 然后外壳和电动机定子组件可以通过在转子外壳的外端上延伸穿过外壳的端壁中的开口的轴延伸部上的螺母拧紧就位。
-
公开(公告)号：US5092178A
公开(公告)日：1992-03-03
申请号：US345117
申请日：1989-04-28
申请人： Robert D. Vanderlaan
发明人： Robert D. Vanderlaan
CPC分类号： G01L13/02 , G01L9/0089
摘要： Differential pressure sensor mechanisms include core members acted upon by pressure sensing plungers at opposite ends of the core members to cause axial movement of the core members relative to a linear variable position sensor when unequal force balances are applied to the respective plungers, and centering springs for centering the core members with respect to the sensor when equal force balances are applied to the respective plungers. The centering springs desirably flex equally in both directions to keep reversing stress levels to a minimum and are essentially unloaded in the null or lower load region of operation to minimize the possibility of induced plunger side loading in the most active and critical region of performance. Carriage members desirably support opposite ends of the core members for coaxial movement relative to the sensor.
摘要翻译： 差压传感器机构包括在芯构件的相对端处由压力检测柱塞作用的芯构件，以在不均等力平衡施加到相应的柱塞时引起芯构件相对于线性可变位置传感器的轴向移动，以及用于 当相同的力平衡施加到相应的柱塞时，将芯构件相对于传感器定心。 中心弹簧理想地在两个方向上均等地弯曲，以将反应应力水平保持在最小值，并且在无负载或较低负载操作区域中基本上卸载，以最小化在最活跃和关键的性能区域中引起的柱塞侧负载的可能性。 理想的是，支架构件支撑着芯构件的相对端，用于相对于传感器的同轴运动。
-
公开(公告)号：US5012144A
公开(公告)日：1991-04-30
申请号：US371936
申请日：1989-06-27
CPC分类号： H01F7/1615 , H01F7/122
摘要： Linear direct drive motor includes a pair of axially spaced, relatively fixed stator poles and an armature mounted on a motor shaft for axial movement between the stator poles. The ends of the motor shaft are supported by centering springs which permit axial movement of the shaft and thus the armature relative to the stator poles. Positive stops are located between the stator and stator poles for preventing armature overtravel. Extending between the stator poles is a sleeve member which supports a ring magnet in radially spaced relation from the armature. Adjacent opposite ends of thee ring magnet are a plurality of layers of electrical coils, with the layers adjacent one end of the magnet being paired with different layers at the other end to provide redundant electrical channels and symmetric motion behavior.
摘要翻译： 线性直接驱动电动机包括一对轴向间隔开的相对固定的定子极和安装在电动机轴上的电枢，用于在定子极之间轴向运动。 电动机轴的端部由定心弹簧支撑，其允许轴的轴向运动，从而允许电枢相对于定子极。 定子和定子极之间的止挡位置用于防止电枢超行程。 在定子极之间延伸的是套筒构件，该套筒构件以与衔铁成径向间隔的关系支撑环形磁体。 环形磁体的相邻相对端是多层电气线圈，邻近磁体一端的层与另一端的不同层配对，以提供冗余电气通道和对称运动行为。
-
公开(公告)号：US4816707A
公开(公告)日：1989-03-28
申请号：US761772
申请日：1985-08-02
申请人： Robert D. Vanderlaan
发明人： Robert D. Vanderlaan
摘要： Limited angle torque motor includes a rotor assembly having one or more permanent magnets which are magnetized in the diametrical direction and a stator assembly including a pair of circumferentially spaced stator magnetic pole pieces, each having a stator pole flange at the opposite end thereof. Each stator pole piece has a greater circumferential width in the region of the respective stator pole flanges to increase the amount of magnetic material in such region where the flux density is the highest. Surrounding the stator assembly is a magnetic housing which desirably effectively has no air gap therein.
