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    • 3. 发明专利
    • チェーンテンショナ
    • 链条张紧器
    • JP2016205411A
    • 2016-12-08
    • JP2015083086
    • 2015-04-15
    • 株式会社椿本チエイン
    • 高木 雄大園田 勝敏
    • F16H7/08
    • F16H7/08F16H7/0836F16H2007/0814
    • 【課題】多様なチェーンの張力変動に対して常に適切な反力、減衰力を発揮することが可能であり、かつ、構造が単純であり、製造が容易で製造コストも低減されるチェーンテンショナを提供すること。 【解決手段】プランジャ収容穴111に挿入されるプランジャ120を付勢手段140により突出方向に付勢するチェーンテンショナ100であって、高圧室101に伸縮自在に収納される付勢手段140が、隔離板130を介してプランジャ120の突出方向に直列に複数設けられ、隔離板130がオイルの流通を調整する1つ以上のオイル通路を有していること。 【選択図】図2
    • 各种对的,能够发挥的阻尼力,并以简单的结构中的张力波动链总是足够的反作用力,链条张紧器被减小容易制造成本生产 提供。 的柱塞120插入到柱塞容纳孔111a链条张紧器100,用于由所述施力机构施力140的突出方向,偏压装置140,其设置在高压室101伸缩地接纳,孤立 通过板130串联布置在柱塞120的突出方向上的多个,分离器130具有用于调节油的流动的一个或多个油路。 .The
    • 6. 发明专利
    • Chain tensioner
    • 链条张紧器
    • JP2009210088A
    • 2009-09-17
    • JP2008055860
    • 2008-03-06
    • Ntn CorpNtn株式会社
    • RYONO YOSHIAKISATO SEIJIHAYAKAWA HISASHIIZUTSU TOMOYOSHI
    • F16H7/08
    • F16H7/0836F16H2007/0806F16H2007/0814F16H2007/0857F16H2007/0859
    • PROBLEM TO BE SOLVED: To provide a chain tensioner capable of preventing over-tensioning of a chain in low-temperature environments.
      SOLUTION: This chain tensioner is structured such that a plunger 10 is slidably inserted into a closed-end cylindrical housing 9, an oil supply passage 25 for introducing hydraulic oil into a pressure chamber 24 surrounded by the housing 9 and the plunger 10 is formed, a check valve 27 is arranged at the exit of the oil supply passage 25, a return spring 22 energizing the plunger 10 in a direction projecting from the housing 9 is arranged, and the chain 6 is pressed by a projecting end of the plunger 10 from the housing 9. In the chain tensioner, a primary-side escape passage 31 branching from the middle of the oil supply passage 25 is formed, and a primary-side relief valve 34 relieving the pressure in the oil supply passage 25 when increasing larger than preset pressure is incorporated in the primary-side escape passage 31.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种能够在低温环境中防止链条过度张紧的链条张紧器。 解决方案:该链条张紧器被构造成使得柱塞10可滑动地插入到封闭端圆柱形壳体9中,用于将液压油引入由壳体9和柱塞10包围的压力室24中的供油通道25 在供油通道25的出口处设置有止回阀27,在从壳体9突出的方向上对柱塞10施力的复位弹簧22布置,并且链条6被按压 在链条张紧器中,形成从供油通道25的中间分支的初级侧排出通道31,并且形成一次侧泄压阀34,其使得当供油通道25中的压力减小时 增加大于预设压力的初级侧排放通道31。版权所有(C)2009,JPO&INPIT
    • 7. 发明专利
    • Tensioner for endless transmission belt
    • 用于无端变速带的张紧器
    • JP2009180358A
    • 2009-08-13
    • JP2008022047
    • 2008-01-31
    • Honda Motor Co Ltd本田技研工業株式会社
    • EMIZU OSAMUYAMAURA HIROSHINIIMURA RYUTAFUKUYOSHI YASUHIROKUTO TAKAO
    • F16H7/08F02B67/06
    • F16H7/0836F16H7/0848F16H2007/0806F16H2007/0812F16H2007/0814F16H2007/0859
    • PROBLEM TO BE SOLVED: To provide a technology capable of miniaturizing an oil pump, and preventing a noise from occurring from a timing belt in starting an engine. SOLUTION: A check valve 94 and a relief valve 95 are provided between a high oil pressure chamber 88 and an oil supply passage 78, so that the pressure oil of the high oil pressure chamber 88 is relieved via the oil supply passage 78 by the relief valve 95. In this case, the pressure oil flows in a direction opposing an arrow (2), and flows opposing an arrow (1). As a result, the oil supply passage 78 is connected to an oil pump 93. Since the pressure oil is returned to the oil supply passage 78 even when the relief valve 95 is opened, the pressure oil can be used effectively so that the load of the oil pump 93 can be reduced, and the oil pump can be miniaturized. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供能够使油泵小型化并且防止在起动发动机时从同步带发生噪声的技术。 解决方案:在高油压室88和供油通道78之间设置止回阀94和安全阀95,使得高油压室88的压力油经由供油通道78释放 在这种情况下,压力油沿与箭头(2)相反的方向流动,并且与箭头(1)相反地流动。 结果,供油通道78连接到油泵93.由于即使当安全阀95打开时也将压力油返回到供油通道78,所以可以有效地使用压力油, 能够减少油泵93,能够使油泵小型化。 版权所有(C)2009,JPO&INPIT
