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    • 32. 发明授权
    • Valve timing control system for an internal combustion engine
    • 内燃机气门正时控制系统
    • US06802286B2
    • 2004-10-12
    • US10421871
    • 2003-04-24
    • Morio FujiwaraTatsuhiko TakahashiKoji Wada
    • Morio FujiwaraTatsuhiko TakahashiKoji Wada
    • F01L134
    • F01L1/34F01L1/3442F01L2001/34469F02D2041/001F02D2200/023
    • The valve timing control system of the present invention comprises an actuator for changing an actual valve timing of an intake valve or an exhaust valve; an oil pressure adjusting unit for supplying operating oil to the actuator, and adjusting the oil pressure thereof; an actual valve timing control unit for controlling the actuator by controlling the oil pressure adjusting unit, so that the actual valve timing follows up a target value; and an oil temperature estimation unit for estimating the temperature of the operating oil, according to an operating state of the internal combustion engine from a previous operation, and according to its current operating state. Based on the estimated oil temperature, the actual valve timing control unit switches a control amount for controlling the oil pressure adjusting unit.
    • 本发明的气门正时控制系统包括用于改变进气门或排气门的实际气门正时的致动器; 油压调节单元,用于向致动器供给工作油,并调节其油压; 实际气门正时控制单元,用于通过控制油压调节单元来控制致动器,使得实际气门正时跟随目标值; 以及油温估计单元,用于根据前一操作的内燃机的运转状态,根据其当前的运行状态来推定运转油的温度。 基于估计的油温,实际气门正时控制单元切换用于控制油压调节单元的控制量。
    • 34. 发明授权
    • Chamber material made of Al alloy and heater block
    • 室内材料由铝合金和加热块组成
    • US06521046B2
    • 2003-02-18
    • US09773638
    • 2001-02-02
    • Toshiyuki TanakaKoji WadaJun HisamotoHiroki SawadaHiroshi Matsuura
    • Toshiyuki TanakaKoji WadaJun HisamotoHiroki SawadaHiroshi Matsuura
    • C23C1600
    • H01J37/32467
    • A chamber material made of Al alloy excellent in thermal cracking resistance and chemical and/or physical corrosion resistance and capable of reducing contamination excellently and further having excellent and wide applicable brazing property in a high temperature corrosive circumstance, in which the substrate aluminum material for the chamber material made of Al alloy having an anodized film comprises 0.1 to 2.0% Si, 0.1 to 3.5% Mg, 0.02 to 4.0% Cu on the mass% basis and the balance of Al and impurity element with Cr in the impurity elements being less than 0.04%. Preferably, Fe is 0.1% or less and Mn is 0.04% or less in the impurity element and, further, the total sum of impurity elements other than Cr and Mn being restricted to 0.1% or less. This invention can be utilized suitably to various materials used in high temperature corrosive circumstance, particularly, in high temperature corrosive gas or plasma atmosphere.
    • 由耐热龟裂性,耐化学腐蚀性和/或物理耐腐蚀性优异并且能够在高温腐蚀环境中具有优异且广泛适用的钎焊性能的,能够优异地降低污染的Al合金制的腔室材料,其中用于 具有阳极氧化膜的Al合金制成的室内材料以质量%计含有0.1〜2.0%的Si,0.1〜3.5%的Mg,0.02〜4.0%的Cu,余量的Al和杂质元素的杂质元素的Cr少于 0.04%。 优选的是,在杂质元素中,Fe为0.1%以下,Mn为0.04%以下,Cr,Mn以外的杂质元素的总和为0.1%以下。 本发明可以适用于高温腐蚀性环境中使用的各种材料,特别是在高温腐蚀性气体或等离子体气氛中。
    • 37. 发明授权
    • Manufacturing method for fluid passage forming member made of synthetic resin
    • 由合成树脂制成的流体通道形成部件的制造方法
    • US06317977B1
    • 2001-11-20
    • US09426903
    • 1999-10-26
    • Katsumi IijimaYutaka YoshidaKoji Wada
    • Katsumi IijimaYutaka YoshidaKoji Wada
    • B23B3112
    • F15B13/081B29C61/02B29C65/02B29C66/1122B29C66/53461B29C66/54B29C66/71B29C66/73365B29C66/73711B29C66/82B29C66/8264B29C66/83221B29K2033/12B29L2031/7506B29L2031/756F15B13/0814F15B13/0871Y10T29/49405Y10T29/49412Y10T137/87885Y10T156/1064B29K2069/00B29K2027/06
    • In manufacture of a fluid passage forming member by heating and joining passage members formed of a thermoplastic synthetic resin, there is provided a method for forming the external configurations of the fluid passages and the fluid passage forming members to virtually predetermined configurations despite the heating. In this method, to join passage members 1a through 1c made of a thermoplastic synthetic resin, fluid passages formed by apertures 3 or grooves 4 in junction surfaces 2 between the passage members are formed by allowing expected shrinkage of the passages beforehand so that they are formed to have predetermined design sections by the shrinkage when heating and joining the passage members. The passage members are closely fitted in a forming mold 10, sealed in a state wherein the jointing surfaces to be joined with each other are pressed into contact, and heated and softened to join them. Deformation of the passage members in a direction orthogonal to the junction surfaces is restrained by the sealed forming mold, and a flow component of a material produced due to expansion of the passage members caused by heating of the passage members and contact pressing of the junction surfaces is absorbed mainly by shrinkage of the fluid passages.
