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    • 3. 发明专利
    • Solenoid valve device
    • 电磁阀装置
    • JP2010138929A
    • 2010-06-24
    • JP2008313137
    • 2008-12-09
    • Kawasaki Precision Machinery Ltd株式会社カワサキプレシジョンマシナリ
    • NOMICHI KAORUSUZUKI YUTAKANINOMIYA MAKOTOITO HIROSHI
    • F16K31/06
    • PROBLEM TO BE SOLVED: To provide a solenoid valve device having a highly reliable valve element in which a valve element section made of a non-magnetic material and a movable member made of a magnetic material are joined. SOLUTION: A valve passage 34 for joining a first port 32 and a second port 33 is formed in a housing 21. The valve element 22 has the valve element section 25 made of the non-magnetic material and the movable iron core 26 made of the magnetic material. An electromagnetic drive means 23 is provided in the valve element 22. The electromagnetic drive means 23 applies an electromagnetic force to a movable iron core 26 of the valve element 22 so that the valve element 22 is moved to open and close the valve passage 34 by the valve element section 25. In such a constituted valve element 22, the valve element section 25 and the movable iron core 26 are joined by friction welding. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种具有高可靠性阀元件的电磁阀装置,其中由非磁性材料制成的阀元件部分和由磁性材料制成的可动件接合。 解决方案:用于连接第一端口32和第二端口33的阀通道34形成在壳体21中。阀元件22具有由非磁性材料制成的阀元件部分25和可动铁芯26 由磁性材料制成。 电磁驱动装置23设置在阀元件22中。电磁驱动装置23向阀元件22的可动铁芯26施加电磁力,使得阀元件22移动以通过阀门通道34打开和关闭阀通道34 阀元件部25.在这样构成的阀元件22中,阀芯部25和可动铁芯26通过摩擦焊接接合。 版权所有(C)2010,JPO&INPIT
    • 4. 发明专利
    • Sealing structure for gas
    • 密封结构用于气体
    • JP2010107052A
    • 2010-05-13
    • JP2010030708
    • 2010-02-15
    • Kawasaki Precision Machinery LtdMitsubishi Cable Ind Ltd三菱電線工業株式会社株式会社カワサキプレシジョンマシナリ
    • NOMICHI KAORUISHII SEIJININOMIYA MAKOTOKANO YASUSHIAOSHIBA HIROSHIKAWAHIGASHI MASAKIKOZUKI TAKEO
    • F16J15/10
    • PROBLEM TO BE SOLVED: To provide a structurally simple sealing structure preventing the leakage of gas whose pressure variation becomes large and high pressure.
      SOLUTION: A resin sub-seal member 11 having a recessed groove 16 is arranged on the high pressure side of a rubber main seal member 10, and when the pressure of high pressure side gas varies, this pressure variation is prevented from being transmitted to the main seal member 10. A variation relieving space 13 is also formed between the respective seal members 10 and 11, and even if a response delay of the sub-seal member 11 to the leakage of the gas and the pressure variation in the sub-seal member 11 is caused, the pressure variation can be relieved by the variation relieving space 13. Thus, a sudden change in the pressure of the gas around the main seal member 10 is prevented, and the occurrence of a blister phenomenon is prevented, and high sealability is attained. The respective seal members 10 and 11 and the variation relieving space 13 are only preferably arranged, and can be achieved in a simple constitution.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种结构简单的密封结构,防止压力变化变大和高压的气体泄漏。 解决方案:在橡胶主密封构件10的高压侧设置有具有凹槽16的树脂副密封构件11,并且当高压侧气体的压力变化时,防止该压力变化 传递到主密封构件10.也可以在各个密封构件10和11之间形成变形释放空间13,并且即使副密封构件11对气体的泄漏和压力变化的响应延迟 引起副密封构件11,通过变形缓和空间13可以减轻压力变化。因此,防止了主密封构件10周围的气体的压力的突然变化,并且防止了起泡现象的发生 ,达到高密封性。 相应的密封构件10,11和变形释放空间13仅优选地布置,并且可以以简单的结构实现。 版权所有(C)2010,JPO&INPIT
    • 5. 发明专利
    • Solenoid on-off valve
    • 电磁阀开关阀
    • JP2010065780A
    • 2010-03-25
    • JP2008233573
    • 2008-09-11
    • Kawasaki Precision Machinery Ltd株式会社カワサキプレシジョンマシナリ
    • NOMICHI KAORUSUZUKI YUTAKANINOMIYA MAKOTOITO HIROSHI
    • F16K31/06
    • F16K31/0655F16K39/024
