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    • 4. 发明授权
    • Scroll pump with axially spaced pumping chambers in series
    • 具有轴向间隔的泵送室的涡旋泵串联
    • US4650405A
    • 1987-03-17
    • US799252
    • 1985-11-18
    • Shigeki IwanamiMitsuo InagakiHideaki Sasaya
    • Shigeki IwanamiMitsuo InagakiHideaki Sasaya
    • F01C1/02F01C17/06F04C18/02F04C18/04F04C23/00
    • F01C17/063F04C18/0223F04C2250/10F05B2250/50
    • A multiple-turn scroll pump comprises a pumping unit on each lateral side of a base plate of an oscillatable scroll piston driven by an eccentric drive. Each pumping unit includes a spirally shaped groove in a scroll housing and a spirally shaped displacement blade forming part of the scroll piston. The groove in one of the pumping units extends from the peripheral part of the scroll housing through at least one turn of a spiral and terminates at the intermediate part of the housing. The groove in the other pumping unit also begins close to the peripheral part of the scroll housing but extends through a number of spiral turns greater than that of the groove in the first pumping unit. Passages are provided in the scroll piston to communicate grooves in both units in such a manner that the fluid drawn into the first pumping unit is compressed mainly in the second pumping unit and is discharged solely therefrom. Mechanism for constraining the movement of the oscillating piston with respect to the scroll housing is conveniently housed within the confinement of the groove in the first pumping unit to reduce the overall radial dimension of the pump.
    • 多圈涡旋泵包括在由偏心驱动器驱动的可振动涡旋活塞的基板的每个侧面上的泵送单元。 每个泵送单元包括涡旋壳体中的螺旋形槽和形成涡旋活塞的一部分的螺旋形位移叶片。 一个泵送单元中的槽从涡旋壳体的周边部分延伸通过至少一圈的螺旋,并终止于壳体的中间部分。 另一个泵送单元中的凹槽也开始靠近涡旋壳体的周边部分,但是延伸通过比第一泵送单元中的凹槽大的螺旋匝。 通道设置在涡旋活塞中,以使得两个单元中的槽连通,使得被吸入第一泵送单元的流体主要在第二泵送单元中被压缩并且仅从其排出。 用于限制振荡活塞相对于涡旋壳体的运动的机构方便地容纳在第一泵送单元中的槽的限制内,以减小泵的整体径向尺寸。
    • 5. 发明授权
    • Sliding-vane rotary compressor with specific cylinder bore profile
    • 具有特定气缸孔型材的滑动叶片式旋转压缩机
    • US4616984A
    • 1986-10-14
    • US711839
    • 1985-03-14
    • Mitsuo InagakiKenji TakedaShigeki IwanamiHideaki SasayaEiichi Nagasaku
    • Mitsuo InagakiKenji TakedaShigeki IwanamiHideaki SasayaEiichi Nagasaku
    • F04C18/344F04C18/00
    • F04C18/3441F04C2250/301
    • A multiple-vane rotary compressor having a cylinder bore profile especially designed to reduce the fluctuation in the overall drive torque applied to the rotor shaft. The cylinder bore profile is configured and designed so that the individual drive torque applied to an individual vane during the compression and delivery strokes varies along a drive torque-vane angle curve which approximates an isosceles triangle having a lower side corresponding to a range of angle of 180.degree.. The cylinder bore profile includes, for a profile section extending through an angle of 180.degree., a first region (i) in which the amount of vane projection is held substantially constant at a maximum value (D), a second region (ii) in which the amount of vane projection decreases at a higher rate, and a third region (iii) in which the amount of vane projection decreases to zero at a lower rate, the imaginary transitional point (A.sub.3) between the second and third regions being located at an angular position of 90.degree..
    • 一种具有气缸孔型材的多叶片式旋转压缩机,其特别设计用于减小施加到转子轴上的整体驱动转矩的波动。 气缸孔轮廓被构造和设计成使得在压缩和传送冲程期间施加到单个叶片的单个驱动扭矩沿着驱动扭矩 - 叶片角度曲线变化,该驱动扭矩 - 叶片角度曲线近似等腰三角形,其具有对应于 180度。 对于用于延伸180度角的轮廓部分,缸孔轮廓包括第一区域(i),其中叶片投影量基本上保持恒定在最大值(D),第二区域(ii) 其中叶片投影量以较高的速率降低;以及第三区域(iii),其中叶片投影量以较低的速率降低到零,第二和第三区域之间的假想过渡点(A3)位于 角度位置为90°。