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公开(公告)号：US5213879A
公开(公告)日：1993-05-25
申请号：US871309
申请日：1992-04-20
申请人： Takahiro Niwa , Yasuo Shimizu
发明人： Takahiro Niwa , Yasuo Shimizu
CPC分类号： G10K11/168 , B32B7/02 , F16F9/306 , Y10T428/2495 , Y10T428/31696 , Y10T428/31826 , Y10T428/3183
摘要： A plurality of viscoelastic layers in the form of rubber films are sandwiched between two constraint plates in the form of iron plates via polyamide adhesive films to form an alternatingly laminated structure. Materials of the respective elements are selected so that their degrees of elasticity satisfy the relationship: constraint plate>adhesive layer>viscoelastic layer. The thickness of each rubber film is limited below a predetermined value to maintain its thermal and pressure resistance, and the rubber films are laminated up to a total thickness required for obtain a desired vibration damping property. The vibration damper, thus obtained, is excellent in vibration property, thermal and pressure resistance, and resistance against oils and solvents, and effective even under a severe environment.
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2.发明授权Vibration damping materials and soundproofing structures using such damping materials 失效使用这种阻尼材料的振动阻尼材料和防震结构
公开(公告)号：US5063098A
公开(公告)日：1991-11-05
申请号：US326611
申请日：1989-03-21
申请人： Takahiro Niwa , Yasuo Shimizu
发明人： Takahiro Niwa , Yasuo Shimizu
CPC分类号： E04B9/045 , B32B15/06 , E04B1/86 , F16F9/306 , E04B2001/8461 , Y10T428/239 , Y10T428/3154 , Y10T428/31681 , Y10T428/31692 , Y10T428/31696 , Y10T428/31699 , Y10T428/31826
摘要： A vibration damper includes two materials, each being formed of a metal sheet having a rubber- or synthetic resin-base viscoelastic polymeric layer or layers formed on one or both sides, which are arranged in opposition to each other through said viscoelastic layers and bonded together with the use of a hot-melt-adhesive synthetic resin layer having a high melting point. Alternatively, one of said materials is arranged in opposition to another metal sheet through said vicoelastic layer or layers and bonded thereto with the use of said hot-melt-adhesive synthetic resin layer. A soundproofing structure using such a vibration damper is also provided.
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3.发明授权公开(公告)号：US09093060B2
公开(公告)日：2015-07-28
申请号：US13982110
申请日：2012-01-26
CPC分类号： G10K15/00 , G10K11/168 , Y10T156/1002
摘要： The present invention relates to a sound-proof material containing a first sound-absorbing material disposed facing a sound source, a first soft sound-insulating layer laminated on a face of the first sound-absorbing material opposite to the sound source and having an air permeability measured in accordance with JIS L1018 of 10 cc/cm2·sec or lower, a second sound-absorbing material laminated on the first soft sound-insulating layer, and a second soft sound-insulating layer laminated on the second sound-absorbing material and having an air permeability measured in accordance with JIS L1018 of 10 cc/cm2·sec or lower and a Young's modulus measured in accordance with JIS K7127 greater than or equal to five times that of the first soft sound-insulating layer, in which at least the second soft sound-insulating layer is partially or entirely bonded to the second sound-absorbing material.
摘要翻译： 本发明涉及一种隔音材料，其包含面向声源设置的第一吸声材料，第一软隔音层，层压在与声源相对的第一吸音材料的表面上并具有空气 根据JIS L1018测量的渗透率为10cc / cm 2·sec或更低，叠层在第一软隔音层上的第二吸声材料和层压在第二吸声材料上的第二软隔音层和 根据JIS L1018测量的透气度为10cc / cm 2·sec或更低，并且根据JIS K7127测量的杨氏模量大于或等于第一软隔音层的五倍，其中至少 第二软隔音层部分地或完全地结合到第二吸音材料上。
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公开(公告)号：US20090202856A1
公开(公告)日：2009-08-13
申请号：US12366153
申请日：2009-02-05
申请人： Akinao Hiraoka , Motonori Kondoh , Tadakatsu Kato , Takahiro Niwa
发明人： Akinao Hiraoka , Motonori Kondoh , Tadakatsu Kato , Takahiro Niwa
CPC分类号： B21D13/04 , B21B1/227 , Y10T428/12417
摘要： The present invention relates to a metallic molded sheet including a metallic sheet having first ridges continuously formed along a first direction and second ridges continuously formed along a second direction which is perpendicular to the first direction, in which the metallic molded sheet has cross-sectional shapes along the first direction and the second direction, each having an identical thickness and continuing sinusoidally, and the metallic molded sheet has a planar shape being a corrugated surface in which ridge lines of first waveforms along the first direction and ridge lines of second waveforms along the second direction perpendicularly intersect each other.
