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    • 1. 发明授权
    • Oil pressure control mechanism for automatic transmission
    • 自动变速器油压控制机构
    • US06805655B2
    • 2004-10-19
    • US10283201
    • 2002-10-30
    • Yoshiaki HoriYoshihiro YoshidaSeiji Hamaoka
    • Yoshiaki HoriYoshihiro YoshidaSeiji Hamaoka
    • F16H5930
    • F16H61/20F16H61/0021F16H61/0206F16H2312/06Y10T477/638Y10T477/693Y10T477/693635Y10T477/69365Y10T477/69398
    • Many vehicles designed for running on rough terrain include an automatic transmission for performing speed change by connecting or disconnecting an oil hydraulic clutch provided alongside each speed change gear. However, depending on the posture of the driver, it may be impossible to step on the brake. As a result, it may be impossible to achieve creep prevention with a creep preventive mechanism dependent on a brake signal. Therefore, a creep preventive mechanism which operates independently from a brake signal is required. The present invention provides an oil pressure control system operating independently from a brake signal. The system includes an oil pressure supply source with a linear solenoid valve for supplying working oil or interrupting the supply of the working oil to the oil hydraulic clutches. The supply of the working oil to the clutches is interrupted when the vehicle is stopped under an idling condition of an engine.
    • 设计用于在崎岖地形上行驶的许多车辆包括通过连接或断开与每个变速齿轮一起设置的油压离合器来执行变速的自动变速器。 然而,根据驾驶员的姿势,可能不可能踩踏刹车。 结果,可能不可能通过依赖于制动信号的防蠕变机构来实现防蠕变。 因此,需要独立于制动信号工作的防蠕变机构。 本发明提供独立于制动信号工作的油压控制系统。 该系统包括具有线性电磁阀的油压供应源,用于供应工作油或中断向油压离合器供应工作油。 当车辆在发动机的怠速状态下停止时,将离合器的工作油的供给中断。
    • 3. 发明授权
    • Orifice of fluid passage and orifice clogging preventing mechanism
    • 流体通道孔和孔堵塞防止机理
    • US06827106B2
    • 2004-12-07
    • US10265572
    • 2002-10-08
    • Yoshiaki HoriYoshihiro Yoshida
    • Yoshiaki HoriYoshihiro Yoshida
    • F16K1110
    • F16H61/0009F15B21/041F16H61/0206F16H2061/0043F16H2061/0046Y10T74/2186Y10T137/87885
    • A compact orifice and an orifice clogging preventing mechanism respectively integrated with a hydraulic control unit in the orifice of a fluid passage of the hydraulic control unit formed by inserting plate between two parts and the orifice clogging preventing mechanism. One groove type fluid passage formed in the first part is in communicate with a groove type fluid passage formed in the second part via a group of small holes formed in a plate. The groove type fluid passage in the second part is in communicate with a separate groove type fluid passage in the first part from the groove type fluid passage in the first part via an orifice formed on the plate and the diameter of each small hole in the group of small holes is set to a smaller value than that of the orifice.
    • 一个紧凑的孔口和孔口堵塞防止机构,其分别与液压控制单元集成在液压控制单元的流体通道的孔口中,该液压控制单元通过在两个部件之间插入板而形成,以及孔口堵塞防止机构。 形成在第一部分中的一个槽型流体通道经由形成在板中的一组小孔与在第二部分中形成的槽型流体通道连通。 第二部分中的凹槽型流体通道经由形成在板上的孔和第一部分中的每个小孔的直径从第一部分中的槽型流体通道与第一部分中的单独的槽型流体通道连通 的小孔被设定为比孔的小的值。
    • 4. 发明授权
    • Ultrathin cross-roller bearing
    • 超薄交叉滚子轴承
    • US08408803B2
    • 2013-04-02
    • US12470748
    • 2009-05-22
    • Kazumasa KunimotoYoshihiro Yoshida
    • Kazumasa KunimotoYoshihiro Yoshida
    • F16C19/50F16C19/40
    • F16C33/37F16C19/362F16C33/34F16C33/58F16C2240/46F16C2240/60F16C2240/70
    • An ultrathin cross-roller bearing composed of outer and inner rings, more than one roller rolling through between the outer and inner rings, and a separator interposed between any two adjoining rollers. With the ultrathin cross-roller bearing constructed as stated earlier, the separator lying between the adjoining rollers is in the form of right cylinder better for keeping constantly the roller in proper posture, getting the bearing itself downsized and lightweight as small as possible, and further making sure of positive lubrication. The outer and inner rings are each made into one-piece construction. The inner ring has an inside diameter in a range of from 20 mm to 50 mm. The roller used in the ultrathin cross-roller bearing has a diameter of 2 mm to render a transverse section given by a product of a radial height and a bearing width in transverse section small or ultrathin in thickness.
