会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 7. 发明专利
    • ACTIVE PULSE PRESSURE ABSORBER
    • JPH06294375A
    • 1994-10-21
    • JP23432991
    • 1991-09-13
    • YOKOTA SHINICHINISSAN MOTOR
    • YOKOTA SHINICHISHIOKAWA SHOJI
    • F04B11/00
    • PURPOSE:To equalize responsiveness of a piston regardless of the piston displacement direction in absorbing of pulse flow rate and also to secure linearity of the displacement of laminated piezo elements by making a piston into a double rod piston, and arranging a first laminated piezo element to which control voltage is alternately applied on the rods on the piston both sides. CONSTITUTION:A piston is made into a double rod piston 28, and a first laminated piezo element 30 and a second laminated piezo element 31 to which control voltage is alternately applied are respectively arranged on rods 28a, 28b on the piston both sides. And they are communicated with each other so that both pressure chambers 26, 27 may hold the same line pressures. Thereby, one side becomes the extension side while the other side becomes the contraction side when both laminated piezo elements 30, 31 are displaced to any sides, and responsiveness of the piston is equalized regardless of the displacement direction in absorbing of pulse flow rate. Moreover, since this absorber has the structure wherein same loads are applied to the extension side and the contraction side of the laminated piezo elements 30, 31, linearity of the displacement to voltage of the laminated piezo elements 30, 31 can be held.