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    • 2. 发明申请
    • Wide Range Temperature and Pressure Hydraulic Cylinder Sealing System
    • 宽范围温压液压缸密封系统
    • US20080217864A1
    • 2008-09-11
    • US11684318
    • 2007-03-09
    • Joel T. JohnsonBenjamin E. WestbrookNoriyuki MatsuiYoshiyuki AbeTakeshi WakanaMathias Burkert
    • Joel T. JohnsonBenjamin E. WestbrookNoriyuki MatsuiYoshiyuki AbeTakeshi WakanaMathias Burkert
    • F16J15/32
    • F16J15/56F16J15/002
    • A seal system for a reciprocating cylinder includes a buffer seal, a rod seal, and a wiper seal. The buffer seal includes a dynamic seal lip and a static lip extending from a hinge portion. The hinge portion of the static lip allows fluid to escape past the outer diameter of the seal when the rod is retracted thereby releasing any pressure build-up between the rod seal and buffer seal. The axial face portion of the dynamic seal lip includes axially extending notches therein. The notches prevent the buffer seal from sticking to the axial wall of the groove and provide a consistent path for the fluid to energize the annular groove between the static and dynamic lips during the extension phase which is necessary for the function of the seal. The back-up ring is an integrated part of the buffer seal, used to provide superior extrusion resistance. The rod seal includes an annular seal body having a dynamic seal lip angularly extending radially inwardly and axially from the seal body, and a static lip angularly extending radially outwardly and axially from the seal body. An axial face portion of the dynamic seal lip and the static lip each include radially extending notches therein. The notches prevent the seal from sticking to the axial walls of the groove the rod seal is installed in and provides a consistent path for the fluid to energize the annular groove created by the static and dynamic lip during the extension phase. The back-up ring is an integrated part of the rod seal, used to provide superior extrusion resistance.
    • 用于往复式气缸的密封系统包括缓冲密封件,杆密封件和擦拭器密封件。 缓冲密封件包括动态密封唇缘和从铰链部分延伸的静态唇缘。 当杆缩回时,静态唇缘的铰链部分允许流体逃离密封件的外径,从而释放杆密封件和缓冲密封件之间的任何压力积聚。 动态密封唇的轴向面部分包括其中轴向延伸的凹口。 凹口防止缓冲密封件粘附到凹槽的轴向壁上,并提供一致的路径,用于在密封功能所需的延伸阶段期间使流体在静态和动态唇缘之间激励环形凹槽。 备用环是缓冲密封件的集成部件,用于提供优异的挤出阻力。 杆密封件包括环形密封体,其具有从密封体径向向内和轴向成角度地延伸的动态密封唇,以及从密封体径向向外并且轴向地成角度地延伸的静态唇缘。 动态密封唇缘和静态唇缘的轴向面部各自包括径向延伸的凹口。 凹口防止密封件粘附到凹槽的轴向壁上,杆密封件安装在该轴向壁中,并且提供一致的路径,以使流体在延伸阶段期间由静态和动态唇缘产生的环形凹槽通电。 支撑环是杆密封件的集成部件,用于提供优异的挤压阻力。
    • 3. 发明申请
    • Rod Sealing System
    • 杆密封系统
    • US20090166984A1
    • 2009-07-02
    • US12086211
    • 2006-12-05
    • Noriyuki MatsuiManabu HiranoYoshihiro KuzumakiKuniyoshi SaitoHayato Takada
    • Noriyuki MatsuiManabu HiranoYoshihiro KuzumakiKuniyoshi SaitoHayato Takada
    • F16J15/32
    • C09K3/1021C08G18/10C08G18/44C08G2140/00C08G18/3206
    • In a rod sealing system, which comprises a buffer ring, a rod seal, and a dust seal, provided successively in this order from a fluid hydraulic side toward the outside in an annular clearance between two members in reciprocating motion, the buffer ring is made up of a thermoplastic polyurethane molding product obtained by subjecting a thermoplastic polyurethane molding product prepared by reaction of (A) a high molecular weight polycarbonatediol having a number average molecular weight Mn of 500-6,000, (B) an aromatic diisocyanate, and (C) a low molecular weight diol as a chain elongation agent in an NCO/OH ratio of 0.95-1.20, to heat treatment under conditions that a glass transition point (Tg) of hard phases becomes 170° C. or higher, preferably 170-230° C., and an endothermic peak area (ΔH) at Tg becomes 5 J/g or more, by differential scanning calorimetry. The buffer ring made up of the thermoplastic polyurethane molding product has a distinguished heat resistance capable of withstanding the service environmental temperature, particularly maximum 120° C., compression set characteristics, follow-up to eccentricity, etc.
