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    • 8. 发明授权
    • Refrigerating system using scroll type compressor
    • 制冷系统采用涡旋式压缩机
    • US4382370A
    • 1983-05-10
    • US313496
    • 1981-10-21
    • Kazutaka SuefujiTetsuya ArataYoshikatsu TomitaSumihisa KotaniNaoshi UchikawaAkira Murayama
    • Kazutaka SuefujiTetsuya ArataYoshikatsu TomitaSumihisa KotaniNaoshi UchikawaAkira Murayama
    • F04C18/02F04C23/00F04C28/06F04C28/16F25B1/04F25B13/00
    • F04C28/16F04C23/00F04C28/06F25B1/04F25B13/00
    • A refrigerating system including a refrigeration circuit and a scroll type compressor provided with two volume control mechanisms to allow the system to selectively perform full load operation and unloaded operation. The scroll type compressor includes two scroll members of known construction meshing with each other to define compression chambers and a suction chamber and is combined with the refrigeration circuit having an outdoor heat exchanger, an expansion valve, an indoor heat exchanger and a four-way change-over valve to provide a heat pump type refrigerating system. The volume control mechanisms each include a pair of bypass apertures in the fixed scroll member communicating with a valve chamber having a valve member slidably mounted therein and normally biased to an open position by a spring. The bypass apertures, of which one communicates with the suction chamber and the other communicates with one of the compression chambers, and the valve chamber constitute a bypass passageway. A pressure introducing pipe opens in the valve chamber. Upward movement of the valve member brings the two bypass apertures in communication with each other through the valve chamber to enable the system to perform a volume control operation. In another application, four volume control mechanisms are located symmetrically and divided into two blocks through a flow passage switching device to assign two mechanisms to one block. By this arrangement, the system is able to perform volume control operation in three stages, or able to operate selectively at maximum load, intermediate load and minimum load.
    • 一种制冷系统,包括制冷回路和涡旋式压缩机,该压缩机设置有两个容积控制机构,以允许系统选择性地执行满载操作和卸载操作。 涡旋式压缩机包括两个已知构造的涡旋构件,其彼此啮合以限定压缩室和吸入室,并与具有室外热交换器,膨胀阀,室内热交换器和四通变换的制冷回路组合 提供一种热泵式制冷系统。 音量控制机构各自包括在固定涡旋构件中的一对旁通孔,其与具有可滑动地安装在其中的阀构件的阀室连通,并且通过弹簧通常偏压到打开位置。 旁通孔与吸入室连通,另一个与一个压缩室连通,并且阀室构成旁路通路。 压力引入管在阀室中打开。 阀构件的向上运动使两个旁通孔通过阀室彼此连通,以使系统能够执行体积控制操作。 在另一个应用中,四个音量控制机构被对称地定位并且通过流路切换装置分成两个块,以将两个机构分配给一个块。 通过这种安排,该系统能够在三个阶段进行音量控制操作,或能够在最大负载,中间负载和最小负载下选择性地进行操作。
    • 10. 发明授权
    • Scroll compressor having changeable axis in eccentric drive
    • 涡旋压缩机在偏心驱动中具有可变轴
    • US5040958A
    • 1991-08-20
    • US335936
    • 1989-04-10
    • Tetsuya ArataMasao ShiibayashiKazutaka Suefuji
    • Tetsuya ArataMasao ShiibayashiKazutaka Suefuji
    • F04C18/02F04C23/00F04C29/00
    • F04C18/0215F04C29/0057F04C2240/807F04C23/008
    • A scroll compressor comprising a stationary scroll member having a stationary spiral wrap extending from a stationary end plate, an orbiting scroll member having an orbiting spiral wrap extending from an orbiting end plate with the wraps of the stationary scroll member and orbiting scroll member engaging with each other to form a fluid compressing chamber. A main shaft rotates on its own axis, with an eccentric drive shaft being provided having an axis spaced from the axis of the main shaft to orbit around the axis of main shaft and so that the eccentric drive shaft drives the orbiting scroll member to orbit around the axis of the stationary scroll member. The eccentric drive shaft is guided on the main shaft so that a distance between the axis of eccentric drive shaft and the axis of main shaft can be changed, and the main shaft drives the eccentric drive shaft to orbit around the axis of the main shaft. A balance is connected to the eccentric drive shaft, with a center of gravity of the balance weight being spaced from the axis of main shaft so that the centrifugal force of the balance weight draws the eccentric drive shaft toward the main shaft. An arrangement is provided for pushing the eccentric drive shaft away from the main shaft.
    • 一种涡旋式压缩机,包括具有从静止端板延伸的固定螺旋形涡卷的固定涡旋构件,具有从旋转端板延伸的绕动涡旋构件的绕动涡旋构件,其中固定涡旋构件和绕动涡旋构件与每个 另外形成流体压缩室。 主轴在其自身的轴线上旋转,设有偏心驱动轴,该偏心驱动轴具有与主轴的轴线间隔开的轴线,围绕主轴的轴线轨道运动,从而偏心驱动轴驱动绕动涡旋件绕轨道 固定涡旋件的轴线。 偏心驱动轴在主轴上引导,使得偏心驱动轴的轴线与主轴的轴线之间的距离可以改变,主轴驱动偏心驱动轴围绕主轴的轴线轨道运动。 平衡配置与偏心驱动轴连接,其中平衡重心的重心与主轴的轴线间隔开,使平衡重的离心力将偏心驱动轴朝向主轴。 提供了用于将偏心驱动轴推离主轴的装置。