摘要翻译： 本发明涉及一种金属模制片，其包括具有沿着第一方向连续形成的第一脊的金属片和沿着与第一方向垂直的第二方向连续形成的第二脊，其中金属模制片具有横截面形状 沿着第一方向和第二方向，各自具有相同的厚度并且正弦连续，并且金属模制片具有波形表面的平面形状，其中沿着第一方向的第一波形的脊线和沿着第一方向的第二波形的脊线 第二方向垂直相交。
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5.发明授权公开(公告)号：US07400205B2
公开(公告)日：2008-07-15
申请号：US11542594
申请日：2006-10-04
申请人： Takahiro Niwa
发明人： Takahiro Niwa
CPC分类号： H03L7/095 , H03L7/099 , H03L2207/06
摘要： The present invention provides a frequency synthesizer capable of switching an oscillation frequency band while maintaining a lock state realized with a small-scale and low-current-consumption circuit configuration, and an oscillation control method of the frequency synthesizer. A frequency synthesizer having an oscillation control circuit capable of switching an oscillation frequency band, includes: a differential bias unit for generating, as a differential bias signal, a difference in a bias signal to the oscillation control circuit caused by variations in the oscillation frequency band; a band limit detector for detecting transition of the oscillation frequency, that exceeds a limit value of the oscillation frequency band; and a transient controller for performing control of gradually shifting an output bias signal on the differential bias unit in a transient period in which operation of the differential bias unit is switched for switching the oscillation frequency band in accordance with detection of the band limit detector.
摘要翻译： 本发明提供一种频率合成器，其能够在维持利用小规模，低电流消耗电路配置实现的锁定状态的同时切换振荡频带，以及频率合成器的振荡控制方法。 一种具有能够切换振荡频带的振荡控制电路的频率合成器，包括：差分偏置单元，用于产生由振荡频带的变化引起的对振荡控制电路的偏置信号的差分作为差分偏置信号 ; 用于检测振荡频率的转变的频带限制检测器，其超过振荡频带的极限值; 以及瞬态控制器，用于在按照带限检测器的检测切换差分偏置单元的操作用于切换振荡频带的瞬态周期中执行逐渐偏移差分偏置单元上的输出偏置信号的控制。
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6.发明授权公开(公告)号：US07085085B2
公开(公告)日：2006-08-01
申请号：US11016746
申请日：2004-12-21
申请人： Takahiro Niwa
发明人： Takahiro Niwa
IPC分类号： G11B5/09
CPC分类号： G11B20/10222 , G11B20/10009
摘要： A first delay circuit receives a sampling clock obtained by multiplying detected frequency of reference clock patterns and outputs delay clocks from first delay stages, respectively. Recording frequency of the sampling clock is not obtained using the reference clock patterns but obtained using received addresses. A disk driving apparatus obtains the number of the first delay stages to be used which correspond to one cycle of the obtained recording frequency and necessary for phase adjustment of the sampling clock, and disables not-used first delay stages. Any of the delay clocks is selected and at least one of regenerating operation to read data from a disk media and recording operation to write data thereto is executed in synchronization with the selected delay clock. Consequently, the number of delay stages to be disabled can be obtained with simple control, reducing power consumption of circuits for adjusting phases of the sampling clocks.
摘要翻译： 第一延迟电路接收通过对检测到的参考时钟模式的频率进行乘法而获得的采样时钟，并分别从第一延迟级输出延迟时钟。 使用参考时钟模式不能获得采样时钟的记录频率，而是使用接收到的地址获得。 磁盘驱动装置获得与所获得的记录频率的一个周期对应的要使用的第一延迟级的数量，并且对采样时钟的相位调整是必需的，并且禁用未使用的第一延迟级。 选择任何延迟时钟，并且与所选择的延迟时钟同步地执行从盘介质读取数据的再生操作和向其写入数据的记录操作中的至少一个。 因此，可以通过简单的控制来获得要禁用的延迟级的数量，从而降低用于调整采样时钟相位的电路的功耗。
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公开(公告)号：US07065963B2
公开(公告)日：2006-06-27
申请号：US10882230
申请日：2004-07-02
申请人： Takahiro Niwa
发明人： Takahiro Niwa
IPC分类号： F01N7/10
CPC分类号： F01N13/1811 , B60R13/0876 , F01N13/102 , F01N13/1805 , F01N2260/20 , F01N2450/24 , F16F3/04 , F16F7/00
摘要： A vibration and heat insulating board fixed so as to cover at least part of a heat source while forming a gap against the heat source surface, in order to lessen diffusion of heat from the heat source fixed in a vibration source, in which the heat source and the vibration and heat insulating board are coupled by means of a collar member having a pair of locking pieces fitted to the vibration and heat insulating board main body and bolted to a mounting part of the heat source, and ring-shaped coil members interposed between the pair of locking pieces of the collar member and the vibration and heat insulating board main body.
