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    • 4. 发明授权
    • Vibration isolator with diaphragm and air chamber in a side wall and
connected to an air tank
    • 隔振器,隔膜和空气室在侧壁并连接到空气罐
    • US5437438A
    • 1995-08-01
    • US353286
    • 1994-12-05
    • Kazuya TakanoHiroshi KojimaTakao Ushijima
    • Kazuya TakanoHiroshi KojimaTakao Ushijima
    • F16F13/26F16F11/00F16F9/00
    • F16F13/26F16F2230/183
    • A main liquid chamber communicates with a first auxiliary liquid chamber and a second auxiliary liquid chamber via a first limiting passage and a second limiting passage, respectively. The first and second auxiliary liquid chambers are located adjacent first and second air chambers via first and second diaphragms, respectively. As a solenoid valve is changed over, the second air chamber is made to communicate with the negative pressure of an engine or with the atmospheric pressure. The second liquid chamber is disposed in a hollow cylindrical member. When frequencies of vibrations are below a predetermined frequency, the negative pressure of the engine is transmitted to the second air chamber, causing the second diaphragm to be brought into close contact with and fixed to an inner wall of the second air chamber. As a result, a liquid passing through the first limiting passage absorbs the vibrations. When the frequencies of the vibrations become high, the first limiting passage becomes incapable of absorbing the vibrations, and the atmospheric pressure is imparted to the second air chamber. For this reason, the second diaphragm becomes deformable, so that the liquid passes through the second limiting passage to absorb the vibrations.
    • 主液体室分别经由第一限制通道和第二限制通道与第一辅助液体室和第二辅助液体室连通。 第一和第二辅助液体室分别经由第一和第二隔膜邻近第一和第二空气室。 当电磁阀被切换时,第二空气室与发动机的负压或大气压力相通。 第二液体室设置在中空圆柱形构件中。 当振动频率低于预定频率时,发动机的负压被传递到第二空气室,使得第二隔膜与第二空气室的内壁紧密接触并固定。 结果,通过第一限制通道的液体吸收振动。 当振动的频率变高时,第一限制通道变得不能吸收振动,并且大气压力被施加到第二空气室。 为此,第二隔膜变形,使得液体通过第二限制通道以吸收振动。
    • 5. 发明授权
    • Vibration damping apparatus
    • 减震装置
    • US5330164A
    • 1994-07-19
    • US126020
    • 1993-09-24
    • Kazuya TakanoHiroshi Kojima
    • Kazuya TakanoHiroshi Kojima
    • F16F13/08F16F1/387F16F13/10F16F13/26F16F13/00
    • F16F1/387F16F13/105F16F13/262B60G2204/10B60G2400/204B60G2400/38B60G2400/91B60G2500/10
    • A vibration damping apparatus which is particularly applicable to an automotive engine mount and capable of fully absorbing vibration from vibration generating sources. A sleeve is secured to the automotive engine unit, and a housing is secured to the vehicle body. Once the vibration generated by the automotive engine is transmitted to the sleeve, liquid loaded in a main liquid chamber flows to a sub liquid chamber via a plurality of restricting passages. Vibration is effectively absorbed by the transit resistance against liquid flowing through those restricting passages. Independent of these restricting passages, a cylindrical member is provided which penetrates through the housing and a partition wall block. The cylindrical member is disposed in the path of the restricting passages providing connection between the main and sub liquid chambers. A hollow rotor is rotatably provided, inside of and on the same axial line as the cylindrical member, for opening and closing the restricting passages. When low-frequency vibration is generated, only the restricting passage devoid of the hollow rotor provides connection between the main and sub liquid chambers. Conversely, when high-frequency vibration is generated, those restricting passages each containing the hollow rotor and having a large sectional area are released to provide connection between both chambers thus reliably and effectively absorbing vibrations throughout an extensive range of frequencies.