摘要翻译： 有限角度扭矩电动机包括具有一个或多个在径向磁化的永磁体的转子组件和一组定子组件，该定子组件包括一对周向间隔开的定子磁极片，每个定子磁极片在其相对端具有定子极凸缘。 每个定子极片在相应的定子极法兰的区域中具有更大的周向宽度，以增加通量密度最高的区域中的磁性材料的量。 定子组件周围是磁性壳体，其期望在其中没有气隙。
-
公开(公告)号：US4533891A
公开(公告)日：1985-08-06
申请号：US482769
申请日：1983-04-07
CPC分类号： H01F7/145 , H02K26/00 , H02K5/1285
摘要： A two pole stationary coil rotary magnet motor which provides for increased work and reduced rotary inertia. The motor consists of two main assemblies, a rotor assembly contained within a rotor casing and a stator and housing assembly surrounding the rotor casing. One end of the casing is closed, whereas the other end is open to eliminate the need for a dynamic shaft seal. Fluid enters the casing at the open end thereof to provide a lubricating fluid for the rotor bearings and a heat conductive path. The rotor casing isolates the critical movement of the rotor from the contaminated atmosphere of the stator environment and allows replacement of the stator assembly without disturbing the rotor assembly. A permanent magnet rotor may be formed using one or more rare earth magnets which may be suitably bonded to the rotor shaft. A protective cover surrounds the rotor magnets to eliminate potential rotor magnet breakage contamination. The relationship between the rotor magnet angle and stator winding may be such as to produce a relatively large output work potential. Also, the lamination slot configuration and stator winding may be graded to optimize the torque versus rotation profile to more closely match the cosine function of various rotary to linear output gearing to provide a substantially constant force output.
摘要翻译： 一种双极固定线圈旋转磁铁电动机，可提高工作量，减少旋转惯量。 电动机由两个主组件组成，转子组件包含在转子壳体内，定子和壳体组件围绕转子壳体。 壳体的一端是封闭的，而另一端是开放的，以消除对动态轴封的需要。 流体在其开口端进入壳体，以提供用于转子轴承和导热路径的润滑流体。 转子壳体将转子的关键运动与定子环境的污染环境隔离，并允许更换定子组件而不会干扰转子组件。 可以使用一个或多个可适当地结合到转子轴的稀土磁体来形成永磁转子。 保护盖围绕转子磁铁，以消除潜在的转子磁体破损污染。 转子磁铁角度与定子绕组之间的关系可能会产生较大的输出功率电位。 此外，层叠槽结构和定子绕组可以被分级以优化扭矩与旋转轮廓，以更紧密地匹配各种旋转到线性输出齿轮的余弦函数，以提供基本恒定的力输出。
-
8.发明授权Electro-mechanical direct drive valve servo system with rotary to linear valve drive mechanism 失效机电直接驱动阀伺服系统具有旋转到直线阀驱动机构
公开(公告)号：US4466597A
公开(公告)日：1984-08-21
申请号：US326536
申请日：1981-12-02
申请人： Robert D. Vanderlaan
发明人： Robert D. Vanderlaan
IPC分类号： F15B13/04 , F15B13/044 , F15B18/00 , F16H23/08 , F16K31/02
CPC分类号： F15B13/0402 , F15B13/044 , F15B18/00 , F16H23/08 , Y10T74/18336
摘要： An electro-mechanical direct drive valve servo system for an aircraft including a drive mechanism that couples the rotary output motion of a rotary force motor to linear motion at a sliding-type valve. The drive mechanism includes a pair of axially spaced rotary members connected to the force motor and a wobble member journaled between and canted by the rotary members with axial thrust bearings interposed between axially aligned opposed planar faces of the rotary and wobble members. A radial output arm on the wobble member is connected to the valve and is constrained for arcuate nutating movement whereby controlled rotation of the rotary member effects nutating movement of the wobble member and output arm which movement effects controlled linear movement of the valve. Additional control inputs such as braking and recentering function inputs are accommodated by the drive mechanism at its input end to take advantage of the mechanism's inherent gearing force ratio.
摘要翻译： 一种用于飞行器的机电直接驱动阀伺服系统，其包括驱动机构，其将旋转力马达的旋转输出运动耦合到滑动型阀的直线运动。 驱动机构包括一对轴向间隔开的旋转构件，其连接到力马达，以及摇摆构件，其摆动在旋转构件之间并由旋转构件旋转，其轴向推力轴承插入在旋转和摆动构件的轴向对准的相对的平面之间。 摆动构件上的径向输出臂连接到阀，并且被限制用于弓形章动运动，由此旋转构件的受控旋转影响摆动构件和输出臂的运动，其运动效应控制阀的线性运动。 额外的控制输入，例如制动和重新起动功能输入，由驱动机构在其输入端容纳，以利用机构的固有齿轮比。
-
公开(公告)号：US4672992A
公开(公告)日：1987-06-16
申请号：US830918
申请日：1986-02-19
IPC分类号： F15B13/04 , F15B13/044 , F16K31/52
CPC分类号： F16K31/52 , F15B13/0402 , F15B13/044 , Y10T137/6253 , Y10T137/86622 , Y10T74/18024 , Y10T74/18248
摘要： Ball drive mechanism includes a ball-like member on an eccentric output shaft of a rotary force motor which is received in a transversely extending cylindrical socket on a valve member. The outer diameter of the ball-like member is substantially the same as the inner diameter of the cylindrical socket to provide line contact therebetween at some distance radially offset from the longitudinal axis of the valve member which is at least as great as the eccentric offset, whereby the rotary output of the rotary force motor is translated into both linear and rotary movement of the valve member.
