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公开(公告)号：US6051909A
公开(公告)日：2000-04-18
申请号：US997653
申请日：1997-12-23
申请人： Satoshi Shinke , Yasuhiro Okamoto , Ryuichi Yoshida , Haruyuki Nakano , Junji Fujita , Yoshitaka Sugimoto
发明人： Satoshi Shinke , Yasuhiro Okamoto , Ryuichi Yoshida , Haruyuki Nakano , Junji Fujita , Yoshitaka Sugimoto
CPC分类号： H02N2/025
摘要： A drive device using an electromechanical transducer having inconsiderable loss of drive energy and excellent drive efficiency even with variation in load in which an elastic member is arranged between a driven member frictionally coupled to a drive member and a frictional member fitted to an opening of the driven member whereby drive force is transmitted from the drive member to the driven member with no loss of energy, a frictional force between the drive member and the driven member is periodically changed, an average frictional force is increased when a shift between a phase of variation in a drive velocity and a phase of variation in the frictional force is null, when the shift between the phases is 180.degree., the average frictional force is adjusted to decrease whereby the drive efficiency can be promoted, and when the device is stopped, the drive device can be protected against unintentional external force bringing the drive member and the driven member into fixing contact with each other by an electromechanical transducer.
摘要翻译： 一种使用机电传感器的驱动装置，其具有不可忽视的驱动能量损失和优异的驱动效率，即使在负载变化的情况下，弹性构件布置在摩擦联接到驱动构件的从动构件和装配到被驱动的开口的摩擦构件之间 构件，其中驱动力从驱动构件传递到从动构件而不会损失能量，驱动构件和从动构件之间的摩擦力周期性地改变，当变化相位之间的变化时，平均摩擦力增加 驱动速度和摩擦力变化的相位为零，当相位之间的偏移为180°时，平均摩擦力被调节为减小，从而可以促进驱动效率，并且当装置停止时，驱动 可以保护装置免受意外的外力，使驱动构件和从动构件与e固定接触 ach另一个由机电换能器。
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2.发明授权
公开(公告)号：US6147434A
公开(公告)日：2000-11-14
申请号：US59147
申请日：1998-04-13
摘要： A drive device using a piezoelectric transducer for correcting a shift of a position of a drive system based on a change in an environmental state such as environmental temperature, in which a drive member coupled to the piezoelectric transducer is driven by causing displacements having different speeds by applying drive pulses of saw tooth waves to the piezoelectric transducer thereby moving a slider block frictionally coupled to the drive member, an amount of a shift of a position of the slider block based on the change in the environmental temperature is previously stored to a memory, when a change in temperature is detected by a temperature sensor, the amount of the shift of the position of the slider block is calculated in accordance with the change in temperature and the shift of the position of the slider block is corrected by driving the piezoelectric transducer in a direction of correcting the shift amount by driving a fine adjustment circuit.
摘要翻译： 一种使用压电传感器的驱动装置，其基于环境温度的变化来校正驱动系统的位置的偏移，其中通过使具有不同速度的位移由与压电换能器连接的驱动构件 将锯齿波的驱动脉冲施加到压电换能器，从而移动摩擦联接到驱动构件的滑动块，基于环境温度的变化将滑动块的位置的偏移量预先存储到存储器中， 当通过温度传感器检测到温度变化时，根据温度的变化来计算滑块的位置的偏移量，并且通过驱动压电换能器来校正滑动块的位置的移动 在通过驱动微调电路来校正移动量的方向上。
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3.发明授权Drive device using electromechanical transducer and an apparatus employing the drive device 失效使用机电换能器的驱动装置和采用驱动装置的装置
公开(公告)号：US5969464A
公开(公告)日：1999-10-19
申请号：US840825
申请日：1997-04-16
摘要： A drive device which repeats charging and discharging at different velocities by applying drive pulses to a piezoelectric transducer, causes vibrations with different velocities in the piezoelectric transducer to cause contraction and expansion displacements in a driving member fixedly coupled with the piezoelectric transducer for moving a member frictionally coupled to the driving member. In order to provide stable driving force, stable driving velocity and precise movement, a piezoelectric transducer constituted by stacking a plurality of unit elements is divided into a plurality of blocks having different numbers of lamination layers for driving. A change in impedance by the division is compensated by a compensation circuit, or a plurality of driving circuits corresponding to the impedance are provided and a block and a driving circuit of the piezoelectric transducer are selected in accordance with the driving velocity and moving distance for driving.