    • 一种特别适用于汽车发动机支架并能够充分吸收振动发生源的振动的减震装置。 套筒固定在汽车发动机单元上,壳体固定在车体上。 一旦汽车发动机产生的振动传递到套筒,装在主液室中的液体经由多个限制通道流到副液室。 振动被流过这些限制通道的液体的过渡阻力有效地吸收。 独立于这些限制通道,提供穿过壳体和分隔壁块的圆柱形构件。 圆柱形部件设置在限制通道的路径中,从而提供主液室和副液室之间的连接。 空心转子可旋转地设置在与圆柱形构件相同的轴线上并与之相同的轴线上,用于打开和关闭限制通道。 当产生低频振动时,只有没有中空转子的限制通道提供主液室和辅液室之间的连接。 相反,产生的高频振动时,这些限制通道各自含有中空转子和具有大的截面面积被释放,以提供在整个广泛的频率范围两个腔室从而可靠且有效地吸收振动之间的连接。
    • 6. 发明授权
    • Vibration isolation apparatus
    • 振动隔离装置
    • US5228662A
    • 1993-07-20
    • US825508
    • 1992-01-24
    • Hiroshi KojimaKazuya TakanoTakao Ushijima
    • Hiroshi KojimaKazuya TakanoTakao Ushijima
    • B60K5/12F16F13/14F16F13/30
    • F16F13/30
    • A vibration isolation apparatus comprises a first auxiliary fluid chamber communicating through a first restricted path with a main fluid chamber and a second auxiliary fluid chamber communicating through a second restricted path with the main fluid chamber. The second restricted path has electrode plates whose power supply condition is controlled by a control unit. Further, an electric viscous fluid is filled in the main fluid chamber, the first and second auxiliary fluid chambers, and the first and second restricted paths. When shake vibration is generated, the electrode plates are energized by the control unit so that none of the electric viscous fluid flows through the second restricted path. The electric viscous fluid causes a resonance of the fluid, and has flow resistance in the first restricted path to absorb the shake vibration. Idle vibration sets the first restricted path in the loading condition to prevent the electric viscous fluid from flowing through the restricted path. On the other hand, the electric viscous fluid flows through the second restricted path so that a resonance of the fluid is caused in the second restricted path to decrease the dynamic spring constant and absorb the idle vibration.
    • 隔振装置包括通过第一限制路径与主流体室连通的第一辅助流体室和通过第二限制路径与主流体室连通的第二辅助流体室。 第二限制路径具有电源板,其电源条件由控制单元控制。 此外,电流粘性流体填充在主流体室,第一和第二辅助流体室以及第一和第二限制路径中。 当振动产生时,电极板被控制单元激励,使得电粘性流体不流过第二限制路径。 电粘性流体引起流体的共振,并且在第一限制路径中具有吸收抖动振动的流动阻力。 空载振动在加载条件下设置第一个限制路径,以防止电粘性流体流过限制路径。 另一方面,电粘性流体流过第二限制路径,使得在第二限制路径中引起流体的共振以降低动态弹簧常数并吸收怠速振动。
    • 7. 发明授权
    • Elastic coupling with shaped elastic members for setting a
circumferential/axial elasticity ratio
    • 用于设定圆周/轴向弹性比的弹性联接件
    • US5700198A
    • 1997-12-23
    • US380897
    • 1995-01-30
    • Kazuya Takano
    • Kazuya Takano
    • F16D3/70F16D3/28F16D3/68F16D3/78
    • F16D3/68F16D3/28F16D3/78
    • An elastic coupling for connection between two shafts, driving and driven, to transmit power from one to the other shaft, comprising a disc having a central hole formed therein; a plurality of cylindrical members for connection to a driving shaft, disposed equidistantly from each other on a circle concentrical to the disc; and a plurality of other cylindrical members for connection to a driven shaft, disposed as regularly spaced on the circle on which the first cylindrical members are disposed, the first and second cylindrical members being laid alternately as regularly spaced from one another, the cylindrical members being surrounded at the circumference thereof each by an elastic member of rubber, adjacent ones of the elastic members being coupled to each other by means of the disc. Each of the elastic members is cut at the inner end portion thereof nearer to the center of the disc to avoid a full joining thereof to the disc, while it is exposed at the outer end portion thereof away from the disc center to also avoid a full joining thereof to the disc. Thus the elastic members are joined to the disc at the portions thereof other than their respective inner and outer portions.
    • 用于连接驱动和驱动的两个轴之间的弹性联轴器,用于将动力从一个轴传递到另一个轴,包括其中形成有中心孔的盘; 多个用于连接到驱动轴的圆柱形构件,在与盘相同的圆上彼此等距离地设置; 以及多个其它圆柱形构件,用于连接到从动轴,所述多个其它圆柱形构件被布置成规则地间隔开设置有所述第一圆柱形构件的圆上,所述第一和第二圆柱形构件彼此规则地交替布置,所述圆柱形构件 在其周围由橡胶的弹性构件包围,相邻的弹性构件通过盘彼此连接。 每个弹性构件在其更靠近盘的中心的内端部处被切割,以避免其与盘的完全接合,同时在其外端部处远离盘中心露出,同时避免完全 将其连接到盘。 因此,弹性构件在其各自的内部和外部的部分处连接到盘。