    • 在包括缓冲环,杆密封和防尘密封的杆密封系统中,以往复运动中的两个构件之间的环形间隙从液压侧朝向外部依次提供缓冲环,制成缓冲环 (A)数均分子量Mn为500〜6000的高分子量聚碳酸酯二醇,(B)芳香族二异氰酸酯和(C)的反应制得的热塑性聚氨酯成型体, 作为NCO / OH比为0.95-1.20的链延长剂的低分子量二醇,在硬相的玻璃化转变温度(Tg)为170℃以上,优选为170〜230℃的条件下进行热处理 通过差示扫描量热法测定Tg的吸热峰面积(DeltaH)为5J / g以上。 由热塑性聚氨酯成型制品制成的缓冲环具有耐受使用环境温度,特别是最高120℃,压缩永久变形特性,偏心率等特性的耐热性。
    • 7. 发明授权
    • Memory device and memory control circuit
    • 存储器和存储器控制电路
    • US5764591A
    • 1998-06-09
    • US724475
    • 1996-10-01
    • Noriyuki MatsuiYuzo Usui
    • Noriyuki MatsuiYuzo Usui
    • G11C11/413G06F12/02G11C8/18G11C11/407G11C8/00G11C7/00
    • G11C8/18
    • A memory device having a memory element including a plurality of memory cells each designated by a row address signal and a column address signal, and a circuit for detecting a transition between the row address signal and the column address signal to thereby effect an equalize operation on the memory element. The supply of a row/column address signal including the row address signal and the column address signal to the memory element is cut off during a logical indeterminate period at the time of the transition. The row/column address signal immediately before its cutoff is held and the held signal is supplied to the memory element during the logical indeterminate period. Thus, a high-speed operation can be done by the equalize operation and the cutoff can provide the prevention of occurrence of a malfunction due to noise such as a glitch or the like.
    • 一种具有存储元件的存储器件,所述存储元件包括由行地址信号和列地址信号指定的多个存储单元,以及用于检测行地址信号和列地址信号之间的转换的电路,从而对 记忆元素。 在转换时的逻辑不确定期间,将包括行地址信号和列地址信号的行/列地址信号提供给存储元件被切断。 保持其截止之前的行/列地址信号,并且在逻辑不确定期间内将保持信号提供给存储元件。 因此,可以通过均衡操作进行高速操作,并且切断可以防止由于诸如毛刺等的噪声引起的故障的发生。
    • 10. 发明授权
    • Threshold correction circuit, integrated circuit with threshold correction function, and circuit board with threshold correction function
    • 阈值校正电路,具有阈值校正功能的集成电路和具有阈值校正功能的电路板
    • US07705646B2
    • 2010-04-27
    • US12240188
    • 2008-09-29
    • Noriyuki Matsui
    • Noriyuki Matsui
    • H03K5/01
    • H03K5/082H03K5/1252
    • In order to monitor various types of noises which are to be introduced on signals through signal lines on a circuit board and automatically adjust the thresholds for signal state discriminations to make it possible to surely make a signal state discrimination without being affected by these noises even if the amplitude of a signal is reduced for higher-speed transmission and lowered electric power, there is provided a configuration comprising a signal generation unit generating a noise monitor signal; a noise monitor signal line receiving and propagating the noise monitor signal; a noise detection unit detecting a noise which has been introduced into that noise monitor signal propagated through the noise monitor signal line and which affects a state discrimination using a threshold; and a threshold adjustment unit, if the noise detection unit detects the noise, adjusting the threshold such that the state discrimination is not affected by the noise.
    • 为了监视通过电路板上的信号线引入信号的各种噪声,并自动调整信号状态鉴别的阈值,使得有可能确定地进行信号状态判别而不受这些噪声的影响,即使 信号的振幅降低,以实现高速传输和降低电力,提供了包括产生噪声监测信号的信号产生单元的结构; 噪声监测信号线接收并传播噪声监测​​信号; 噪声检测单元,其检测已经被引入到通过噪声监视信号线传播的噪声监测信号中并且影响使用阈值的状态判别的噪声; 以及阈值调整单元,如果噪声检测单元检测到噪声,则调整阈值使得状态判别不受噪声影响。