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    • 1. 发明专利
    • Fuel injection valve
    • 燃油喷射阀
    • JP2005240644A
    • 2005-09-08
    • JP2004050275
    • 2004-02-25
    • Denso CorpToyota Motor Corpトヨタ自動車株式会社株式会社デンソー
    • YAMAZAKI MASAMIOKADA SETSUOTOYAO TETSUYA
    • F02M47/00F02M47/02F02M51/00F02M51/06
    • PROBLEM TO BE SOLVED: To provide a fuel injection valve having improved mountability by reducing the axial length of the fuel injection valve.
      SOLUTION: The fuel injection valve 11 comprises an actuator 28 consisting of a piezoelectric element, a displacement enlarging mechanism 30, and a needle valve 22. The displacement enlarging mechanism 30 has a first piston 31 and a second piston 32 arranged via a fixed-capacity displacement enlarging chamber 33 in which fuel is stored. The pressure receiving area of the second piston 32 is smaller than that of the first piston 31. The displacement enlarging mechanism 30 enlarges the displacement of the first piston 31 in the displacement enlarging chamber 33 with the expansion of the actuator 28 and transmits it to the second piston 32. In this fuel injection valve 11, both pistons 31, 32 are arranged so that the second piston 32 is displaced in the opposite direction to the first piston 31 and at least part of the movable range of the second piston 32 is overlapped with the movable range of the first piston 31. The displacement enlarging chamber 33 is provided at the ends (the lower ends) of both pistons 31, 32 on the same side.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:通过减少燃料喷射阀的轴向长度来提供具有改进的安装性能的燃料喷射阀。 解决方案:燃料喷射阀11包括由压电元件,位移扩大机构30和针阀22组成的致动器28.位移扩大机构30具有第一活塞31和第二活塞32,第一活塞31和第二活塞32经由 固定容量位移放大室33,其中存储有燃料。 第二活塞32的受压面积小于第一活塞31的压力接收面积。位移扩大机构30随着致动器28的膨胀而扩大位移扩大室33内的第一活塞31的位移,并将其发送到 在该燃料喷射阀11中,两个活塞31,32配置成使得第二活塞32沿与第一活塞31相反的方向移位,并且第二活塞32的可动范围的至少一部分重叠 具有第一活塞31的可动范围。位移扩大室33设置在同一侧的两个活塞31,32的端部(下端)。 版权所有(C)2005,JPO&NCIPI
    • 2. 发明专利
    • CARRIER TRAVELING CONTROL SYSTEM
    • JPH09101819A
    • 1997-04-15
    • JP25882095
    • 1995-10-05
    • DENSO CORP
    • TERADA HIROYUKIOKADA SETSUOTAKEDA SHIGERU
    • B61B13/00G05D1/02
    • PROBLEM TO BE SOLVED: To provide a carrier traveling control system capable of attaining both of high speed traveling and traveling route variability and having excellent traveling efficiency. SOLUTION: Since a carrier 1 is provided with wheels guided by a track type non-guided traveling route 4 and a traveling controller for receiving a guide signal received from a non-track type guided traveling route 3 and executing steering control, traveling efficiency (the average traveling speed of the carrier 1) capable of optionally traveling on both the traveling routes 4, 3 of which end parts are brought into contact with each other can be sharply improved as compared with a conventional system. High speed traveling can be attained on the track type non-guided traveling route 4 eliminating the necessity of steering control, the layout of a traveling route part requiring the frequent change of its layout can easily be changed by the traveling route 3 and both of the high speed traveling and the easiness of rearrangement can be attained.