摘要翻译： 通过向压电换能器施加驱动脉冲来重复不同速度的充电和放电的驱动装置在压电换能器中引起不同速度的振动，从而在与压电换能器固定耦合的驱动构件中引起收缩和膨胀位移，以摩擦地移动构件 耦合到驱动构件。 为了提供稳定的驱动力，稳定的驱动速度和精确的运动，将由多个单元组成的压电换能器分成多个具有不同层压层的驱动块。 通过补偿电路来补偿由除法产生的阻抗的变化，或者提供与阻抗相对应的多个驱动电路，并根据驱动速度和驱动移动距离来选择压电换能器的块和驱动电路 。
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公开(公告)号：US6153963A
公开(公告)日：2000-11-28
申请号：US189077
申请日：1998-11-09
CPC分类号： H02N2/025
摘要： A drive unit 20, comprising a moving body 24 and a friction drive member 26 fixedly attached at each end of a piezoelectric element 22 in the layer direction, is disposed between a pair of fixed friction members 14 having a plurality of divided contact parts 15 divided by notches 14s formed at equal spacing along the movement path of the friction drive member 26. The divided contact parts 15 are arrayed so as to be slightly inserted into the movement path of the friction drive member 26, and become elastically deformed when in contact with the friction drive member 26 so as to exert a force on friction drive member 26 in reaction thereto. This exerted force remains uniform regardless of the relative position of the friction drive member 26.
摘要翻译： 驱动单元20包括在层压方向上固定地安装在压电元件22的每一端的移动体24和摩擦驱动构件26，所述驱动单元被布置在具有多个分开的接触部分15的一对固定摩擦件14之间 通过沿着摩擦驱动构件26的移动路径以相等间隔形成的凹口14s。分开的接触部分15被排列成稍微插入到摩擦驱动构件26的移动路径中，并且当与摩擦驱动构件26接触时变得弹性变形 摩擦驱动构件26，以便在摩擦驱动构件26上产生作用力。 无论摩擦驱动构件26的相对位置如何，该施加的力保持均匀。
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公开(公告)号：US06727635B2
公开(公告)日：2004-04-27
申请号：US09948699
申请日：2001-09-10
IPC分类号： H01L4108
摘要： A smooth impact drive mechanism utilizing an electromechanical conversion element, in which a preheating voltage to preheat the electromechanical conversion element is impressed thereto before the impression of a drive voltage to the electromechanical conversion element, in order to realize stable drive characteristics by reducing fluctuation in the speed of the moving unit. In addition, drive parameters are changed in accordance with the temperature of the electromechanical conversion element. Furthermore, drive parameters are changed in accordance with the moving speed of the moving unit.
摘要翻译： 一种利用机电转换元件的平滑冲击驱动机构，其中在机电转换元件的驱动电压的压印之前，将机电转换元件预热的预热电压施加到机电转换元件，以便通过减小机电转换元件的波动来实现稳定的驱动特性 移动单元的速度。 此外，驱动参数根据机电转换元件的温度而改变。 此外，驱动参数根据移动单元的移动速度而改变。
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6.发明授权Actuator using electromechanical transducer capable of being used in high temperature and high humidity environment and apparatus having the same 失效使用能够在高温高湿环境下使用的机电换能器的致动器和具有该致动器的装置公开(公告)号：US06211602B1
公开(公告)日：2001-04-03
申请号：US09103309
申请日：1998-06-23
IPC分类号： H02N200
CPC分类号： H01L41/0533 , H02N2/025
摘要： An actuator using an electromechanical transducer capable of maintaining stable driving function even under a severe environment of high temperature and/or high humidity, or the like, and an apparatus mounted with the actuator. The actuator are disclosed is constituted to move a slider block frictionally coupled to a drive shaft in a predetermined direction by reciprocating oscillation having different speeds of the drive shaft driven by elongation and contraction displacements of a piezoelectric element and the piezoelectric element, a portion where the piezoelectric element is coupled to the drive shaft and a portion where the piezoelectric element is coupled to a frame is sealed by silicone resin, fluorinated resin or the like to thereby protect them from the high temperature and/or high humidity environment.
摘要翻译： 即使在高温和/或高湿度恶劣环境等下也能够保持稳定的驱动功能的机电换能器的致动器以及安装有致动器的装置。 公开的致动器构造成通过由压电元件和压电元件的伸长和收缩位移驱动的驱动轴的不同速度的往复振动来移动在预定方向上摩擦地联接到驱动轴的滑动块，其中 压电元件耦合到驱动轴，并且压电元件联接到框架的部分被硅树脂，氟化树脂等密封，从而保护它们免受高温和/或高湿度环境的影响。
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公开(公告)号：US5994819A
公开(公告)日：1999-11-30
申请号：US87329
申请日：1998-05-29
摘要： A driving apparatus having an electromechanical transducer which extends and contracts; a first member connected to one end of the electromechanical transducer; a driving frictional member which is formed of a ceramic material and is connected to the other end of the electromechanical transducer; and a second member frictionally coupled with the driving frictional member, whereby either one of the first or second object is fixed and the electromechanical transducer is made to extend and contract, thereby driving in a specified direction the member which is either the first or second member and is not fixed.
