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    • 66. 发明授权
    • MR invasive device and method for active MR guidance of invasive devices with target navigation
    • 用于目标导航的侵入性装置的主动MR引导的MR侵入性装置和方法
    • US07835780B1
    • 2010-11-16
    • US10240219
    • 2001-03-30
    • Jeffrey L. DuerkQiang ZhangMichael WendtYiu-Cho ChungJonathan S. LewinElmar M. Merkle
    • Jeffrey L. DuerkQiang ZhangMichael WendtYiu-Cho ChungJonathan S. LewinElmar M. Merkle
    • A61B5/05
    • G01R33/287G01R33/34084
    • An invasive device having an inductive coupling element. One embodiment of the invasive device includes a plurality of receive coils inductively coupled to a communicating coil. The receive coils are selectively tuned and detuned to receive MR signals for providing coordinate information used for device tracking. A second embodiment of the invasive device includes a receive coil having a plurality of winding elements separated from each other by different distances. A method of rapidly acquiring both the invasive device orientation and position information to dynamically adapt MR scan planes to continuously follow the invasive device relative to a target is provided. The target-navigation technique automatically defines the MR scan plane and a time domain multiplexing technique is applied for MR imaging and device tracking. Using these techniques, the acquired MR images shows both the invasive device and the target tissue.
    • 一种具有感应耦合元件的侵入性装置。 侵入性装置的一个实施例包括感应耦合到通信线圈的多个接收线圈。 接收线圈被选择性地调谐和失谐以接收用于提供用于设备跟踪的坐标信息的MR信号。 侵入性装置的第二实施例包括具有彼此以不同距离分开的多个绕组元件的接收线圈。 提供了一种快速获取入侵设备取向和位置信息以便动态地适应MR扫描平面以相对于目标连续跟随侵入性设备的方法。 目标导航技术自动定义MR扫描平面,并应用时域复用技术进行MR成像和设备跟踪。 使用这些技术,获得的MR图像显示侵入性装置和目标组织。
    • 67. 发明申请
    • POWER TOOL WITH IMPACT MECHANISM
    • 具有冲击力的电动工具
    • US20100276168A1
    • 2010-11-04
    • US12764714
    • 2010-04-21
    • Sankarshan MurthyQiang ZhangDaniel PuzioJames T. Rill
    • Sankarshan MurthyQiang ZhangDaniel PuzioJames T. Rill
    • B25D11/04B25B21/02B23P11/00
    • B25B21/023Y10T29/49963
    • A power tool with a housing, a motor, a transmission, a spindle and an impact mechanism. The motor has an output shaft that drives the transmission. The transmission has a plurality of planet gears, a planet carrier journally supporting the planet gears for rotation about an axis, and a ring gear that is in meshing engagement with the planet gears. The impact mechanism has a plurality of anvil lugs, an impactor and an impactor spring. The anvil lugs are coupled to the ring gear and are not engaged by the planet gears. The impactor is mounted to pivot about the spindle and has a plurality of hammer lugs. The impactor spring biases the impactor toward the ring gear to cause the hammer lugs to engage the anvil lugs. A power tool having an impact mechanism with an external adjusting member that can be moved to vary a trip torque of the impact mechanism is also provided.
    • 具有外壳,电机,变速箱,主轴和冲击机构的电动工具。 电机具有驱动变速器的输出轴。 变速器具有多个行星齿轮,行星架支撑行星齿轮以围绕轴线旋转,以及与行星齿轮啮合的环形齿轮。 冲击机构具有多个砧座,冲击器和冲击弹簧。 砧座与环形齿轮联接,并不与行星齿轮啮合。 冲击器被安装成围绕主轴枢转并且具有多个锤片。 冲击器弹簧将冲击器偏压到环形齿轮,以使锤片接触砧座。 还提供一种具有冲击机构的电动工具,其具有能够移动以改变冲击机构的跳闸扭矩的外部调节构件。
    • 69. 发明申请
    • MULTI-SPEED POWER TOOL TRANSMISSION WITH ALTERNATIVE RING GEAR CONFIGURATION
    • 具有替代环形齿轮配置的多速电动工具传动
    • US20100163261A1
    • 2010-07-01
    • US12610762
    • 2009-11-02
    • David C. TomaykoQiang ZhangMark R. PoetziStephen A. Debellius
    • David C. TomaykoQiang ZhangMark R. PoetziStephen A. Debellius
    • B23B45/02B23Q5/10B25F5/00
    • B25F5/001B23B45/008
    • A power tool with a housing, a multi-speed transmission and a switch mechanism. The switch mechanism has an actuator, a rail, a switch and first and second springs. The actuator is movable along a longitudinal axis of the transmission between a plurality of positions and is engaged to one or more members of the transmission at each of the plurality of actuator positions such that the transmission operates in a corresponding one of a plurality of different overall speed reduction ratios. The actuator is non-rotatably but axially slidably engaged to the housing. The rail is fixedly coupled to the actuator and is received through the switch such that the switch is mounted on the rail for sliding movement thereon. The first spring is disposed between the actuator and the switch and biases the switch away from the actuator. The second spring is disposed between the switch and an end of the rail opposite the actuator and biases biasing the switch away from the end of the rail.
    • 具有外壳,多速传动和开关机构的电动工具。 开关机构具有致动器,导轨,开关以及第一和第二弹簧。 致动器可在多个位置之间沿着变速器的纵向轴线移动,并且在多个致动器位置中的每一个处接合到变速器的一个或多个构件,使得变速器以多个不同总体的对应的一个运行 减速比。 致动器不可旋转但轴向可滑动地接合到壳体。 轨道固定地联接到致动器并且通过开关被接收,使得开关安装在轨道上以在其上滑动。 第一弹簧设置在致动器和开关之间,并将开关偏离致动器。 第二弹簧设置在开关和与致动器相对的导轨的端部之间,并偏压偏压开关远离导轨的端部。
    • 70. 发明授权
    • Cooling fan
    • 冷风扇
    • US07745967B2
    • 2010-06-29
    • US11959280
    • 2007-12-18
    • Qiang ZhangZhi-Ya YangWun-Chang ShihYi-Chyng Fang
    • Qiang ZhangZhi-Ya YangWun-Chang ShihYi-Chyng Fang
    • H02K5/10H02K5/16
    • H02K5/1675F16C2370/12H02K7/085
    • A cooling fan includes a fan housing (10) having a central tube (102) extending upwardly therefrom, a bearing (40) received in the central tube, a stator (20) mounted around the central tube, a rotor (30), and a cover (50). The bearing defines a bearing hole (47) therein. The rotor includes a hub (32), a plurality of blades (34) extending outwardly from the hub, and a shaft (36) extending downwardly from the hub into the bearing hole of the bearing. The cover is mounted around the shaft and arranged on the bearing to seal a top end of the bearing. The cover is made of powders by sintering and thus has a plurality of pores to generate capillary force to absorb lubricant oil leaking out of the bearing.
    • 冷却风扇包括具有从其向上延伸的中心管(102)的风扇壳体(10),容纳在中心管中的轴承(40),围绕中心管安装的定子(20),转子(30),以及 盖(50)。 该轴承在其中限定一个轴承孔(47)。 转子包括轮毂(32),从轮毂向外延伸的多个叶片(34)和从轮毂向下延伸到轴承的轴承孔的轴(36)。 盖安装在轴上并布置在轴承上以密封轴承的顶端。 盖通过烧结由粉末制成,因此具有多个孔以产生毛细管力以吸收从轴承泄漏的润滑油。