摘要翻译： 固定振动隔热板，以便在与热源表面形成间隙的同时覆盖热源的至少一部分，以便减少来自固定在振动源中的热源的热量扩散，其中热源 振动隔热板通过具有一对嵌合在振动隔热板主体上的螺栓固定在热源的安装部上的一对锁定片的轴环构件相连， 轴环构件的一对锁定件和振动隔热板主体。
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公开(公告)号：US06864307B2
公开(公告)日：2005-03-08
申请号：US09915568
申请日：2001-07-27
CPC分类号： C08L27/18 , C08L27/12 , C08L2205/02 , C08L2666/04
摘要： Bush 1 comprises back metal layer 2 made from a steel plate and porous sintered metal layer 4 made from copper, provided on the surface of back metal layer 2 through copper plating layer 3 and impregnated and coated with sliding material 5 within and on the surface of porous sintered metal layer 4, where sliding material 5 comprises PTFE as the main component (not less than 50 vol. % of the entire material), 3-40 vol. % of Bi particles and/or Bi alloy particles, 1-40 vol. % of injection moldable fluororesin such as PFA, etc., 0.1-20 vol. % of hard particles such a W, Al2O3, etc., and 0.1-20 vol. % of a solid lubricant such as graphite, etc. The sliding material based on PTFE as the main component is free from lead and can further improve the wear resistance, while maintaining good sliding characteristics.
摘要翻译： 衬套1包括由钢板制成的背金属层2和由铜制成的多孔烧结金属层4，其通过镀铜层3设置在背金属层2的表面上并在其表面内和表面上浸渍并涂覆有滑动材料5 多孔烧结金属层4，其中滑动材料5包含PTFE作为主要成分（不小于整个材料的50体积％），3-40体积％ ％的Bi颗粒和/或Bi合金颗粒，1-40体积％ ％的可注射成型氟树脂如PFA等，0.1-20体积％ ％的硬颗粒如W，Al 2 O 3等，和0.1-20体积％ ％的固体润滑剂如石墨等。以PTFE为主要成分的滑动材料不含铅，可以进一步提高耐磨性，同时保持良好的滑动特性。
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公开(公告)号：US5643683A
公开(公告)日：1997-07-01
申请号：US590764
申请日：1996-01-24
IPC分类号： F16C33/12 , C08J5/14 , C09D171/00 , F16C33/20 , B22F7/04
CPC分类号： F16C33/201 , C09D171/00 , F16C33/206 , Y10T428/12028 , Y10T428/12042 , Y10T428/12049 , Y10T428/12063 , Y10T428/12069 , Y10T428/12076 , Y10T428/12097
摘要： A wet type sliding apparatus in which a multilayer sliding member is used in the presence of a lubricating oil, characterized in that the multilayer sliding member is composed of (1) a backing metal layer, (2) a porous, sintered layer provided thereon and (3) a surface layer consisting essentially of polyetheretherketone formed by impregnating and coating the porous, sintered layer with a sliding resin consisting essentially of polyetheretherketone. The above sliding member has a small friction coefficient and excellent wear resistance. In particular, the sliding noise can be more effectively inhibited by adjusting the face roughness of the surface layer of the sliding member to 2 .mu.m or less.
摘要翻译： 一种在润滑油存在下使用多层滑动构件的湿式滑动装置，其特征在于，所述多层滑动构件由（1）背衬金属层，（2）设置在其上的多孔烧结层和 （3）基本上由聚醚醚酮组成的表面层，其通过用基本上由聚醚醚酮组成的滑动树脂浸渍和涂覆多孔烧结层而形成。 上述滑动构件具有小的摩擦系数和优异的耐磨性。 特别地，通过将滑动构件的表面层的表面粗糙度调整为2μm以下，可以更有效地抑制滑动噪声。
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公开(公告)号：US09149851B2
公开(公告)日：2015-10-06
申请号：US13439985
申请日：2012-04-05
申请人： Akinao Hiraoka , Motonori Kondoh , Tadakatsu Kato , Takahiro Niwa
发明人： Akinao Hiraoka , Motonori Kondoh , Tadakatsu Kato , Takahiro Niwa
CPC分类号： B21D13/04 , B21B1/227 , Y10T428/12417
摘要： The present invention relates to a metallic molded sheet including a metallic sheet having first ridges continuously formed along a first direction and second ridges continuously formed along a second direction which is perpendicular to the first direction, in which the metallic molded sheet has cross-sectional shapes along the first direction and the second direction, each having an identical thickness and continuing sinusoidally, and the metallic molded sheet has a planar shape being a corrugated surface in which ridge lines of first waveforms along the first direction and ridge lines of second waveforms along the second direction perpendicularly intersect each other.
摘要翻译： 本发明涉及一种金属模制片，其包括具有沿着第一方向连续形成的第一脊的金属片和沿着与第一方向垂直的第二方向连续形成的第二脊，其中金属模制片具有横截面形状 沿着第一方向和第二方向，各自具有相同的厚度并且正弦连续，并且金属模制片具有波形表面的平面形状，其中沿着第一方向的第一波形的脊线和沿着第一方向的第二波形的脊线 第二方向垂直相交。
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