    • 在通过加热和连接由热塑性合成树脂形成的通道构件的流体通道形成构件的制造中,提供了一种用于将流体通道和流体通道形成构件的外部构造形成为几乎预定的构造而不管加热的方法。 通过这种方法,通过由热塑性合成树脂制成的通道构件1a至1c,通过预先使通道预期收缩来形成通道构件之间的接合表面2中由孔3或凹槽4形成的流体通道,使得它们形成为 通过加热和连接通道构件时的收缩而具有预定的设计部分。 通道构件紧密地装配在成形模具10中,在彼此接合的接合表面被压接接触的状态下密封,并加热并软化以将它们接合。 通道构件在与接合面正交的方向上的变形被密封成型模具限制,并且由于通道构件的加热而引起的由于通道构件的膨胀而产生的材料的流动部件和接合表面的接触按压 主要被流体通道的收缩吸收。
    • 38. 发明授权
    • Delay clock generator for generating a plurality of delay clocks
delaying the basic clock
    • 延迟时钟发生器,用于产生延迟基本时钟的多个延迟时钟
    • US5764092A
    • 1998-06-09
    • US650635
    • 1996-05-20
    • Koji WadaMinoru Akiyama
    • Koji WadaMinoru Akiyama
    • H03K5/135G06F1/06H03K5/15H03L7/081H03H11/26
    • H03L7/0814
    • The present invention provides a delay clock generator where a plurality of stable delay clocks can be generated and digitizing is easy. The delay clock generator comprises first to nth (n: integer not less than 2) delay circuits (11 to 1n) connected in cascade connection for delaying the basic clock (KO) in sequence, a phase comparator (21) for comparing phase of a delay clock from the nth delay circuit (1n) with that of the basic clock, and a delay control circuit (31) for generating a delay control value to make the phase of the delay clock from the nth delay circuit synchronize with that of the basic clock based on a phase comparison result, and for controlling delay amounts of the first to nth delay circuits respectively by the delay control value. In the present invention, a voltage control type oscillator is not used, and since delay amounts of the first to nth delay circuits are controlled by the delay control value generated based on the phase comparison result, the delay clock generator can be constituted wholly by digital circuits and moreover can generate stable delay clocks.
    • 本发明提供一种延迟时钟发生器,其中可以产生多个稳定的延迟时钟并且数字化容易。 所述延迟时钟发生器包括以级联方式连接的用于延迟基本时钟(KO)的第一至第n(n:整数不小于2)的延迟电路(11至1n),用于比较相位 从第n延迟电路(1n)延迟时钟与基本时钟的延迟时钟;以及延迟控制电路(31),用于产生延迟控制值以使来自第n个延迟电路的延迟时钟的相位与基本时钟同步 基于相位比较结果的时钟,并且分别控制延迟控制值的第一至第N延迟电路的延迟量。 在本发明中,不使用电压控制型振荡器,由于第1〜第n延迟电路的延迟量由基于相位比较结果而产生的延迟控制值进行控制,所以延迟时钟发生器可以完全由数字 电路,而且可以产生稳定的延迟时钟。