-
公开(公告)号：US07166984B1
公开(公告)日：2007-01-23
申请号：US11267996
申请日：2005-11-07
摘要： Brushless repulsion motors are presented, in which rotor coils switching signal detectors are selectively located in spaced angular relationship on the rotor and signaling sources are distributed around all or most of the stator circumference to allow looser tolerances for motor manufacturing and improved controllability of rotor coil actuation during operation. Asymmetric stator poles are also provided for brushless repulsion motors to mitigate torque ripple and vibration, in which the shape of the stator pole tips is tailored by varying the angular length of the pole section.
摘要翻译： 提出了无刷斥力电动机，其中转子线圈切换信号检测器选择性地以转子间隔的角度关系定位，并且信号源分布在定子周围的全部或大部分周围，以允许用于电动机制造的更宽的公差和改进的转子线圈致动的可控性 在运行期间。 还提供了不对称的定子极，用于无刷斥力电机以减轻扭矩波动和振动，其中定子极尖的形状通过改变极部的角长度而被调整。
-
公开(公告)号：US06770045B2
公开(公告)日：2004-08-03
申请号：US10205714
申请日：2002-07-26
申请人： Jonathan M. Naft , Wyatt S. Newman
发明人： Jonathan M. Naft , Wyatt S. Newman
IPC分类号： A61F500
CPC分类号： A61F5/0125 , A61F2005/0162
摘要： A selectively lockable orthotic joint is provided that in one embodiment includes at least one pressure sensor and an electronic circuit associated with the pressure sensor for generating or providing a control signal indicative of pressure, force or other value sensed by the sensor. A mechanical orthotic joint is provided that has a locking mechanism that can be selectively locked and unlocked in response to the control signal.
摘要翻译： 提供了一种可选择性地锁定的矫正器关节，其在一个实施例中包括至少一个压力传感器和与压力传感器相关联的电子电路，用于产生或提供指示由传感器感测的压力，力或其它值的控制信号。 提供了一种机械矫正接头，其具有锁定机构，该锁定机构可以响应于控制信号而被选择性地锁定和解锁。
-
公开(公告)号：US4841978A
公开(公告)日：1989-06-27
申请号：US685371
申请日：1984-12-24
CPC分类号： G10K11/355 , G01N2291/02827
摘要： An ultrasonic scanning device includes a stator and a rotor pivotably mounted on the stator for oscillation around the axis of rotation. The rotor (or stator) has two elastic bumper stops spaced from the axis of rotation and spaced from each other. An elastic bumper is attached to the stator (or rotor) and arranged between the bumper stops. The resulting scanning device conserves energy by converting kinetic energy in one direction to potential energy, and then by converting the potential energy back into kinetic energy in the opposite direction.
摘要翻译： 超声波扫描装置包括定子和转子可枢转地安装在定子上以围绕旋转轴线摆动的转子。 转子（或定子）具有与旋转轴线间隔开并且彼此间隔开的两个弹性保险杠止动件。 一个弹性缓冲器连接到定子（或转子）上，并布置在保险杠挡块之间。 所得到的扫描装置通过将一个方向的动能转换为势能，然后通过将势能转换回相反方向的动能来节省能量。
-
公开(公告)号：US4712778A
公开(公告)日：1987-12-15
申请号：US332993
申请日：1981-12-21
申请人： Wyatt S. Newman
发明人： Wyatt S. Newman
CPC分类号： F16F1/125
摘要： A helically-threaded spring holder on which a helically wound spring is mounted has a groove formed in one side of the thread at the end where the spring engages the spring holder. The groove relieves the portion of the side in which it is formed from restricting the spring against axial movement during deflection of the spring. The circumferential length of this groove is chosen to establish the number of spring coils which can be deflected without contacting the side of the thread. The end of the thread is also made rigid to prevent flexing thereof during maximal elongation of the spring.
