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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°。
    • 6. 发明授权
    • Variable displacement swash-plate type compressor
    • 可变排量斜盘式压缩机
    • US4963074A
    • 1990-10-16
    • US293434
    • 1990-01-04
    • Masami SanukiFumihiro ItoigawaAkikazu KojimaMitsuo InagakiMasanori YasudaYoshiki KurokawaKazuhito MiyagawaSeiichiro SuzukiShigeki IwanamiShiro KawasakiNobuhiro Miura
    • Masami SanukiFumihiro ItoigawaAkikazu KojimaMitsuo InagakiMasanori YasudaYoshiki KurokawaKazuhito MiyagawaSeiichiro SuzukiShigeki IwanamiShiro KawasakiNobuhiro Miura
    • F04B27/18
    • F04B27/18
    • A swash plate type compressor has a rotary shaft, an inclined swash plate for rotation with the shaft, and a plurality of pistons connected to the swash plate. Each piston defines at both ends thereof a pair of working chambers. The piston reciprocates while being subjected to a swing motion concomitant with the rotation of the swash plate, to suck a fluid into the working chambers for compression. The swash plate is mounted on the shaft through a support unit which serves to selectively vary the inclination of the swash plate and shift the center of rotation of the swash plate along the shaft. The fluid is introduced from a suction passage through and around the swash plate to suction chambers formed adjacent the working chambers. A bypass passage is formed to directly communicate the suction passage with the suction chamber on one side of the shaft while bypassing the swash plate. When the inclination of the swash plate is decreased and the rotational center position thereof is shifted so that substantially no compression of fluid is completed in the working chambers on the one side of the shaft to decrease the displacement of the compressor, the fluid flows in the one side suction chamber through the bypass passage responsively to the flow of fluid toward another side working chambers to lubricate and cool sliding parts for the shaft.
    • 斜盘式压缩机具有旋转轴,用于与轴一起旋转的倾斜斜盘和连接到斜盘的多个活塞。 每个活塞在其两端限定一对工作室。 活塞在与旋转斜盘的旋转同时进行摆动运动的同时往复运动,将流体吸入工作室进行压缩。 旋转斜盘通过支撑单元安装在轴上,支撑单元用于选择性地改变斜盘的倾斜度并沿着轴移动斜盘的旋转中心。 流体从吸入通道通过旋转斜盘周围引入到邻近工作室形成的吸入室。 旁路通道形成为在旁路旋转斜盘时将抽吸通道与轴的一侧上的吸入室直接连通。 当斜盘的倾斜减小并且其旋转中心位置移动时,使得在轴的一侧的工作室中基本上没有完成流体的压缩以减小压缩机的位移,则流体在 一侧抽吸室通过旁路通道,响应于流体流向另一侧工作室,以润滑和冷却用于轴的滑动部件。
    • 10. 发明授权
    • Fluid machine
    • 流体机
    • US07344364B2
    • 2008-03-18
    • US11091421
    • 2005-03-29
    • Hiroshi OgawaTadashi HottaShigeki IwanamiKeiichi Uno
    • Hiroshi OgawaTadashi HottaShigeki IwanamiKeiichi Uno
    • F01C1/02F01C1/063
    • F01C1/0246F04C29/0085F04C2240/45F25B1/04
    • After the tooth portion 102b of the stationary scroll 102 and the tooth portion 103b of the revolving scroll 103 have contacted each other on one contact face 121 in the central portion of the scroll (shown in FIG. 5A), when this contact face 121 is shifted to two sliding contact portions 122, 123, the operating chamber V is formed between the two sliding contact portions 122, 123 (shown in FIG. 5B), and the refrigerant introducing port 105a is open to the region on the contact face 121. Accordingly, the operating chamber can be instantaneously changed over while the sealing property is ensured. Due to the above structure, the sealing property for suppressing leakage from the high pressure side at the time of the expansion mode can be compatible with the smoothing property for smoothing a change-over of the scroll operating chamber successively formed.
    • 在旋转涡旋件103的齿部102b和旋转涡旋件103的齿部103b在涡旋件的中心部分(图5A所示)中的一个接触面121上彼此接触之后,当该接点 面121移动到两个滑动接触部分122,123,操作室V形成在两个滑动接触部分122,123(图5B所示)之间,制冷剂引入口105a通向 接触面121。 因此,可以在确保密封性的同时瞬间切换操作室。 由于上述结构,用于抑制在膨胀模式时从高压侧泄漏的密封性能可以与用于平滑连续形成的涡旋操作室的转换的平滑性相兼容。