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    • 4. 发明公开
    • 연속 용량 조정식 스크롤 기계
    • 具有连续能力调节的滚动机
    • KR1020020028851A
    • 2002-04-17
    • KR1020010062567
    • 2001-10-11
    • 코우프랜드 코포레이션 엘엘씨
    • 팜헝엠.
    • F04C18/02
    • F25B49/022F04C14/18F04C18/0215F04C23/008F04C28/14F04C2270/01F04C2270/18F04C2270/19F04C2270/58F04C2270/90F25B1/04F25B1/047F25B2600/0262F25B2700/05
    • PURPOSE: A scroll machine with continuous capacity modulation is provided to control demand limit and to settle a dilemma between comforts and reliability of a system by using a continuous capacity modulation system. CONSTITUTION: An improved continuous capacity modulation system for scroll-type compressors(10) is disclosed in which a valve body(136) of a solenoid valve assembly is secured to the inner wall of the hermetic shell(12) and the actuating coil is mounted on the outer surface. The actuating coil includes a plunger/valve member cooperating with passages provided in the valve body to selectively actuate the capacity modulation arrangement utilizing compressed fluid. The construction offers the advantage that all fluid pressure lines(160,162) are located within the hermetic shell and thus protected from potential damage, the solenoid coil is easily changed/replaced to accommodate different available operating voltages and/or malfunction and the system can be easily tested prior to final welding of the outer shell. The actuating coil is controlled by pulse width modulation to reduce the load demand of the compressor during times when power shedding is required.
    • 目的:提供具有连续容量调节功能的滚动机器,以控制需求限制,并通过使用连续容量调制系统来解决系统的舒适性和可靠性之间的困境。 公开了一种用于涡旋式压缩机(10)的改进的连续容量调节系统,其中电磁阀组件的阀体(136)固定到密封壳体(12)的内壁并且致动线圈被安装 在外表面。 致动线圈包括与设置在阀体中的通道配合的柱塞/阀构件,以使用压缩流体选择性地致动容量调节装置。 该结构提供了所有流体压力管线(160,162)位于密封壳体内并因此防止潜在损坏的优点,螺线管线圈容易地改变/更换以适应不同的可用工作电压和/或故障,并且系统可以容易地 在外壳的最终焊接之前进行测试。 驱动线圈由脉冲宽度调制控制,以减少在需要掉电时的压缩机的负载需求。