摘要翻译： 安装有螺旋缠绕的弹簧的螺旋形螺纹弹簧保持器在弹簧与弹簧保持器接合的端部处具有形成在螺纹的一侧中的凹槽。 通过限制弹簧抵抗弹簧偏转期间的轴向移动，凹槽能够缓解其形成的一侧的部分。 选择该槽的圆周长度以建立可以在不接触螺纹的一侧的情况下偏转的弹簧线圈的数量。 螺纹的端部也是刚性的，以防止在弹簧的最大伸长期间的挠曲。
-
公开(公告)号：US07410471B1
公开(公告)日：2008-08-12
申请号：US10396012
申请日：2003-03-25
IPC分类号： A61F5/00
CPC分类号： A61F5/0125 , A61B5/1038 , A61B5/4528 , A61B5/6829 , A61B2562/0247 , A61B2562/046 , A61F2005/0162 , A61F2005/0169 , A61F2005/0188
摘要： A selectively lockable orthotic joint is provided in which a pressure sensor having a thin layer of variably resistive material generates a control signal when an actuation force is applied to the sensor. An electronic circuit operatively connects the sensor to a mechanical orthotic joint that can be selectively locked and unlocked in response to the control signal. The control signal may be uniform in strength selectively locking and unlocking the joint. The control signal may also be variable in strength wherein the orthotic joint provides increasing or decreasing resistance to motion responsive to a corresponding increase or decrease in control signal strength. The device is suitable for use as a foot/ankle/leg orthotic having a foot sensor which selectively operates a mechanical knee joint.
摘要翻译： 提供了一种可选择性地锁定的矫正关节，其中具有可变电阻材料薄层的压力传感器在将致动力施加到传感器时产生控制信号。 电子电路将传感器可操作地连接到可以响应于控制信号被选择性地锁定和解锁的机械矫正接头。 控制信号的强度可以选择性地锁定和解锁接头。 控制信号也可以是强度可变的，其中矫正关节响应于控制信号强度的相应增加或减小而提供对运动的增加或减小的阻力。 该装置适合用作具有选择性地操作机械膝关节的足部传感器的足部/脚踝/腿部矫形器。
-
公开(公告)号：US06517503B1
公开(公告)日：2003-02-11
申请号：US09398332
申请日：1999-09-17
申请人： Jonathan M. Naft , Wyatt S. Newman
发明人： Jonathan M. Naft , Wyatt S. Newman
IPC分类号： A61F500
CPC分类号： A61F5/0125 , A61F2005/0162
摘要： A selectively lockable orthotic joint is provided that in one embodiment includes at least one pressure sensor and an electronic circuit associated with the pressure sensor for generating or providing a control signal indicative of pressure, force or other value sensed by the sensor. A mechanical orthotic joint is provided that has a locking mechanism that can be selectively locked and unlocked in response to the control signal.
-
公开(公告)号：US6024003A
公开(公告)日：2000-02-15
申请号：US136537
申请日：1998-08-19
CPC分类号： B23K26/0853 , B23K26/0876 , B26D7/1863 , B26F1/3813 , B29C67/0074 , B32B38/18 , B26F2210/08 , B32B2038/1891 , Y10T83/0453 , Y10T83/207 , Y10T83/2185
摘要： An apparatus for forming an integral three-dimensional object from a plurality of individual laminations includes a cutting surface on which each of the laminations is individually deposited. A concentrated energy source cuts each of the plurality of laminations into a shape required for assembly of the laminations into the integral three-dimensional object. A transfer mechanism removes each of the cut laminations from the cutting surface and stacks each of the cut laminations on an assembly surface. The transfer mechanism includes a gripper face having a peripheral portion and a central portion. A mask is positioned on the gripper face. The mask has an apertured central portion corresponding to the cut lamination. A source of suction communicates with the gripper face and a valve mechanism selectively draws a suction on the gripper face peripheral portion, the gripper face central portion, both or neither. An electronic control device is provided for controlling the operation of the cutting surface, the concentrated energy cutter and the transfer mechanism.
