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    • 1. 发明授权
    • Piezoelectric pump assembly
    • 压电泵总成
    • US4983876A
    • 1991-01-08
    • US386658
    • 1989-07-31
    • Satoshi NakamuraTeruo SimizuReizo NaruseHiroyuki Igawa
    • Satoshi NakamuraTeruo SimizuReizo NaruseHiroyuki Igawa
    • F04B9/00F04B43/04H02N2/04
    • F04B43/046
    • A piezoelectric diaphragm pump assembly is disclosed, wherein there is disposed a housing having an inlet port provided with a feed check valve, and an outlet port provided with a discharge check valve, wherein a casing is disposed for accomodating an amplification mechanism, said casing having an L-shape stationary member, to which a plate spring is fixed, a front end portion of the plate spring being fixed with a lever member of the amplification mechanism, which is engaged with an upper portion of a longitudinally effective type piezoelectric actuator, and wherein a diaphragm body coated with a film is disposed, characterized in that a front end portion of the lever member is fixed with a supporting member which is, in turn, fixed with a U-shape supporting member for supporting the diaphragm body, and that the supporting member is connected via a spring to the L-shape stationary member.
    • 公开了一种压电隔膜泵组件,其中设置有具有设置有进料止回阀的入口的壳体和设置有排放止回阀的出口,其中设置有用于容纳放大机构的壳体,所述壳体具有 固定板弹簧的L形固定构件,弹簧的前端部分固定有与纵向有效型压电致动器的上部接合的放大机构的杆构件,以及 其特征在于,所述杆构件的前端部固定有支撑构件,所述支撑构件又与用于支撑所述隔膜体的U形支撑构件固定,并且所述支撑构件 支撑构件通过弹簧连接到L形固定构件。