    • 9. 发明专利
    • Autotensioner
    • 自动张紧器
    • JP2007255578A
    • 2007-10-04
    • JP2006081094
    • 2006-03-23
    • Ntn CorpNtn株式会社
    • SATO SEIJIKITANO SATOSHIRYONO YOSHIAKI
    • F16H7/08
    • F16H7/0848F16H7/0836F16H2007/0806F16H2007/0814F16H2007/0853F16H2007/0859
    • PROBLEM TO BE SOLVED: To provide an oil feeding type auto tensioner in which a hydraulic damper operates from immediately after start of an engine. SOLUTION: A plunger 13, and a return spring 14 imparting outward projecting property to the plunger 13, are built in a cylinder chamber 12 of a housing 11. The housing 11 is provided with an oil feeding passage 16 communicating with a pressure chamber 15 formed behind the plunger 13. A packing 40 is provided in the pressure chamber 15 to reduce volume, and when starting the engine, the pressure chamber 15 is immediately filled with oil fed into the oil feeding passage 16. Hydraulic damper action is thereby exhibited from immediately after the start of the engine. The packing 40 is provided with a flange 41 for receiving an end of the return spring 14. The flange 41 is abutted against a closed end face of a spring storing recessed part 18 opening at a rear end of the plunger 13. A discharge passage 43 communicating the pressure chamber 15 and the outside is formed at a tip end face of the flange 41. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种供油型自动张紧器,其中液压阻尼器从发动机起动之后立即进行操作。 解决方案:将柱塞13和向柱塞13施加向外突出性的复位弹簧14内置在壳体11的气缸室12中。壳体11设置有供油通道16,该供油通道16与压力 腔15形成在柱塞13后面。填料40设置在压力室15中以减小体积,并且当起动发动机时,压力室15立即被供给到供油通道16中的油充满。因此,液压阻尼器动作 从发动机启动后立即展现。 填料40设置有用于接收复位弹簧14的端部的凸缘41.凸缘41抵靠在柱塞13的后端开口的弹簧储存凹部18的封闭端面。排出通道43 在凸缘41的前端面上形成有连通压力室15和外部的通气口。(C)2008,JPO&INPIT
    • 10. 发明专利
    • Hydraulic tensioner with relief valve
    • 液压拉紧器带减压阀
    • JP2006125430A
    • 2006-05-18
    • JP2004310946
    • 2004-10-26
    • Honda Motor Co LtdTsubakimoto Chain Co本田技研工業株式会社株式会社椿本チエイン
    • HASHIMOTO YUJIKUROKAWA YOSHIONAMIE TSUTOMUIWATA KAZUYUKI
    • F16H7/08F01L1/02F01L1/053
    • F01L1/02F01L1/053F16H7/0836F16H2007/0806F16H2007/0812F16H2007/0814F16H2007/0853F16H2007/0859
    • PROBLEM TO BE SOLVED: To provide a hydraulic tensioner with a relief valve with components having improved productivity while reducing the dispersion of performance.
      SOLUTION: The hydraulic tensioner with the relief valve comprises a relief valve seat 12 having a plurality of radial relief holes 12b and a plurality of axial recessed grooves 12c communicated with the radial relief holes 12b, the relief valve seat 12 forming axial oil passages 12d between the inner peripheral face of a plunger 3 and each of the axial recessed grooves 12c, when pressed into the inner peripheral face the plunger 3, and a spring supporting plug 15 having an axial oil passage 15d formed between the inner peripheral face of the plunger 3 and itself, when pressed into the inner peripheral face of the plunger 3, and a radial oil groove 15e communicated with the axial oil passage 15d, the radial oil groove 15e being communicated with a discharge port 3c formed in the end of the plunger 3. The spring supporting plug 15 has a plurality of axial flat portions 15a on the outer peripheral face, and the axial oil passage 15d is formed between the axial flat portion 15a and the inner peripheral face of the plunger 3.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供具有安全阀的液压张紧器,其具有提高的生产率的部件,同时减少性能的分散。 解决方案:具有安全阀的液压张紧器包括具有多个径向释放孔12b的安全阀座12和与径向释放孔12b连通的多个轴向凹槽12c,形成轴向油的安全阀座12 在压入柱塞3的内周面时,柱塞3的内周面与各个轴向凹槽12c之间的通道12d以及弹簧支撑塞15,该弹簧支撑塞15具有形成在轴向油路15d的内周面 柱塞3及其自身当被压入柱塞3的内周面时,以及与轴向油路15d连通的径向油槽15e,径向油槽15e与形成在柱塞3的端部的排出口3c连通 弹簧支撑塞15在外周面上具有多个轴向平坦部15a,轴向油通道15d形成在轴向平坦部15a和 柱塞3的内周面。版权所有(C)2006,JPO&NCIPI