    • 由外圈和内圈构成的超薄交叉滚子轴承,多个滚子在外圈和内圈之间滚动,以及夹在任意两个邻接辊之间的隔板。 对于如上所述构造的超薄交叉滚子轴承,位于相邻辊之间的分离器以右圆柱体的形式可以更好地保持辊子处于适当的姿势,使轴承本身的尺寸尽可能小并且重量轻,并且进一步 确保积极的润滑。 外环和内圈各自制成一体式结构。 内圈的内径在20mm至50mm的范围内。 在超薄交叉滚子轴承中使用的滚子的直径为2mm,使横向部分由径向高度和轴承宽度的产品给出,横向部分厚度较小或超薄。
    • 5. 发明授权
    • 2-methyl-3-(3,4-methylenedioxyphenyl)propanal, and method for production thereof
    • 2-甲基-3-(3,4-亚甲二氧基苯基)丙醛及其制备方法
    • US08168809B2
    • 2012-05-01
    • US12526697
    • 2008-02-14
    • Takashi DoiYoshihiro YoshidaEiji SajikiSatoru Fujitsu
    • Takashi DoiYoshihiro YoshidaEiji SajikiSatoru Fujitsu
    • C07D317/54
    • C07D317/54
    • Disclosed are: (1) a method for producing 2-methyl-3-(3,4-methylenedioxyphenyl)propanal, which comprises the step of providing a reaction mixture containing 1-acetoxy-2-methyl-3-(3,4-methylenedioxyphenyl)-1-propene by a process for reacting 1,2-methylenedioxybenzene with 2-methyl-3,3-diacetoxypropene or a process for reacting 1,2-methylenedioxybenzene, methacrolein and acetic anhydride with one another; subjecting the reaction mixture to hydrolysis or transesterification with an alcohol to provide a reaction mixture containing 2-methyl-3-(3,4-methylenedioxyphenyl)propanal; and purifying by distilling the reaction mixture, wherein a high boiling point compound contained in the reaction mixture is removed by a specific procedure; and (2) 2-methyl-3-(3,4-methylenedioxyphenyl)-propanal produced by the method, which has an acetic acid content of a less than 40 ppm, is useful as a perfume, and has a high purity.
    • 公开的是:(1)2-甲基-3-(3,4-亚甲二氧基苯基)丙醛的制备方法,其包括提供含有1-乙酰氧基-2-甲基-3-(3,4-二甲氧基苯基) 亚甲二氧基苯基)-1-丙烯,通过使1,2-亚甲二氧基苯与2-甲基-3,3-二乙酰氧基丙酮反应的方法或使1,2-亚甲二氧基苯,甲基丙烯醛和乙酸酐彼此反应的方法; 使反应混合物用醇进行水解或酯交换,得到含有2-甲基-3-(3,4-亚甲二氧基苯基)丙醛的反应混合物; 并通过蒸馏反应混合物进行纯化,其中通过特定方法除去反应混合物中所含的高沸点化合物; 和(2)通过乙酸含量小于40ppm的方法生产的2-甲基-3-(3,4-亚甲二氧基苯基) - 丙醛可用作香料,并且具有高纯度。
    • 7. 发明申请
    • Clutch mechanism of hydrostatic continuously variable transmission
    • 静液压无级变速器离合器机构
    • US20070035792A1
    • 2007-02-15
    • US11349272
    • 2006-02-08
    • Toshimasa MitsuboriYoshihiro Yoshida
    • Toshimasa MitsuboriYoshihiro Yoshida
    • G02B5/32
    • F16H61/465F16H39/14F16H61/40F16H61/4043
    • A clutch mechanism for a hydrostatic continuously variable transmission in which a high pressure oil path and a low pressure oil path are shortened to change-over a transmittance of power. A spring sheet is provided of which manufacturing and assembling are simple and the number of component parts is reduced. This clutch mechanism for a hydrostatic continuously variable transmission includes a cam plate member arranged at the end part of the transmission shaft, a roller engaged with the cam plate member and moved in a diametrical outward direction with a centrifugal force, a roller bearing member slid axially through an outward motion of the roller, a spring sheet member for biasing the roller bearing member toward the roller, and a spring sheet member for supporting the spring member. The spring sheet member is held by said cam plate member and said casing and is supported.
    • 一种用于静压无级变速器的离合器机构,其中高压油路和低压油路被缩短以转换功率的透射率。 提供了一种弹簧片,其制造和组装简单,并且减少了部件的数量。 用于静液压无级变速器的离合器机构包括布置在传动轴的端部的凸轮板构件,与凸轮板构件接合并且以离心力沿直径向外方向移动的滚子,滚子轴承构件沿轴向滑动 通过辊的向外运动,用于将滚子轴承构件朝向辊偏压的弹簧片构件和用于支撑弹簧构件的弹簧片构件。 弹簧片构件由所述凸轮板构件和所述壳体保持并被支撑。
    • 9. 发明申请
    • Static hydraulic continuously variable transmission
    • 静液压无级变速器
    • US20060174616A1
    • 2006-08-10
    • US11349166
    • 2006-02-08
    • Yoshihiro YoshidaKazuhiko NakamuraHideo Okuzaki
    • Yoshihiro YoshidaKazuhiko NakamuraHideo Okuzaki
    • F16D39/00
    • F16D31/02F16H39/14
    • To provide a short connection hydraulic path structure with a sufficiently large diameter to adequately lower the pressure in a high-pressure hydraulic path while the clutch is off, in a static hydraulic continuously variable transmission for sliding a clutch valve installed within the transmission shaft, to change the power being transmitted and shorten the high-pressure hydraulic path and low-pressure hydraulic path. A high-pressure fluid path is provided for sending hydraulic fluid from the hydraulic pump side to the hydraulic motor side with a low-pressure fluid path for sending hydraulic fluid from the hydraulic motor side to the hydraulic pump side. A hydraulic circuit includes a switching valve for switching the plungers to the high-pressure path or the low-pressure path as a dual structure within a valve body between the hydraulic pump made from multiple plungers, and a hydraulic motor made from multiple motors.
    • 为了提供具有足够大直径的短连接液压路径结构,以在离合器关闭时充分降低高压液压路径中的压力,在用于使安装在传动轴内的离合器阀滑动的静态液压无级变速器中, 改变被传输的功率,缩短高压液压路径和低压液压路径。 提供了一种高压流体路径,用于将液压流体从液压泵侧输送到液压马达侧,并具有用于将液压流体从液压马达侧输送到液压泵侧的低压流体路径。 液压回路包括切换阀,用于在由多个柱塞制成的液压泵之间的阀体内的作为双重结构的高压路径或低压路径上切换柱塞,以及由多个马达制成的液压马达。