摘要翻译： 用于从多个单独的叠片形成整体的三维物体的装置包括切割表面，每个叠片分别沉积在该切割表面上。 集中的能量源将多个叠片中的每一个切割成将叠片组装到一体的三维物体中所需的形状。 传送机构从切割表面去除每个切割的叠片并将每个切割的叠片堆叠在组装表面上。 传送机构包括具有周边部分和中心部分的夹持器面。 面罩位于夹具面上。 掩模具有对应于切割层压的有孔中心部分。 抽吸源与夹持器面连通，并且阀机构选择性地在夹持器表面周边部分，夹持器面中心部分两者或两者上抽吸。 提供一种电子控制装置，用于控制切割表面，集中能量切割器和传送机构的操作。
-
公开(公告)号：US5779833A
公开(公告)日：1998-07-14
申请号：US631378
申请日：1996-04-12
CPC分类号： B29C67/0074 , A61F2/30942 , B28B1/001 , B28B1/002 , B28B11/12 , B29C67/0092 , B29C67/04 , B32B18/00 , B32B38/185 , C04B35/111 , C04B35/632 , C04B35/6455 , A61F2002/30952 , A61F2002/30968 , A61F2002/30971 , A61F2240/001 , A61F2310/00203 , A61F2310/00239 , A61F2310/00317 , B22F3/1055 , B32B2309/70 , B32B2315/02 , C04B2235/3427 , C04B2235/6025 , C04B2235/6026 , C04B2235/604 , C04B2235/612 , C04B2235/658 , C04B2235/94 , C04B2237/343 , C04B2237/348 , C04B2237/368 , C04B2237/56 , C04B2237/568 , C04B2237/62 , Y02P10/295 , Y10T156/1074
摘要： A method for manufacturing an integral three dimensional object from laminations includes the steps of fabricating a plurality of first sheets of a first material composition, cutting each of the first sheets to form a contoured layer representing a cross-section of the three dimensional object and to form a waste material and discarding the waste material. The contoured layers are stacked in a desired sequence to form a stack of contoured layers which are then laminated. Subsequently, the contoured layers of the stack are secured to each other to form the integral three dimensional object. This method works particularly well with ceramic material sheets. If desired, a second type of sheet made of a fugitive material can also be cut to form a contoured layer representing a void in a cross-section of the three dimensional object. The contoured layers of the second sheets are then stacked along with the contoured layers of the first sheets to form the object. The laminated stack of contoured layers is then sintered. During processing, fugitive material can be removed, leaving voids in the three dimensional object.
摘要翻译： 一种用于从叠片制造整体三维物体的方法包括以下步骤：制造多个第一材料组合物的第一片材，切割每个第一片材以形成表示三维物体的横截面的轮廓层， 形成废料并丢弃废料。 轮廓层以期望的顺序堆叠以形成叠层的轮廓层，然后层压。 随后，堆叠的轮廓层彼此固定以形成整体的三维物体。 该方法与陶瓷材料片特别适用。 如果需要，还可以切割由缓冲材料制成的第二类型的片材，以形成表示三维物体的横截面中的空隙的轮廓层。 然后将第二片的轮廓层与第一片的轮廓层一起堆叠以形成该物体。 然后将成型层的层叠叠层烧结。 在处理过程中，可以去除短暂的物质，在三维物体中留下空隙。
-
公开(公告)号：US4542311A
公开(公告)日：1985-09-17
申请号：US565952
申请日：1983-12-27
摘要： A linear stroke reciprocating electric machine provides both high efficiency and linearity. A cylindrical air gap is defined between outer and inner gap defining surfaces, at least one of which has a length equal to the length of an electric coil plus the length of the stroke. A flux focusing ring, having a length in the direction of movement equal to the length of the coil in the same direction, concentrates substantially all the field flux and all of the electric coil turns to interact over the entire stroke.
摘要翻译： 线性行程往复电机具有高效率和线性度。 在外部和内部间隙限定表面之间限定圆柱形空气间隙，其中至少一个长度等于电线圈的长度加上行程的长度。 在相同方向上具有等于线圈长度的移动方向上的长度的通量聚焦环基本上集中了所有的场通量，并且所有的电线圈匝在整个行程上相互作用。
-
公开(公告)号：US5883357A
公开(公告)日：1999-03-16
申请号：US622551
申请日：1996-03-25
CPC分类号： B23K26/0853 , B23K26/0876 , B26D7/1863 , B26F1/3813 , B29C67/0074 , B32B38/18 , B26F2210/08 , B32B2038/1891 , Y10T83/0453 , Y10T83/207 , Y10T83/2185
摘要： An apparatus for forming an integral three-dimensional object from a plurality of individual laminations includes a cutting surface on which each of the laminations is individually deposited. A concentrated energy source cuts each of the plurality of laminations into a shape required for assembly of the laminations into the integral three-dimensional object. A transfer mechanism removes each of the cut laminations from the cutting surface and stacks each of the cut laminations on an assembly surface. The transfer mechanism includes a gripper face having a peripheral portion and a central portion. A mask is positioned on the gripper face. The mask has an apertured central portion corresponding to the cut lamination. A source of suction communicates with the gripper face and a valve mechanism selectively draws a suction on the gripper face peripheral portion, the gripper face central portion, both or neither. An electronic control device is provided for controlling the operation of the cutting surface, the concentrated energy cutter and the transfer mechanism.
-
-
-
-
-
-
-
-
-
搜索结果
12 条记录 (耗时 0.026 秒)
