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    • 7. 发明申请
    • ROTOR DRIVE MECHANISM, ECCENTRIC SHAFT SEALING STRUCTURE, AND PUMP APPARATUS
    • 转子驱动机构,偏心轴封密封结构和泵装置
    • US20100040498A1
    • 2010-02-18
    • US12530419
    • 2008-01-29
    • Teruaki AkamatsuMikio YamashitaNobuhisa Suhara
    • Teruaki AkamatsuMikio YamashitaNobuhisa Suhara
    • F04C2/107F04C18/107
    • F04C2/1073F01C21/02F04C15/0061F04C15/0096
    • To transfer and fill a fluid with high flow rate accuracy and a long operating life, and realize small size, light weight, low cost, and energy saving.A pump apparatus (39) includes: a first rotor drive mechanism (41) configured to transfer rotation of an input shaft portion (50) to an output shaft portion (49) coupled to an external screw type rotor (23) of a uniaxial eccentric screw pump (21), the input shaft portion (50) being rotated with a central axis thereof kept in a certain position; and a uniaxial eccentric screw pump (21), wherein: the output shaft portion(49) is rotatably provided via a bearing at a position eccentrically located with respect to the input shaft portion (50); the rotation of the input shaft portion (50) is transferred through a first power transmission mechanism (41a) including an inner gear (27) to the output shaft portion(49) to cause the output shaft portion(49) to carry out an eccentric rotational movement; and the input shaft portion (50) and the output shaft portion(49) are arranged inside a pitch circle of the inner gear (27).
    • 以高流量精度和长使用寿命输送和填充流体,实现体积小,重量轻,成本低,节能。 泵装置(39)包括:第一转子驱动机构(41),被配置为将输入轴部分(50)的旋转传递到联接到单轴偏心的外螺纹型转子(23)的输出轴部分(49) 螺杆泵(21),输入轴部分(50)以其中心轴线旋转而保持在一定位置; 和单轴偏心螺杆泵(21),其中:输出轴部分(49)通过轴承在相对于输入轴部分(50)偏心定位的位置处可旋转地设置; 输入轴部(50)的旋转通过包括内齿轮(27)的第一动力传递机构(41a)传递到输出轴部(49),使输出轴部(49)进行偏心 旋转运动; 输入轴部(50)和输出轴部(49)配置在内齿轮(27)的节圆的内侧。
    • 9. 发明授权
    • Fluid compressing device having coaxial spiral members
    • 具有同轴螺旋构件的流体压缩装置
    • US5603614A
    • 1997-02-18
    • US530604
    • 1995-09-20
    • Hirotsugu SakataMasayuki Okuda
    • Hirotsugu SakataMasayuki Okuda
    • F04C18/107F01C1/04
    • F04C18/107
    • A fluid machine for transferring working fluid has fixed and rotating spiral members. The fixed spiral member has a stepped internal engagement surface that spirally rises upwardly and inwardly toward its center. The rotating spiral member revolves relative to the fixed spiral member and also has a stepped outer engagement surface that spirally rises upwardly inwardly toward its center. The stepped internal engagement surface of the fixed spiral member engages the stepped outer engagement surface of the rotating spiral member, which together form a compression mechanism. A working space is formed between the engagement surfaces of the spiral members. The capacity of the working space gradually decreases toward the center from the largest to the smallest circumference. A seal member is positioned between the stepped surfaces of the spiral members to seal the working space.
    • 用于传送工作流体的流体机械具有固定和旋转的螺旋构件。 固定螺旋构件具有阶梯状的内部接合表面,其朝向其中心向上和向内螺旋地升高。 旋转的螺旋构件相对于固定螺旋构件旋转,并且还具有阶梯状的外接合表面,螺旋地向内朝向其中心上升。 固定螺旋构件的阶梯状内部接合面与旋转螺旋构件的阶梯状外侧接合面接合,共同形成压缩机构。 在螺旋构件的接合表面之间形成工作空间。 工作空间的容量从最大到最小的圆周向中心逐渐减小。 密封构件位于螺旋构件的台阶表面之间,以密封工作空间。