摘要翻译： 滚珠驱动机构包括在旋转力马达的偏心输出轴上的球形部件，该旋转力马达被容纳在阀构件上的横向延伸的圆柱形插座中。 球形构件的外径与圆柱形插座的内径基本相同，以在与偏心偏移至少一样大的阀构件的纵向轴线径向偏移的某一距离处提供线接触， 由此旋转力马达的旋转输出转换成阀构件的直线运动和旋转运动。
-
10.发明授权Torque motor with high torque poles and magnetic centering spring adjustment 失效具有高转矩磁极和磁性定心弹簧调节的扭矩电机
公开(公告)号：US4612526A
公开(公告)日：1986-09-16
申请号：US685036
申请日：1984-12-21
摘要： A two-pole limited angle torque motor including a rotor assembly having one or more permanent rotor magnets and a stator assembly including a stator coil and a pair of circumferentially spaced stator pole structures. Each pole structure includes a generally axially extending stator pole blade about which the stator coil circumferentially extends. A radially outwardly extending flange is at one end of one of the stator pole structures and at the opposite end of the other stator pole structure. The stator pole blades have a greater radial thickness adjacent the flanges thereof than at the opposite end of the blade to reduce the magnetic flux density of the stator pole structures in the region of the blades adjacent the flanges thereof. Also, the axial outer end faces of the flanges desirably protrude axially outwardly adjacent the radial inner ends thereof to make use of the fringing fields of the rotor magnet at the ends of the rotor assembly to increase the reluctance torque of the motor. At the ends of the stator assembly opposite the stator pole flanges on opposite sides of the rotor assembly are additional stator pole pieces. The blades of the stator pole structures terminate short of the other ends of the rotor magnet to provide room for the additional stator pole pieces at such other ends for a given rotor length whereby the motor has a substantially higher reluctance torque without significantly reducing the torque due to interaction of magnetic fields. Surrounding the stator assembly is an outer magnetic housing comprising two semi-cylindrical parts with air gaps between opposite sides thereof, said housing parts being rotatable relative to each other to change the size of one gap relative to the other or otherwise machinable to change both gaps equally for adjusting the reluctance torque of the motor.
摘要翻译： 包括具有一个或多个永久转子磁体的转子组件和包括定子线圈和一对周向间隔开的定子极结构的定子组件的两极限制角力矩电动机。 每个极结构包括一个大致轴向延伸的定子极叶片，定子线圈周围延伸定子极叶片。 一个径向向外延伸的凸缘位于一个定子极结构的一端，另一个定子极结构的另一端。 定子极片具有与其凸缘相邻的径向厚度大于在叶片的相对端处的径向厚度，以减小邻近其凸缘的叶片区域中的定子极结构的磁通密度。 此外，凸缘的轴向外端面优选地相对于其径向内端部轴向向外突出，以利用转子组件的端部处的转子磁体的边缘区域来增加电动机的磁阻转矩。 在定子组件的与转子组件的相对侧上的定子极凸缘相对的端部处是额外的定子极片。 定子极结构的叶片终止于转子磁体的另一端的较短端，为给定的转子长度提供额外的定子极片的空间，从而电动机具有明显更高的磁阻转矩，而不会明显地减小转矩 磁场相互作用。 围绕定子组件的是外部磁性壳体，该外部磁性壳体包括两个在其相对侧之间具有空气间隙的半圆柱形部分，所述壳体部分可相对于彼此旋转以改变一个间隙相对于另一间隙的尺寸或以其它方式机械加工以改变两个间隙 同样用于调整电机的磁阻转矩。
-
-
-
-
-
-
-
-
-
搜索结果
21 条记录 (耗时 0.027 秒)