摘要翻译： 具有延伸和收缩的机电换能器的驱动装置; 连接到所述机电换能器的一端的第一构件; 驱动摩擦构件，其由陶瓷材料形成并且连接到机电换能器的另一端; 以及与所述驱动摩擦构件摩擦联接的第二构件，由此所述第一或第二物体中的任一个被固定，并且所述机电换能器被制造成延伸和收缩，从而沿指定方向驱动作为所述第一或第二构件的构件 并不固定。
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公开(公告)号：US08026688B2
公开(公告)日：2011-09-27
申请号：US12296321
申请日：2007-04-10
IPC分类号： H02N2/02
摘要： In order to provide a driving device that is capable of eliminating sticking of a movable member due to nonuse, the driving device includes a drive shaft that reciprocates in axial directions with expansion and contraction of an electromechanical transducer element, a movable member that frictionally engages with the drive shaft, and a drive circuit that inputs drive voltage into the electromechanical transducer element, the drive circuit outputting drive operation pattern voltage having a frequency (fd1′) lower than a resonance frequency (fr) of the electromechanical transducer element and lower than a frequency (fd1) that maximizes moving velocity of the movable member and sticking elimination pattern voltage having a frequency lower than the frequency (fd1′) of the drive operation pattern voltage and in vicinity of a frequency (fd2) that maximizes thrust acting on the movable member.
摘要翻译： 为了提供一种驱动装置，其能够消除由于不使用而引起的可动部件的粘着，驱动装置包括：驱动轴，该驱动轴在机电换能器元件的膨胀和收缩下沿轴向往复运动，可动部件与 驱动轴和驱动电路，其将驱动电压输入到机电换能器元件中，所述驱动电路输出具有低于机电换能器元件的谐振频率（fr）的频率（fd1'）的驱动操作模式电压，并且低于 频率（fd1），其使可动构件的移动速度最大化，并且具有低于驱动操作模式电压的频率（fd1'）的频率的附着消除图案电压，并且使得作用在可动件上的推力最大化的频率（fd2）附近 会员。
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9.发明申请VIBRATION-TYPE DRIVE APPARATUS, AND CONTROL METHOD FOR VIBRATION-TYPE DRIVE APPARATUS 审中-公开振动式驱动装置及振动式驱动装置的控制方法公开(公告)号：US20120200240A1
公开(公告)日：2012-08-09
申请号：US13502192
申请日：2010-10-06
申请人： Ryuichi Yoshida , Satoshi Shinke
发明人： Ryuichi Yoshida , Satoshi Shinke
IPC分类号： H02N2/06
摘要： A drive apparatus includes: an electromechanical transducer element wherein mechanical displacement will occur when a voltage is applied thereto, a drive member that is moved by the electromechanical transducer element, a moving member that engages with the drive member so as to be able to make a slipping displacement relative to the same, regulating members for limiting the movement of the moving member by coming into contact with the moving member, a drive circuit for applying a cyclical drive voltage to the electromechanical transducer element, a detecting circuit for detecting the impedance of the electromechanical transducer element, and an evaluating means for determining that the moving member is in contact with one of the regulating members when the value detected by the detecting circuit is not less than a prescribed value.
摘要翻译： 驱动装置包括：机电换能器元件，其中当施加电压时将发生机械位移，由机电换能器元件移动的驱动构件，与驱动构件接合以便能够形成 相对于其移动的滑动位移，用于通过与移动构件接触来限制移动构件的运动的调节构件，用于向机电换能器元件施加循环驱动电压的驱动电路，用于检测电动机构的阻抗的检测电路 机电换能器元件，以及评估装置，用于当检测电路检测到的值不小于规定值时，确定移动部件与其中一个限制部件接触。
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公开(公告)号：US20090160372A1
公开(公告)日：2009-06-25
申请号：US12296321
申请日：2007-04-10
IPC分类号： H02K41/035
摘要： In order to provide a driving device that is capable of eliminating sticking of a movable member due to nonuse, the driving device includes a drive shaft that reciprocates in axial directions with expansion and contraction of an electromechanical transducer element, a movable member that frictionally engages with the drive shaft, and a drive circuit that inputs drive voltage into the electromechanical transducer element, the drive circuit outputting drive operation pattern voltage having a frequency (fd1′) lower than a resonance frequency (fr) of the electromechanical transducer element and lower than a frequency (fd1) that maximizes moving velocity of the movable member and sticking elimination pattern voltage having a frequency lower than the frequency (fd1′) of the drive operation pattern voltage and in vicinity of a frequency (fd2) that maximizes thrust acting on the movable member.
摘要翻译： 为了提供一种驱动装置，其能够消除由于不使用而引起的可动部件的粘着，驱动装置包括：驱动轴，该驱动轴在机电换能器元件的膨胀和收缩下沿轴向往复运动，可动部件与 驱动轴和驱动电路，其将驱动电压输入到机电换能器元件中，所述驱动电路输出具有低于机电换能器元件的谐振频率（fr）的频率（fd1'）的驱动操作模式电压，并且低于 频率（fd1），其使可动构件的移动速度最大化，并且具有低于驱动操作模式电压的频率（fd1'）的频率的附着消除图案电压，并且使得作用在可动件上的推力最大化的频率（fd2）附近 会员。
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