    • PROBLEM TO BE SOLVED: To provide a solenoid on-off valve easy to manufacture even when high machining accuracy is required for a seat member. SOLUTION: The solenoid on-off valve 20 comprises a main valve element 22 provided displaceably on a housing having a valve passage 55. The main valve element 22 has the seat member 25. The seat member 25 is seated on a valve seat 34 which divides the valve passage 55 into a primary side space 56 and a secondary side space 57, to close the valve passage 55. To the main valve element 22, a pilot valve element 23 is connected displaceably relative to the main valve element 22. The pilot valve element 23 is displaced with the electromagnetic force of an electromagnetic drive means 24. Additionally, the solenoid on-off valve 20 has a pilot passage 40 formed in the seat member 25 to communicate the primary side space 56 with the secondary side space 57. When the pilot valve element 23 is seated on the seat member 25, the pilot passage 40 is closed. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:即使在座椅构件需要高加工精度的情况下,也能够提供容易制造的电磁开关阀。 电磁开关阀20包括可移动地设置在具有阀通道55的壳体上的主阀元件22.主阀元件22具有座构件25.座构件25位于阀座 34,其将阀通道55分成初级侧空间56和次级侧空间57,以关闭阀通道55.主阀元件22相对于主阀元件22可移位地连接到主阀元件22。 先导阀元件23随着电磁驱动装置24的电磁力而移动。此外,螺线管开关阀20具有形成在座构件25中的先导通道40,以将初级侧空间56与次级侧空间 当先导阀元件23就座在座椅构件25上时,先导通道40关闭。 版权所有(C)2010,JPO&INPIT
    • 8. 发明专利
    • Solenoid valve device
    • 电磁阀装置
    • JP2008232440A
    • 2008-10-02
    • JP2008109623
    • 2008-04-18
    • Kawasaki Precision Machinery Ltd株式会社カワサキプレシジョンマシナリ
    • NOMICHI KAORUISHII SEIJININOMIYA MAKOTO
    • F16K31/06H01F7/16
    • PROBLEM TO BE SOLVED: To provide a highly reliable, smaller and simpler solenoid valve device. SOLUTION: Electric power is conducted to a coil 17 and a valve element 16 is driven to be displaced with magnetic operation to adjust the opening of a valve passage 43. The electric power for driving the valve element 16 is conducted to the coil 17 via a conductive wire 18. The conductive wire 18 is provided ranging from a portion of a housing 15 which is exposed from a tank 11 to a portion on which the coil 17 is provided, and it is held in the housing 15 in the state of being inserted through the housing 15. The conductive wire 18 is inserted through the housing 15 and held in the housing 15, so it is protected from external vibration and impact. The conductive wire 18 is therefore highly reliable in vibration resistance and impact resistance. The conductive wire 18 can be stored in the housing 15 in a neat fashion. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供高度可靠,更小和更简单的电磁阀装置。

      解决方案:电力被传导到线圈17,并且阀元件16被驱动以磁性操作移位以调节阀通道43的开度。用于驱动阀元件16的电力被传导到线圈 导线18的设置范围从壳体15的从容器11暴露到线圈17的部分的部分,并且以该状态保持在壳体15中 被插入通过壳体15.导线18插入通过壳体15并保持在壳体15中,从而防止外部振动和冲击。 因此,导线18在耐振动性和耐冲击性方面是高度可靠的。 导线18可以以整齐的方式存储在壳体15中。 版权所有(C)2009,JPO&INPIT

    • 10. 发明专利
    • Hydraulic control device of working machine
    • 工作机械液压控制装置
    • JP2007192347A
    • 2007-08-02
    • JP2006012244
    • 2006-01-20
    • Kawasaki Precision Machinery LtdKobelco Contstruction Machinery Ltdコベルコ建機株式会社株式会社カワサキプレシジョンマシナリ
    • OKA HIDEKAZUTAJI HIROSHIYOSHIKAWA HIROSHIMURASE KIMIHIKO
    • F15B11/17E02F9/22F15B20/00
    • PROBLEM TO BE SOLVED: To secure an operation of a hydraulic actuator while preventing the generation of heat caused by relieving work oil at the time of a failure of a unified bleed-off valve, in a circuit structure that a group of hydraulic actuators are divided into two groups to drive both the groups with hydraulic oil discharged from a common pump. SOLUTION: A group of hydraulic actuators are divided into two groups A and B, and the unified bleed-off valves 27 and 28 are arranged in discharged lines 15 and 16 of first and second hydraulic pumps 7 and 8. Further, center bypass passages 21 and 22 are arranged on respective control valves 1-3 and 4-6 of both the groups A and B, and center bypass lines 23 and 24 are formed by connecting these center bypass passages in tandem. A manually-switching type bypass cut valve 35 for unloading work oil at the time of the failure of the unified bleed-off valves 27 and 28 is arranged at the most downstream side of the center bypass lines 23 and 24. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了确保液压致动器的操作,同时防止在统一泄放阀故障时释放工作油而产生的热量,在一组液压 执行器分为两组,以驱动两个组,其中液压油从普通泵排出。 解决方案:一组液压致动器分为两组A和B,统一排泄阀27和28布置在第一和第二液压泵7和8的排出管线15和16中。另外,中心 旁通通道21和22布置在组A和B两个的相应的控制阀1-3和4-6上,并且通过串联连接这些中心旁通通道来形成中心旁路管线23和24。 在中央旁路管路23和24的最下游侧设置有用于在统一排泄阀27和28故障时卸载工作油的手动切换式旁通切断阀35。 (C)2007,JPO&INPIT